tag:blogger.com,1999:blog-58578744260026201792024-03-17T09:05:46.930-07:00My Old ComputersMy vintage computers, electronics and other gizmos.Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.comBlogger6125tag:blogger.com,1999:blog-5857874426002620179.post-53633921696164704232020-11-04T16:35:00.050-08:002022-05-18T17:01:07.087-07:00Commodore Cassette Drives<span style="font-family: inherit;">Commodore made a number of different cassette tape data recorders or datasettes.</span><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">Below are all known models and </span>variants<span style="font-family: inherit;"> with photos from my personal collection.<br />Special Thanks to <a href="https://www.oldcomputr.com/" target="_blank">Giacomo Vernoni</a> for his book <a href="https://www.oldcomputr.com/commodore-tape-recorders/" target="_blank">Commodore Tape Recorders</a><br />A <a href="https://youtu.be/5kRmlG9cCMI" target="_blank">video version</a> of this is on my YouTube channel <a href="https://youtu.be/5kRmlG9cCMI" target="_blank">here</a>.</span></div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzNq_OvYCodYQSaSFmGkHJFQLTKTMcihBibtHeJTDyddCek-u-gv_jxpWkA887JNWmO1m5G455Lo2GPgtnPCQvsndXUAFz6OKHokBjkSjNqsYO1OvwaFZEL5MtisLTaTerobtyrlmrV52V/s3826/IMG_4237.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="My commodore tape drive collection" border="0" data-original-height="2152" data-original-width="3826" height="360" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjzNq_OvYCodYQSaSFmGkHJFQLTKTMcihBibtHeJTDyddCek-u-gv_jxpWkA887JNWmO1m5G455Lo2GPgtnPCQvsndXUAFz6OKHokBjkSjNqsYO1OvwaFZEL5MtisLTaTerobtyrlmrV52V/w640-h360/IMG_4237.JPG" title="My commodore tape drive collection" width="640" /></a></div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">The first cassette tape drive Commodore made was actually <a href="https://blog.hutchins1.net/2020/02/sanyom1540a.html" target="_blank">made by Sanyo</a>. It was a <a href="https://blog.hutchins1.net/2020/02/sanyom1540a.html" target="_blank"><b>Sanyo M1540A</b></a> audio tape recorder that Commodore used in <a href="https://blog.hutchins1.net/2020/03/the-commodore-pet-2001-wooden-prototype.html" target="_blank">the original PET prototype</a> and in later pre-production PET computers. Commodore purchased these tape recorders retail and continued to use them in the <a href="https://blog.hutchins1.net/2020/02/1977pet2001.html" target="_blank">first 100 PETs</a> shipped in the fall of 1977. <br />The Sanyo logo was covered by a Commodore sticker. The speaker and audio panel were removed, and the corner was cut off to prevent interference with the PET power supply.</span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPSUC_xYCgp-dJN5O21S8iK2EetPiWkU2_srKOresHrfnTEnGAt-PXqkJR2DqhPY2hdwab4Ll88MrKA6ZUPkqJrZ-pvw6LLX5tKAWAvbUYsa6NyYIO6MKRT5HrJP40B1SkCIcwLsU9pQLO/s3343/DSCN0843.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo M1540A cassette tape recorder (modified)" border="0" data-original-height="3343" data-original-width="2755" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhPSUC_xYCgp-dJN5O21S8iK2EetPiWkU2_srKOresHrfnTEnGAt-PXqkJR2DqhPY2hdwab4Ll88MrKA6ZUPkqJrZ-pvw6LLX5tKAWAvbUYsa6NyYIO6MKRT5HrJP40B1SkCIcwLsU9pQLO/w264-h320/DSCN0843.JPG" title="Sanyo M1540A cassette tape recorder (modified)" width="264" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwl5qBpuQ2jXUz51MBZzMWinhyje4xbMvvYJvNDg-UXRjf9W_Yu93rR74dNV8ruPqCy1xiJ2g_Sm02k5vR9kXYPHE5umOngJITpuEnWkaw-DUXxe8B40egUqt0w_VYAYljnwWtA4hg7qju/s3241/DSCN0846.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo M1540A (bottom)" border="0" data-original-height="3241" data-original-width="2203" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhwl5qBpuQ2jXUz51MBZzMWinhyje4xbMvvYJvNDg-UXRjf9W_Yu93rR74dNV8ruPqCy1xiJ2g_Sm02k5vR9kXYPHE5umOngJITpuEnWkaw-DUXxe8B40egUqt0w_VYAYljnwWtA4hg7qju/w218-h320/DSCN0846.JPG" title="Sanyo M1540A (bottom)" width="218" /></a><br /><br /></span><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyywVr6P8U4NQqwCDwkEm_dh_c4x8X6AnTF8pXPjkQsuN7-lr25t_h_M_cKGUAA7oGKpRfiH9pKnVoJipskiueWDmeYtDtC1y8iW0YyNgGNfslhSUeZXtS7oIclgZEkv9Y5CtJd4q1WYBX/s3344/DSCN0844.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo M1540A (front)" border="0" data-original-height="2700" data-original-width="3344" height="161" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiyywVr6P8U4NQqwCDwkEm_dh_c4x8X6AnTF8pXPjkQsuN7-lr25t_h_M_cKGUAA7oGKpRfiH9pKnVoJipskiueWDmeYtDtC1y8iW0YyNgGNfslhSUeZXtS7oIclgZEkv9Y5CtJd4q1WYBX/w200-h161/DSCN0844.JPG" title="Sanyo M1540A (front)" width="200" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgi9NAGxyaAoAcgbTxr1rdLO6Z7cnXHYiYftmP1nSx-PRBy90AS1pEjjNSlAS4yxrlICtWkFk5hdBkwy9GH5zfS1QBcXEwTUJiU9I3CY0eRiuOKIOzAsJfurFXUbugGFlVKiOLYST_Ft9dx/s4608/DSCN0845.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo M1540A (side)" border="0" data-original-height="2017" data-original-width="4608" height="140" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgi9NAGxyaAoAcgbTxr1rdLO6Z7cnXHYiYftmP1nSx-PRBy90AS1pEjjNSlAS4yxrlICtWkFk5hdBkwy9GH5zfS1QBcXEwTUJiU9I3CY0eRiuOKIOzAsJfurFXUbugGFlVKiOLYST_Ft9dx/w320-h140/DSCN0845.JPG" title="Sanyo M1540A (side)" width="320" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blog.hutchins1.net/2020/02/sanyom1540a.html" target="_blank">See this post for more details.</a></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR0s1aqV5VpFAzdq86JZVlwyq9u9HIWjFUzPlAUEcu91Am6FH6-pOmh-BXCg-H71kMAQbiNVmWQnHoZ7wIWO7K9ji_S44_vaYIyxPF2BeoRUHFKeJ6oCC6XENzSB25GG6Yl6DgoNeUNQZR/s2985/IMG_1953.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore PET 2001 (Oct 1977) with Sanyo drive" border="0" data-original-height="2932" data-original-width="2985" height="196" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiR0s1aqV5VpFAzdq86JZVlwyq9u9HIWjFUzPlAUEcu91Am6FH6-pOmh-BXCg-H71kMAQbiNVmWQnHoZ7wIWO7K9ji_S44_vaYIyxPF2BeoRUHFKeJ6oCC6XENzSB25GG6Yl6DgoNeUNQZR/w200-h196/IMG_1953.JPG" title="Commodore PET 2001 (Oct 1977) with Sanyo drive" width="200" /></a></div><br /></div></div></div><br /><span style="font-family: inherit;">When the PET computer started full scale production, Commodore used a </span><a href="https://blog.hutchins1.net/2020/03/commodore-integrated-cassette.html" style="font-family: inherit;" target="_blank">custom branded audio recorder made by an OEM</a><span style="font-family: inherit;"> in Taiwan. When removed from the computer, you can see the speaker grille, battery compartment and missing audio jack panel in front. This same tape drive was sold as an audio </span>recorder<span style="font-family: inherit;"> under several different brands.</span><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEV9mxFvTRiUizDAOFe9tZgqxDxBCw2UgosMyK99f9iKoA-CtHdsTEOlxWsNzcsX-pMb7E_OQEFmaIIiO7fwJQKFLXowe3dcXRZJrY9453bNaqKVKeHJsshenALiizJmrf444r4pkjBFnE/s3240/DSCN0840.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="OEM "White Keys" Tape Drive" border="0" data-original-height="3240" data-original-width="2704" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiEV9mxFvTRiUizDAOFe9tZgqxDxBCw2UgosMyK99f9iKoA-CtHdsTEOlxWsNzcsX-pMb7E_OQEFmaIIiO7fwJQKFLXowe3dcXRZJrY9453bNaqKVKeHJsshenALiizJmrf444r4pkjBFnE/w267-h320/DSCN0840.JPG" title="OEM "White Keys" Tape Drive" width="267" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgn477MGZmazelJB7DqZ7BYi5sGdFbn1yUDbH-DRe0LJLZ813_OnqJebfEGPpbZporXc4m4VgRKDOfxL_bbRAJKWXSqBgv8jwiixPBjZCDYtrRKxFXJ_O_fzoKofpv8bxBr4XHhWAdVuYWe/s3407/DSCN0842.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt=""White Keys" Drive (bottom)" border="0" data-original-height="3362" data-original-width="3407" height="316" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgn477MGZmazelJB7DqZ7BYi5sGdFbn1yUDbH-DRe0LJLZ813_OnqJebfEGPpbZporXc4m4VgRKDOfxL_bbRAJKWXSqBgv8jwiixPBjZCDYtrRKxFXJ_O_fzoKofpv8bxBr4XHhWAdVuYWe/w320-h316/DSCN0842.JPG" title=""White Keys" Drive (bottom)" width="320" /></a><br /><br /></span><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhe3XvxK9JDpPCQ5TTIBYiq0l5VIA0Bi8RQn5nGSI319Qs4SSS1he_LB575Vz4kh94zdO4jFeR40wn9KJ1alYDuWHkKR4EEgzZ7G-2MH7mJAlrC3JImBFbhE05kdtXIbrpifnQ1BibA9Qna/s2695/DSCN0841.JPG" style="margin-left: 1em; margin-right: 1em;"><span style="font-family: inherit;"><img alt=""White Keys" Drive (front)" border="0" data-original-height="1891" data-original-width="2695" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhe3XvxK9JDpPCQ5TTIBYiq0l5VIA0Bi8RQn5nGSI319Qs4SSS1he_LB575Vz4kh94zdO4jFeR40wn9KJ1alYDuWHkKR4EEgzZ7G-2MH7mJAlrC3JImBFbhE05kdtXIbrpifnQ1BibA9Qna/w320-h225/DSCN0841.JPG" title=""White Keys" Drive (front)" width="320" /></span></a></div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">Since it was never sold separately, it doesn't have a Commodore model number. It's usually referred to as the "White Keys" drive.<br />This drive was made with a black label and a silver label. </span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmiPh4gw_oCafsDYSpIxljz_C4WAtKyU5lisqSSe10k9TXFbfyjyp0Xc_1iqv1lYtrSzJjx3mdjnQfgLP26bU1oicliypP0crVwkdydIGgqkHCdsW3bND6ea-ffYtIVcHBZobrYB9Q6wtT/s545/silver%2526black.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Black or Silver metallic labels" border="0" data-original-height="239" data-original-width="545" height="175" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhmiPh4gw_oCafsDYSpIxljz_C4WAtKyU5lisqSSe10k9TXFbfyjyp0Xc_1iqv1lYtrSzJjx3mdjnQfgLP26bU1oicliypP0crVwkdydIGgqkHCdsW3bND6ea-ffYtIVcHBZobrYB9Q6wtT/w400-h175/silver%2526black.JPG" title="Black or Silver metallic labels" width="400" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blog.hutchins1.net/2020/03/commodore-integrated-cassette.html" target="_blank">See this post for more details.</a></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiv66pWvNE3vJWa27uOEcKaSmmOxixNtu_YdF-OO1zgwfypfNxi3gsiFPcbd46rAoQXvuABVQzANpBMeSNTWVHC1iR5BtDikRc1NBxn3FK-fJnKoqIIGQVUxeBBKGB1Y9tPabjNh6B8yDr/s2262/IMG_8847.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore PET 2001 (Dec 1977) with OEM drive" border="0" data-original-height="2262" data-original-width="2222" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjiv66pWvNE3vJWa27uOEcKaSmmOxixNtu_YdF-OO1zgwfypfNxi3gsiFPcbd46rAoQXvuABVQzANpBMeSNTWVHC1iR5BtDikRc1NBxn3FK-fJnKoqIIGQVUxeBBKGB1Y9tPabjNh6B8yDr/w196-h200/IMG_8847.jpg" title="Commodore PET 2001 (Dec 1977) with OEM drive" width="196" /></a></div><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">The OEM drive was sold as an external drive also. </span>Identical to the internal version but without the corner cut off. <span style="font-family: inherit;">These are particularly rare so it's likely that not many were sold since the PET already had a built in tape drive.</span></div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMuz1mVnDuK9-hZ7HxEO3GEePnUn0WVc3bCetI88R_iv3V-1JCbrbjvrs3YfPsGg9Qr57h4461aQLHn6-F8DYl3mVKgBbrSuxvve1mECoEw61lil00IQkoJwkgNn5FZ-BjtO0nyjI4jRqW6DA58fwids1sSbzpJZ1QC_TgRNqoUDGciiBMcLGXB3EUcg/s1608/E8mxt_oXEAMlqLq.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1608" data-original-width="1223" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhMuz1mVnDuK9-hZ7HxEO3GEePnUn0WVc3bCetI88R_iv3V-1JCbrbjvrs3YfPsGg9Qr57h4461aQLHn6-F8DYl3mVKgBbrSuxvve1mECoEw61lil00IQkoJwkgNn5FZ-BjtO0nyjI4jRqW6DA58fwids1sSbzpJZ1QC_TgRNqoUDGciiBMcLGXB3EUcg/s320/E8mxt_oXEAMlqLq.jpg" width="243" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaMlBlPRE3GPQGUHPdygH84nyT0NcLxzYp96_FoS4li2SFgehwBpwkEQ6Z3-rLdz7cNqKYq2eSiOlT-eYtJM7qhtgYUv8acTcvc5xxjToEJJz06NXxpdzpYjBoBe3ukm3n2bLRla9u_DLg7EY6tzpRRRC10NxTYgYoUnDJmyCplnl2zvm7rc8fZU6hww/s576/SideViewBackDrive.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="432" data-original-width="576" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiaMlBlPRE3GPQGUHPdygH84nyT0NcLxzYp96_FoS4li2SFgehwBpwkEQ6Z3-rLdz7cNqKYq2eSiOlT-eYtJM7qhtgYUv8acTcvc5xxjToEJJz06NXxpdzpYjBoBe3ukm3n2bLRla9u_DLg7EY6tzpRRRC10NxTYgYoUnDJmyCplnl2zvm7rc8fZU6hww/w200-h150/SideViewBackDrive.jpg" width="200" /></a></div><br /></div><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">The </span><b style="font-family: inherit;">C2N</b><span style="font-family: inherit;"> drive was essentially the same OEM audio cassette drive that was built in to the original PET 2001, just with a different plastic housing and the addition of an eject feature.</span></div><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">The internal version of the C2N has a short cable and the early internal units did not have the Commodore logo embossed near the top, since that area was covered by the PET chassis. These started shipping in PETs around the middle of 1978.<br /></span><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjhTU2YudmbADJxk3ABZ_lzHSBchwaHRe6dMGTMFz-VehB2WOfCjczc5t7hYnhsFzppMuz0W-Tk_rMIDB2zd_qmV_RrZILBx_Xprua0-uBftSSPTCczXmNUe3LdggwZ5eVO_M3jQazzNRybSru2CkY-Mh8M3Q_cBgUPdWKXj99QVGgt0CzyYeH29KyLMw=s3049" style="margin-left: 1em; margin-right: 1em;"></a><a href="https://blogger.googleusercontent.com/img/a/AVvXsEiWSdlWYkPaHH4hF6PypFSaTJUfGpm6kR1VDrL_FPMTOS5Ct9TPnMi0l_GNAu1RFSzfMiP8h22_Fppzx1ZEsAyAL_hBaZ9f0U-mLLV2bacVBADiCzfoLF55o4U9MpStRWCNNfoCtIxYoeD7Tx_0PUdmDwayZOZ26p3AcLPyKmfbrAMSEb6mYbu614L8ww=s648" style="margin-left: 1em; margin-right: 1em;"><img alt="PET with Internal C2N Cassette tape unit" border="0" data-original-height="648" data-original-width="648" height="320" src="https://blogger.googleusercontent.com/img/a/AVvXsEiWSdlWYkPaHH4hF6PypFSaTJUfGpm6kR1VDrL_FPMTOS5Ct9TPnMi0l_GNAu1RFSzfMiP8h22_Fppzx1ZEsAyAL_hBaZ9f0U-mLLV2bacVBADiCzfoLF55o4U9MpStRWCNNfoCtIxYoeD7Tx_0PUdmDwayZOZ26p3AcLPyKmfbrAMSEb6mYbu614L8ww=w320-h320" title="PET with Internal C2N Cassette tape unit" width="320" /></a><a href="https://blogger.googleusercontent.com/img/a/AVvXsEipKbB_R7Pm-Ewp6d_b_RcXrylMyYBcpoJ1uELFahNlK_SyOxXe4a09B2OkP5Mc8nWdbLVVuB0volaUBJ_-pIUHo-1NffyZDsFlXic8TnkP9bU3jXxXnBottoLGBIQCm1eu-gGSeH6kiJnhCWSvo2X86rq0FZm06dAdy6_7zo8nveR-A0qTHP7P52TSiw=s3429" style="margin-left: 1em; margin-right: 1em;"><img alt="Internal C2N Cassette tape unit" border="0" data-original-height="3429" data-original-width="2571" height="200" src="https://blogger.googleusercontent.com/img/a/AVvXsEipKbB_R7Pm-Ewp6d_b_RcXrylMyYBcpoJ1uELFahNlK_SyOxXe4a09B2OkP5Mc8nWdbLVVuB0volaUBJ_-pIUHo-1NffyZDsFlXic8TnkP9bU3jXxXnBottoLGBIQCm1eu-gGSeH6kiJnhCWSvo2X86rq0FZm06dAdy6_7zo8nveR-A0qTHP7P52TSiw=w150-h200" title="Internal C2N Cassette tape unit" width="150" /></a><br /><br /></div></div><div>This was also the first cassette drive that Commodore sold separately as an external unit.</div><div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgakfJwJJseEKpe6FwKlQvqUPieEwqmXWX5aYaVYM9BvtKXBG7OPZ9MTKftyS6lI5JNguSpYxuexC1Gfv7jEJaB1KMn8OnBAAR3YQjLrKmhDVubRNfAJcIIUHLlFot6rpVzF-0Adq0TIUTe/s3009/DSCN0832.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore C2N Cassette tape unit (external)" border="0" data-original-height="2830" data-original-width="3009" height="376" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgakfJwJJseEKpe6FwKlQvqUPieEwqmXWX5aYaVYM9BvtKXBG7OPZ9MTKftyS6lI5JNguSpYxuexC1Gfv7jEJaB1KMn8OnBAAR3YQjLrKmhDVubRNfAJcIIUHLlFot6rpVzF-0Adq0TIUTe/w400-h376/DSCN0832.JPG" title="Commodore C2N Cassette tape unit (external)" width="400" /><br /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQtIn0ROvqmacLP2cpwl3sA2dy4IcNGFQ9YDYEfgLG0fCJoZrkZ1RkUt4LWTlA95KLPJLp0v9UZLkVxRUXebhYsH_tNQ3fAymrqOf1ZwHt4L6FcbLLUA4ulUgIwkU_fNuToo723zacagpX/s3099/DSCN0834.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore C2N (bottom)" border="0" data-original-height="3099" data-original-width="2895" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQtIn0ROvqmacLP2cpwl3sA2dy4IcNGFQ9YDYEfgLG0fCJoZrkZ1RkUt4LWTlA95KLPJLp0v9UZLkVxRUXebhYsH_tNQ3fAymrqOf1ZwHt4L6FcbLLUA4ulUgIwkU_fNuToo723zacagpX/w187-h200/DSCN0834.JPG" title="Commodore C2N (bottom)" width="187" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLX4HYQEPjHD2vBvo-v96ILbqUTCVuiA4VVy268F-ROwG2FbStz8LilFKmBCfr6WZdl32pc_GHnvld0jeF2VUnCeHqFWB6MzYOztgulzW2B8VsIMfINn_pCS6QQjFppHlE01zF8MoBFzT4/s3873/DSCN0833.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore C2N (front)" border="0" data-original-height="2744" data-original-width="3873" height="142" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLX4HYQEPjHD2vBvo-v96ILbqUTCVuiA4VVy268F-ROwG2FbStz8LilFKmBCfr6WZdl32pc_GHnvld0jeF2VUnCeHqFWB6MzYOztgulzW2B8VsIMfINn_pCS6QQjFppHlE01zF8MoBFzT4/w200-h142/DSCN0833.JPG" title="Commodore C2N (front)" width="200" /></a><br /></span></div><span style="font-family: inherit;"><br /></span><div><span style="font-family: inherit;">The <b>C2N</b> was changed to white to match the color of the VIC-20 and a tape counter was added, but otherwise the white version is the same as the earlier black model.</span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVyo7iigibx9l81EbsdBBUZ-MGRz96GC5P_brVFyocgj9oEkT203ce6OzN_LzTcCpPqK-tir4uh_KZVhmMzgBIfKf2m3jye_5cqGG8FGif8Eltdr9L7C_s45MlpnTyE2z0vl_YYNsjjX5Q/s3194/DSCN0824.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore C2N Cassette tape unit (white)" border="0" data-original-height="2422" data-original-width="3194" height="304" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVyo7iigibx9l81EbsdBBUZ-MGRz96GC5P_brVFyocgj9oEkT203ce6OzN_LzTcCpPqK-tir4uh_KZVhmMzgBIfKf2m3jye_5cqGG8FGif8Eltdr9L7C_s45MlpnTyE2z0vl_YYNsjjX5Q/w400-h304/DSCN0824.JPG" title="Commodore C2N Cassette tape unit (white)" width="400" /><br /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNRqj2u0NWexTTkSSYujeMcga7eG9PXW1cQLHkpg0FMcpihJ27IB-HupEMzik3F3dn6UbTgMExV8YI_6HbO-eDWpXvIUVScgGxt1gi_9dFjckzahvWyt2VdOosNAKYamjvAqT5qcLisLKB/s3293/DSCN0835.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="White C2N (bottom)" border="0" data-original-height="2714" data-original-width="3293" height="165" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNRqj2u0NWexTTkSSYujeMcga7eG9PXW1cQLHkpg0FMcpihJ27IB-HupEMzik3F3dn6UbTgMExV8YI_6HbO-eDWpXvIUVScgGxt1gi_9dFjckzahvWyt2VdOosNAKYamjvAqT5qcLisLKB/w200-h165/DSCN0835.JPG" title="White C2N (bottom)" width="200" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgplqDnG48pPaHApC3goFciblyDu_xJ0cfAxylZ9dwSg9A3eVzUYKaYuj7LrJHtsI_2O82Erjoq16vPv2RGKVwMQtSZb9DC6_rnVhU1upNwZTauleR4PlyKUH7AfDXbHn-gmCX0qmNUVY9s/s3543/DSCN0825.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="White C2N (front)" border="0" data-original-height="2104" data-original-width="3543" height="119" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgplqDnG48pPaHApC3goFciblyDu_xJ0cfAxylZ9dwSg9A3eVzUYKaYuj7LrJHtsI_2O82Erjoq16vPv2RGKVwMQtSZb9DC6_rnVhU1upNwZTauleR4PlyKUH7AfDXbHn-gmCX0qmNUVY9s/w200-h119/DSCN0825.JPG" title="White C2N (front)" width="200" /></a><br /></span></div><div><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">The white version of the C2N drive can have a black or white tape counter and later versions have a different cable and connector shell.</span></div></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1qfbCmH2D12rcKLT2B0fzx4JWRe2bd4Y8AlTkEAfM-wOVPqiSvRti23RG_uNLhWauPb_DNsqPHIrKYHkUhD1syWgsMyZYo5UpfJEAYgQJ-p2gmqE1AYerAYALRsWqeMNz5ZQs4wnt75L2/s4032/IMG_2089.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="White C2N Variants" border="0" data-original-height="1902" data-original-width="4032" height="189" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg1qfbCmH2D12rcKLT2B0fzx4JWRe2bd4Y8AlTkEAfM-wOVPqiSvRti23RG_uNLhWauPb_DNsqPHIrKYHkUhD1syWgsMyZYo5UpfJEAYgQJ-p2gmqE1AYerAYALRsWqeMNz5ZQs4wnt75L2/w400-h189/IMG_2089.JPG" title="White C2N Variants" width="400" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjch_RBSRdPE-ceu-ZtsbXMPhsPb6Dw1V0sBqq8jtpnDbhiaVjDjKoRwgDUxM058v-2hNO_X_N5gb7Gn8LD72NvtPz20SqpdIOBLcO95J1TG1bs79NVfZ6Y8WUmWpkjV2nOI0DKPdgQeFfM/s3635/IMG_3729.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="White C2N Manuals" border="0" data-original-height="3635" data-original-width="2726" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjch_RBSRdPE-ceu-ZtsbXMPhsPb6Dw1V0sBqq8jtpnDbhiaVjDjKoRwgDUxM058v-2hNO_X_N5gb7Gn8LD72NvtPz20SqpdIOBLcO95J1TG1bs79NVfZ6Y8WUmWpkjV2nOI0DKPdgQeFfM/w150-h200/IMG_3729.JPG" title="White C2N Manuals" width="150" /></a></div></div><div class="separator" style="clear: both; text-align: center;">White C2N manuals</div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq28Sub2Vl1LGJi6Gz8m3dplnND8yzKX1Jac9uLeQ-jOE1yXT0MpQQsvMN2Wx5Q1pO-UJw3gwgUDHzDwEX2FMOM6EyxK82QT0-_LDJ0Ue2LHmVOFdEm-jK5oooWHZpEWPirS-egTzMVRlS/s4032/IMG_2128.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="White Keys and C2N transports compared" border="0" data-original-height="2609" data-original-width="4032" height="259" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjq28Sub2Vl1LGJi6Gz8m3dplnND8yzKX1Jac9uLeQ-jOE1yXT0MpQQsvMN2Wx5Q1pO-UJw3gwgUDHzDwEX2FMOM6EyxK82QT0-_LDJ0Ue2LHmVOFdEm-jK5oooWHZpEWPirS-egTzMVRlS/w400-h259/IMG_2128.JPG" title="White Keys and C2N transports compared" width="400" /></a></div><div class="separator" style="clear: both; text-align: center;">"White Keys", Black C2N and White C2N transport mechanisms</div><span></span><span style="font-family: inherit;"><br /></span></div><div><span style="font-family: inherit;">The <b>1530</b> drive replaced the C2N drive. Also called a C2N, or a VIC-1530 or C2N model 1530 or 1530 model C2N.</span></div><div><span style="font-family: inherit;">The 1530 has two main variants. The one made in Taiwan is distinguished by a black tape counter and the record light on the right, below the tape counter.</span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUJ5OjwP_uTz7ZNg9KrJvDhd_PhUd9R6IAAeAXJ5K5Yt8kcCoZMX6xsDRBY1xZ5qBjI31ULnhOwE_56cj_AAe8PPE_WEyn3tqBtPjZD3mRsKofhP4190vQMDRmC-lB1FEQwnhjfBD0fIr6/s3323/DSCN0812.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Taiwan made 1530 tape drive" border="0" data-original-height="1956" data-original-width="3323" height="189" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiUJ5OjwP_uTz7ZNg9KrJvDhd_PhUd9R6IAAeAXJ5K5Yt8kcCoZMX6xsDRBY1xZ5qBjI31ULnhOwE_56cj_AAe8PPE_WEyn3tqBtPjZD3mRsKofhP4190vQMDRmC-lB1FEQwnhjfBD0fIr6/w320-h189/DSCN0812.JPG" title="Taiwan made 1530 tape drive" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmlArtvZeuNXrpvxKDB0Lm73TK4U-MMb7dcA5uMShq7LPFWy8R_PnfgYGpioqzMl5d7FdFsEZodZSLROiZTVZyMY9dZ9iRf0nUXtvpniXQxZoCHCfQVoi8_RrmK9X0oTwx0av1SSRMPl01/s3664/DSCN0814.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Taiwan made 1530 (bottom)" border="0" data-original-height="2345" data-original-width="3664" height="128" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgmlArtvZeuNXrpvxKDB0Lm73TK4U-MMb7dcA5uMShq7LPFWy8R_PnfgYGpioqzMl5d7FdFsEZodZSLROiZTVZyMY9dZ9iRf0nUXtvpniXQxZoCHCfQVoi8_RrmK9X0oTwx0av1SSRMPl01/w200-h128/DSCN0814.JPG" title="Taiwan made 1530 (bottom)" width="200" /></a></span></div><span style="font-family: inherit;">The one made in Japan is distinguished by a smaller white tape counter, an orange label behind the cassette window and the record light is on the left, above the record key.</span><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg845k1rBcQVuUxcVFWRjb2d90rT1KOmUzuZNYIjXf5OCeqTa_PRqyAqYMaur3pnB_wxcO7rtpTmNq_L1Y84505hMcRSW7am0b0e7fWsgGsl3Q0_T9xB5JYY64qRw5PcSaHfHZvmidJ2yr1/s3127/IMG_3626.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Japan made 1530 tape drive" border="0" data-original-height="2345" data-original-width="3127" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg845k1rBcQVuUxcVFWRjb2d90rT1KOmUzuZNYIjXf5OCeqTa_PRqyAqYMaur3pnB_wxcO7rtpTmNq_L1Y84505hMcRSW7am0b0e7fWsgGsl3Q0_T9xB5JYY64qRw5PcSaHfHZvmidJ2yr1/w320-h240/IMG_3626.JPG" title="Japan made 1530 tape drive" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDRaQYKFwjC6UoJ7OwrktXtpV5_voSWrgJKNkxnqCJNdy5YHHvYl3OTGp5v6cFyxMbUh7ltoI8v4gGG09BWiR4g-QXCG2-dTA2D-l3VNInknUpJRD4h0-TfFXd27swLzU34ycm_sA0tAPZ/s2884/IMG_3628.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Japan made 1530 (bottom)" border="0" data-original-height="2163" data-original-width="2884" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgDRaQYKFwjC6UoJ7OwrktXtpV5_voSWrgJKNkxnqCJNdy5YHHvYl3OTGp5v6cFyxMbUh7ltoI8v4gGG09BWiR4g-QXCG2-dTA2D-l3VNInknUpJRD4h0-TfFXd27swLzU34ycm_sA0tAPZ/w200-h150/IMG_3628.JPG" title="Japan made 1530 (bottom)" width="200" /></a></span></div><div><span style="font-family: inherit;">Commodore later changed the top label style on both versions with a larger logo and vertical stripes.</span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHL9tUYYMZ-_bR5R_m2q-wAXHeZddQUeGZEBveBVthATCVKNnWoFKTdKuJyDPTePCjNd27eL6W374TIU3IWHERW6Nf9TWzOOPwuVfXlLQ1cy6ih49RqlICloehueMYKHk5yaIW5Ln7dW7_/s3536/IMG_3727.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Taiwanese and Japanese 1530 tape drives (Early and Late versions)" border="0" data-original-height="2652" data-original-width="3536" height="300" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiHL9tUYYMZ-_bR5R_m2q-wAXHeZddQUeGZEBveBVthATCVKNnWoFKTdKuJyDPTePCjNd27eL6W374TIU3IWHERW6Nf9TWzOOPwuVfXlLQ1cy6ih49RqlICloehueMYKHk5yaIW5Ln7dW7_/w400-h300/IMG_3727.JPG" title="Taiwanese and Japanese 1530 tape drives (Early and Late versions)" width="400" /></a></span></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXtCZNepdYl162jqccT_dQ9wy4ZoMey7LHeBv-DDaRhvv0E9KiTWNbJg-ymBikbxusK56NmzzJ3XDp5fAX_IFml2LQ5XlRU26WkvUdHrOLKxgkuRHnKarSlj9n3kbFRAb-zjEeGAk4GQVj/s3463/IMG_3728.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="1530 Manuals" border="0" data-original-height="3463" data-original-width="2597" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiXtCZNepdYl162jqccT_dQ9wy4ZoMey7LHeBv-DDaRhvv0E9KiTWNbJg-ymBikbxusK56NmzzJ3XDp5fAX_IFml2LQ5XlRU26WkvUdHrOLKxgkuRHnKarSlj9n3kbFRAb-zjEeGAk4GQVj/w150-h200/IMG_3728.JPG" title="1530 Manuals" width="150" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXWKfwthP-fK0QyKi-Ukcu2dVsoXF7ubDwgeI2O4FK_ZY9D1Gj8sFnJ1LOu7I0BeHnaAaVYO2SJb1aBNi_tCbH-ZdHvNhFVXXi55dmTlXJoHKo91yXFvMxn383e_r1JcgP5Ub1yIGKl9ml/s3435/IMG_3716.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="1530 Boxes" border="0" data-original-height="2576" data-original-width="3435" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgXWKfwthP-fK0QyKi-Ukcu2dVsoXF7ubDwgeI2O4FK_ZY9D1Gj8sFnJ1LOu7I0BeHnaAaVYO2SJb1aBNi_tCbH-ZdHvNhFVXXi55dmTlXJoHKo91yXFvMxn383e_r1JcgP5Ub1yIGKl9ml/w200-h150/IMG_3716.JPG" title="1530 Boxes" width="200" /></a></div><div class="separator" style="clear: both; text-align: center;">1530 Manuals and Boxes</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGG_cIL9Ct3k9Ko4xbMONl52-1Yq5kdA8LVMC9wbB58t7cAA2ldojuJa2qcsgC8VqS241ky7C3txcYBW3R1C0FVvDFB_EhH04DPff9_lDBWKImcYwSliWshAiM8nivpTJ3dkNxSdRv6wZ7/s3916/IMG_3797.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Taiwanese and Japanese transports compared" border="0" data-original-height="2202" data-original-width="3916" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgGG_cIL9Ct3k9Ko4xbMONl52-1Yq5kdA8LVMC9wbB58t7cAA2ldojuJa2qcsgC8VqS241ky7C3txcYBW3R1C0FVvDFB_EhH04DPff9_lDBWKImcYwSliWshAiM8nivpTJ3dkNxSdRv6wZ7/w400-h225/IMG_3797.JPG" title="Taiwanese and Japanese transports compared" width="400" /></a></div><div class="separator" style="clear: both; text-align: center;">Taiwanese and Japanese 1530 transport mechanisms</div><div class="separator" style="clear: both; text-align: left;"><span style="font-family: inherit;"><br /></span></div><div class="separator" style="clear: both; text-align: left;"><span style="font-family: inherit;">The </span><b style="font-family: inherit;">1531</b><span style="font-family: inherit;"> drive was made to match the </span><a href="https://www.c64-wiki.com/wiki/Commodore-264_series" style="font-family: inherit;" target="_blank">Commodore 264 series of computers</a><span style="font-family: inherit;">, like the plus/4, the C16 and C116. </span></div><div><span style="font-family: inherit;">The Taiwan made version and Japan made versions are the same as the 1530, only the color and the connector changed.</span></div><div class="separator" style="clear: both; text-align: center;"><span style="font-family: inherit; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQdjq-u8QJV25FCpVANolOibS2-PcI940U6u9nRpyIYTuTASpbgSqYRiOrZRJnJ0vg6FyDOScz_FyLWAU4PJSlycizxGMBlZjuJBuyKG5HCkBoiY-DV7IPkYcQ6GqMygaAMuB-lrOwt3fC/s4032/IMG_4232.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Taiwanese and Japanese 1531 tape drives" border="0" data-original-height="2268" data-original-width="4032" height="225" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQdjq-u8QJV25FCpVANolOibS2-PcI940U6u9nRpyIYTuTASpbgSqYRiOrZRJnJ0vg6FyDOScz_FyLWAU4PJSlycizxGMBlZjuJBuyKG5HCkBoiY-DV7IPkYcQ6GqMygaAMuB-lrOwt3fC/w400-h225/IMG_4232.JPG" title="Taiwanese and Japanese 1531 tape drives" width="400" /></a></span></div><span style="font-family: inherit;"><div>The 1531 shipped with an adapter for backwards compatibility with other Commodore computers.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXWvuHYHzREvk4mCO57ulxhtGDxQgGRBHvZd5Tf9NCrZmZkK8GMEZ1QTXFbF2sF0Gcpo2YqHY090IsagW3VKW8HkakUloQGVtHzS_Vo4cFSbJZyhYSrWsSCgnXVDkGrty2ib2rULxVMuUG/s4032/IMG_4277.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="3024" data-original-width="4032" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjXWvuHYHzREvk4mCO57ulxhtGDxQgGRBHvZd5Tf9NCrZmZkK8GMEZ1QTXFbF2sF0Gcpo2YqHY090IsagW3VKW8HkakUloQGVtHzS_Vo4cFSbJZyhYSrWsSCgnXVDkGrty2ib2rULxVMuUG/w200-h150/IMG_4277.JPG" width="200" /></a></div><div><br /></div></span><div><span style="font-family: inherit;">It seems that the 1531 was also made in white, at least by the Taiwan OEM. This Taiwanese 1531 is marked as a 1531, with the 1531 cable and connector. This variant is somewhat rare and it's not known why some were made in this color. </span></div><div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5qU-znL4dpvyUB_03VzM3ieBELY1Ll2uMeB1s8x760i_iP_rmKVXqd9DEVNM8_JLSnqS83TqiXolhSJfaV9wJS2IVsPtaaaC2wGIoRZ5nd-pxRKeRtdEor9KKg9EUblcKMRIJ_csHkFHV/s3963/IMG_4717.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="A white 1531 tape drive" border="0" data-original-height="2972" data-original-width="3963" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh5qU-znL4dpvyUB_03VzM3ieBELY1Ll2uMeB1s8x760i_iP_rmKVXqd9DEVNM8_JLSnqS83TqiXolhSJfaV9wJS2IVsPtaaaC2wGIoRZ5nd-pxRKeRtdEor9KKg9EUblcKMRIJ_csHkFHV/w320-h240/IMG_4717.JPG" title="A white 1531 tape drive" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwi7fmrhVkj5k3gXGjOnPKRzAGBzJ0dE66W9NM4nrYj6l-R7186jn1R8poxG6252i7GPlTceHst31TYCbW5GBruXBXuNS_PAtIFFqdpO5o_tBW_7eVI34tlhPJTUJ_GEZI9qqpXjSvZlCp/s3859/IMG_4719.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="White 1531 tape drive (bottom)" border="0" data-original-height="2894" data-original-width="3859" height="150" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwi7fmrhVkj5k3gXGjOnPKRzAGBzJ0dE66W9NM4nrYj6l-R7186jn1R8poxG6252i7GPlTceHst31TYCbW5GBruXBXuNS_PAtIFFqdpO5o_tBW_7eVI34tlhPJTUJ_GEZI9qqpXjSvZlCp/w200-h150/IMG_4719.JPG" title="White 1531 tape drive (bottom)" width="200" /></a></div><div><br /></div><h3 style="text-align: left;"><span style="font-family: inherit;">I also made <a href="https://youtu.be/5kRmlG9cCMI" target="_blank">a video</a> which shows the entire collection and details about each version.</span></h3></div><div><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="266" src="https://www.youtube.com/embed/5kRmlG9cCMI" width="320" youtube-src-id="5kRmlG9cCMI"></iframe></div></div><div><br /></div>Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.com1tag:blogger.com,1999:blog-5857874426002620179.post-64478827824353549392020-03-21T13:42:00.005-07:002022-05-18T21:38:48.393-07:00Commodore PET Integrated Cassette DriveCommodore made many different models of cassette drives, or datasettes as they are often called. The first one was never sold individually, it was built in to the PET 2001, so it never had it's own model number. It is often called the "white keys" cassette drive or the CT-1020 after the audio recorder it's based on. I simply refer to it as <a href="https://imgur.com/gallery/RZ0ImF6" target="_blank">the OEM drive</a>, even though all of them were produced by OEMs.<br />
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<a href="https://i.imgur.com/02tc3TD.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore OEM internal cassette tape drive" border="0" data-original-height="800" data-original-width="600" height="500" src="https://i.imgur.com/02tc3TD.jpg" title="Commodore OEM internal cassette tape drive" width="375" /></a></div>
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<a href="https://i.imgur.com/tH28Yty.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore OEM internal cassette tape drive" border="0" data-original-height="762" data-original-width="800" height="190" src="https://i.imgur.com/tH28Yty.jpg" title="Commodore OEM internal cassette tape drive" width="200" /></a><a href="https://i.imgur.com/2Wg1FBc.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore OEM internal cassette tape drive (front)" border="0" data-original-height="489" data-original-width="800" height="121" src="https://i.imgur.com/2Wg1FBc.jpg" title="Commodore OEM internal cassette tape drive (front)" width="200" /></a><a href="https://i.imgur.com/BKI64Zc.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore OEM internal cassette tape drive (bottom)" border="0" data-original-height="800" data-original-width="560" height="200" src="https://i.imgur.com/BKI64Zc.jpg" title="Commodore OEM internal cassette tape drive (bottom)" width="139" /></a></div>
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This drive first appeared in the PET 2001 in early December 1977. The labels on the door and above the keys are aluminum and were originally black with white lettering but quickly changed to black text on silver.<br />
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<a href="https://www.oldcomputr.com/commodore-tape-recorders/" target="_blank"><img alt="Black Label (photo by Giacomo M. Vernoni)" border="0" data-original-height="781" data-original-width="900" height="216" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgFXnZd-P3zsgaGMzZuf07fHFDfwOgxLNaJLF30tqS-wj24DBSl0myFGmBNn9TtCHbepm6GnhxTsrhbSmvnqQqp4kXoc7ExmVcf9sa0YCZm97D6-bnljnMsGr0OkBowt_QdRCqjEuuOSsbt/w250-h216/Black+Label.JPG" title="Black Label (photo by Giacomo M. Vernoni)" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4YNwgMzQzIhwPSZo6d7tDdgkXF_kJt4S-vJhulo9ynX-wl_Xx4YfNLXKaBAc2ywzhVPhz0CL70uMwztn1g-jP7Or5KDV5VrIcEQ0PsLb6V0zzB_ejQNzVmZhYZkVnyU-c51P5sid2JfyP/s1600/Silver+Label.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Silver Label" border="0" data-original-height="688" data-original-width="766" height="224" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg4YNwgMzQzIhwPSZo6d7tDdgkXF_kJt4S-vJhulo9ynX-wl_Xx4YfNLXKaBAc2ywzhVPhz0CL70uMwztn1g-jP7Or5KDV5VrIcEQ0PsLb6V0zzB_ejQNzVmZhYZkVnyU-c51P5sid2JfyP/w250-h224/Silver+Label.JPG" title="Silver Label" width="250" /></a></div>
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Like the <a href="https://blog.hutchins1.net/2020/02/sanyom1540a.html" target="_blank">retail Sanyo cassette drive</a> used in <a href="https://blog.hutchins1.net/2020/03/the-commodore-pet-2001-wooden-prototype.html" target="_blank">the prototype</a> and <a href="https://blog.hutchins1.net/2020/02/1977pet2001.html" target="_blank">pre-production units</a>, this one also appears to be a modified audio recorder. There is a speaker grille, a battery compartment and an opening in the front where the audio connectors and carry handle used to be.<br />
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It seems that the OEM used an audio recorder they were already producing and custom branded it for Commodore. It's unclear whether the OEM shipped these to Commodore as audio recorders which Commodore then modified, or if the OEM shipped them modified including the Commodore PCB and cable.<br />
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The <a href="https://imgur.com/gallery/RZ0ImF6" target="_blank">audio cassette recorder</a> version is identical except for the plastic coloring and the commodore PCB. The transport assembly was made by Musashino, the motor is from Canon.<br />
The audio version was sold under many different brands. Below is a Precor model C-1800 <b>R.</b><br />
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<a href="https://i.imgur.com/eA9dqKe.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commdore OEM cassette drive and OEM Audio recorder" border="0" data-original-height="541" data-original-width="800" height="211" src="https://i.imgur.com/eA9dqKe.jpg" title="Commdore OEM cassette drive and OEM Audio recorder" width="313" /></a><a href="https://i.imgur.com/BSvLGvF.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="OEM Audio cassette recorder (front)" border="0" data-original-height="445" data-original-width="800" height="138" src="https://i.imgur.com/BSvLGvF.jpg" title="OEM Audio cassette recorder (front)" width="250" /></a><a href="https://i.imgur.com/pNjip3X.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commdore OEM cassette drive and OEM Audio recorder (bottom)" border="0" data-original-height="600" data-original-width="800" height="188" src="https://i.imgur.com/pNjip3X.jpg" title="Commdore OEM cassette drive and OEM Audio recorder (bottom)" width="250" /></a></div>
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<a href="https://i.imgur.com/wyr61Z9.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore OEM cassette drive (internal)" border="0" data-original-height="800" data-original-width="660" height="250" src="https://i.imgur.com/wyr61Z9.jpg" title="Commodore OEM cassette drive (internal)" width="205" /></a><a href="https://i.imgur.com/iQiHctl.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="OEM Audio tape recorder (internal)" border="0" data-original-height="800" data-original-width="630" height="250" src="https://i.imgur.com/iQiHctl.jpg" title="OEM Audio tape recorder (internal)" width="195" /></a></div>
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<a href="https://i.imgur.com/ZGbTWob.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Commodore OEM cassette drive (internal)" border="0" data-original-height="800" data-original-width="653" height="250" src="https://i.imgur.com/ZGbTWob.jpg" title="Commodore OEM cassette drive (internal)" width="204" /></a><a href="https://i.imgur.com/DecoWVO.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="OEM Audio tape recorder (internal)" border="0" data-original-height="800" data-original-width="641" height="250" src="https://i.imgur.com/DecoWVO.jpg" title="OEM Audio tape recorder (internal)" width="200" /></a></div>
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<u><b><a href="https://www.youtube.com/watch?v=U92GSChQJKM" target="_blank">Video Comparison</a></b></u></div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/U92GSChQJKM/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/U92GSChQJKM?feature=player_embedded" width="320"></iframe></div>
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This integrated cassette drive was later replaced by the model C2N, which is internally identical and most likely made by the same Taiwanese OEM. Only the plastic housing was changed and an eject feature was added.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ4Ie78-JVzcfuTaQan19D4FKSy6d15VkIpsq-YBI8OvCoi-ypEaXwpVOyDtnGHHZg_1AC1KPhBhkD9Mh6RkzoErXCCnKk-tNfmOlnzCM3z6zZl7FqKEzhGQ5_LHrbFx1BLO7wCONK_21U/s1600/DSCN0832.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="C2N external drive" border="0" data-original-height="1505" data-original-width="1600" height="235" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgQ4Ie78-JVzcfuTaQan19D4FKSy6d15VkIpsq-YBI8OvCoi-ypEaXwpVOyDtnGHHZg_1AC1KPhBhkD9Mh6RkzoErXCCnKk-tNfmOlnzCM3z6zZl7FqKEzhGQ5_LHrbFx1BLO7wCONK_21U/w250-h235/DSCN0832.JPG" title="C2N external drive" width="250" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJMAqg6ZBs6YPF1h2PPBzZNbxgJL9AfVxlHKHgEjoR6iLmBl3KP8qYOniFK96smeEzCQCBftT8OBvzIe28SZmMxRDSbOmauYI3ak8mSHo_svdfgKKGwUwVHCs_qMtpTPdAT47Qq1TH6Z6p/s1600/IMG_2125.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="OEM drive, Black C2N and White C2N" border="0" data-original-height="1003" data-original-width="1600" height="156" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhJMAqg6ZBs6YPF1h2PPBzZNbxgJL9AfVxlHKHgEjoR6iLmBl3KP8qYOniFK96smeEzCQCBftT8OBvzIe28SZmMxRDSbOmauYI3ak8mSHo_svdfgKKGwUwVHCs_qMtpTPdAT47Qq1TH6Z6p/w250-h156/IMG_2125.JPG" title="OEM drive, Black C2N and White C2N" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhARWs0LWpqPNN2TfKiUR1ubnlX_sYagyCZGyMvhwkCLBHQMFKcYkXuAZ0njGP8mz3xLdjZnx4zZHmpzkqoT4hd34ryCSofADu_eDeo-X3Df-bo2QMtSSkdRV6L3gBwe2mc7TvY1d1XzvsV/s1600/IMG_2127.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="OEM drive, Black C2N and White C2N" border="0" data-original-height="1032" data-original-width="1600" height="160" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhARWs0LWpqPNN2TfKiUR1ubnlX_sYagyCZGyMvhwkCLBHQMFKcYkXuAZ0njGP8mz3xLdjZnx4zZHmpzkqoT4hd34ryCSofADu_eDeo-X3Df-bo2QMtSSkdRV6L3gBwe2mc7TvY1d1XzvsV/w250-h160/IMG_2127.JPG" title="OEM drive, Black C2N and White C2N" width="250" /></a></div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;">The external version of this tape drive is exceedingly rare. It was available to order from Commodore but it would seem that not many were sold. Identical to the internal drive except the corner was not cut off and the cable exited where the power connector would be.</div><div class="separator" style="clear: both; text-align: center;">Only three examples have been seen so far.</div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1EbWKkoZOaVKtwtc5o7rNyI0wlg5U2t7VDO5yEPzOmsbjNwnMCaKuTjZSsSuVnXDFjC_W8et6QV0rccUUKZfwozG0G3rk5kDFj50Z5e2JZnPUfeMd4-48fMg3QhA8KmNvrF0Kg-BKJvx0-wSM1NBpR7lRemgGJ-Lu37xbU98Laoznpv2-OUi6vm85Mg/s410/cropped.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="231" data-original-width="410" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj1EbWKkoZOaVKtwtc5o7rNyI0wlg5U2t7VDO5yEPzOmsbjNwnMCaKuTjZSsSuVnXDFjC_W8et6QV0rccUUKZfwozG0G3rk5kDFj50Z5e2JZnPUfeMd4-48fMg3QhA8KmNvrF0Kg-BKJvx0-wSM1NBpR7lRemgGJ-Lu37xbU98Laoznpv2-OUi6vm85Mg/s320/cropped.jpg" width="320" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9xBW0qnrG8mdD9ksZIcSm-i1Uc7iwGDJs6K58OZhIVnMX6nRGcMKiQ6iqMSoD3shlLX5S1V6OPLX20Qb656DZOsJXsHoZFXNQjJE0_V-MVODzUN_2MnlUgtoWf3cHBtpOBabbuecLC4mOCIj3RolP4l6e9KIa3TrFfvj19Jz2ZMc04bm8qP7_H-VXDQ/s1608/E8mxt_oXEAMlqLq.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="1608" data-original-width="1223" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9xBW0qnrG8mdD9ksZIcSm-i1Uc7iwGDJs6K58OZhIVnMX6nRGcMKiQ6iqMSoD3shlLX5S1V6OPLX20Qb656DZOsJXsHoZFXNQjJE0_V-MVODzUN_2MnlUgtoWf3cHBtpOBabbuecLC4mOCIj3RolP4l6e9KIa3TrFfvj19Jz2ZMc04bm8qP7_H-VXDQ/s320/E8mxt_oXEAMlqLq.jpg" width="243" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtAjE_BI4C8i6KM47XDGSJ_e4nBeO96_-7mkgqXEAsRGBg1-FNA0u-UZzF_4kQJYbxt67TCrQgFS6vBeNOI52LG4zZpizKX8qcuWL5x924Phv_ssSO_3pWKMRZuuLSI7s_WiA014EJxItbhyiZNfi6RySh5msSjZ3P8eGeef94Vk3akzHx3rPYSreEDA/s509/image001%20(1).png" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="471" data-original-width="509" height="296" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhtAjE_BI4C8i6KM47XDGSJ_e4nBeO96_-7mkgqXEAsRGBg1-FNA0u-UZzF_4kQJYbxt67TCrQgFS6vBeNOI52LG4zZpizKX8qcuWL5x924Phv_ssSO_3pWKMRZuuLSI7s_WiA014EJxItbhyiZNfi6RySh5msSjZ3P8eGeef94Vk3akzHx3rPYSreEDA/s320/image001%20(1).png" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfG8b_QDnx_y19sqDSq3m7xQETSr-7lfjVkFVPMpjrAKHViBbpUc1FshypJ_aq5YkXRPue6wiK6FGuy_CIADzW7UiRp0AbIqAxnm99EmoiZe_KvbMqohRE2Isva2fBqe73To8QL1uNNR4LiLlNzOJ1yLQQnz1xyAXY8BD8ydj8lTD2zHzV5gcF9Sq48w/s576/SideViewBackDrive.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="432" data-original-width="576" height="240" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhfG8b_QDnx_y19sqDSq3m7xQETSr-7lfjVkFVPMpjrAKHViBbpUc1FshypJ_aq5YkXRPue6wiK6FGuy_CIADzW7UiRp0AbIqAxnm99EmoiZe_KvbMqohRE2Isva2fBqe73To8QL1uNNR4LiLlNzOJ1yLQQnz1xyAXY8BD8ydj8lTD2zHzV5gcF9Sq48w/s320/SideViewBackDrive.jpg" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipEaNmIh144iQWuYC1-1nC3BXmePQS3m2-DpsAPhh0NHYcJVZDST_0xklu5p9Og5tx9b95_74wVE03ZnkoHAeOVK6hSeb7UztS1b4FUMlCJT7MVjL1mLUsaDzf0xnEa5BO__TWSsVUGW5jOMqNp9B_XYySG78MG7Zu3PWyP0kMISgBoSOE-Q3A5KdZNA/s596/BackOfDrive.jpg" imageanchor="1" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="596" data-original-width="447" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEipEaNmIh144iQWuYC1-1nC3BXmePQS3m2-DpsAPhh0NHYcJVZDST_0xklu5p9Og5tx9b95_74wVE03ZnkoHAeOVK6hSeb7UztS1b4FUMlCJT7MVjL1mLUsaDzf0xnEa5BO__TWSsVUGW5jOMqNp9B_XYySG78MG7Zu3PWyP0kMISgBoSOE-Q3A5KdZNA/s320/BackOfDrive.jpg" width="240" /></a></div><br /><div class="separator" style="clear: both; text-align: center;"><br /></div>
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Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.com0tag:blogger.com,1999:blog-5857874426002620179.post-13119682328924420182020-03-07T13:58:00.033-08:002023-03-22T10:18:42.302-07:00The Commodore PET 2001 wooden prototype<h2>
Recently John Feagans and Leonard Tramiel opened the wooden PET prototype for the first time in 40 years.</h2>
Photos taken Dec 2019 and Jan 2020 at the Computer History Museum, Mountain View, CA.<br />
Photos courtesy of John Feagans, Leonard Tramiel and the <a href="https://twitter.com/commodoreihs" target="_blank">Commodore International Historical Society</a>, used with permission.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYarBjkSRlsPM-83bLmICGP1Hawj6N42ZRlOJcZbolC7To1i54iX9aBAl3ogOuAkOSToojfAwPGQZsZUPTB2EZfB1B8jD8AqyasQQ9SecTVa7X48VOR5qb5YmCtpStFzL-rvqVKo973UgM/s1600/80025123_10219239932764348_910201078664921088_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © Leonard Tramiel, All rights reserved" border="0" data-original-height="1248" data-original-width="1249" height="510" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYarBjkSRlsPM-83bLmICGP1Hawj6N42ZRlOJcZbolC7To1i54iX9aBAl3ogOuAkOSToojfAwPGQZsZUPTB2EZfB1B8jD8AqyasQQ9SecTVa7X48VOR5qb5YmCtpStFzL-rvqVKo973UgM/w512-h510/80025123_10219239932764348_910201078664921088_o_edit.jpg" title="Photo © Leonard Tramiel, All rights reserved" width="512" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_LBWyfP-Z5uYYLbjqlETZO1aN-aPANdFr8IKszm2B8jcgTgkv6DbGhax9jiDXOqeC2UIBuyIc4i7oJGkK4tgICLTkbiTKd-qQPn9bPjibuOZChlnxkV_P_yy2ny2jUjfPdBdL-N1gL2R_/s1600/76776581_10219239932964353_4821266025741811712_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © Leonard Tramiel, All rights reserved" border="0" data-original-height="1273" data-original-width="1274" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg_LBWyfP-Z5uYYLbjqlETZO1aN-aPANdFr8IKszm2B8jcgTgkv6DbGhax9jiDXOqeC2UIBuyIc4i7oJGkK4tgICLTkbiTKd-qQPn9bPjibuOZChlnxkV_P_yy2ny2jUjfPdBdL-N1gL2R_/w250-h249/76776581_10219239932964353_4821266025741811712_o_edit.jpg" title="Photo © Leonard Tramiel, All rights reserved" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEW2WfRSKKktgN2uyL4BV9KLUpEoaT6KkdiSFP1Bx6dQAQsbazVa3CiyZ8ZOOS1glos_1ODPtuEcjgNbwvTW0a2H0sZmf91WPrasEV-X4mksBoI7ZkHPToQrJnw11vsXjM60oRJ0grv-OH/s1600/79436631_10219239933684371_227382986058760192_oedit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © Leonard Tramiel, All rights reserved" border="0" data-original-height="1295" data-original-width="1296" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgEW2WfRSKKktgN2uyL4BV9KLUpEoaT6KkdiSFP1Bx6dQAQsbazVa3CiyZ8ZOOS1glos_1ODPtuEcjgNbwvTW0a2H0sZmf91WPrasEV-X4mksBoI7ZkHPToQrJnw11vsXjM60oRJ0grv-OH/w250-h249/79436631_10219239933684371_227382986058760192_oedit.jpg" title="Photo © Leonard Tramiel, All rights reserved" width="250" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJGVqALQbTJexJ6gpjcdv-qobn1WpmM6kmGMfGH5WDFtNDyY_o1z189pBOW741mhTkO7Crrabyjj0TBjgP3CdQX9M6tk4Ik2RIYB3hKJxZdk1HidjQ1i2rCoculloiAEjAMC_0-tsMjG9Y/s1600/79671726_10219239932564343_1275121750903881728_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © Leonard Tramiel, All rights reserved" border="0" data-original-height="1295" data-original-width="1296" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjJGVqALQbTJexJ6gpjcdv-qobn1WpmM6kmGMfGH5WDFtNDyY_o1z189pBOW741mhTkO7Crrabyjj0TBjgP3CdQX9M6tk4Ik2RIYB3hKJxZdk1HidjQ1i2rCoculloiAEjAMC_0-tsMjG9Y/w250-h249/79671726_10219239932564343_1275121750903881728_o_edit.jpg" title="Photo © Leonard Tramiel, All rights reserved" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgoFzfenVuBybhl8_mXr0rB0y1QNUtHavlV6bA-D3uT6x2q8bEiG_OujXY4cb9aQoEevHApHLwO0xD_h3BVWfGJK5fLDWrPdGhTafkYqZINNysQt8yFMHD5cOK7mUT74IfLTLprrbv8E2uO/s1600/79375201_10219239933524367_8003828983827267584_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © Leonard Tramiel, All rights reserved" border="0" data-original-height="1208" data-original-width="1516" height="198" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgoFzfenVuBybhl8_mXr0rB0y1QNUtHavlV6bA-D3uT6x2q8bEiG_OujXY4cb9aQoEevHApHLwO0xD_h3BVWfGJK5fLDWrPdGhTafkYqZINNysQt8yFMHD5cOK7mUT74IfLTLprrbv8E2uO/w250-h198/79375201_10219239933524367_8003828983827267584_o_edit.jpg" title="Photo © Leonard Tramiel, All rights reserved" width="250" /></a></div>
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<span style="text-align: start;"><span style="font-size: x-small;">Photos © Leonard Tramiel, All rights reserved.</span></span></div>
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This one of a kind prototype hasn’t been seen in many years. These are (AFAIK) the first digital high quality photos of the prototype and the only photos of the interior ever. These photos show details that have never been seen before.<br />
The prototype was built in 1976 and shown for the first time at the Jan 1977 CES in Chicago. The case and monitor shell are made of wood. Originally painted “harvest yellow” it was re-painted and re-decorated several times in 1977 before finally settling on this color scheme.<br />
The prototype had no IEEE-488 port and reduced ROM space so the kernel is different from the production version. The BASIC was Microsoft basic, not yet modified to become Commodore BASIC.<br />
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<table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLf1776PSfpWmpRjwsRwEIDyq-FqoJlPfHsTJouHJ3AYi4AWclVIFrpeMYuuxza-haUGpsPE6x8-o8gcYopTEKjG8EnuWvWiKUMX-CojyY5OG3F4a6igCdulOD_r6Y-oY7tiiK6cth0GUU/s1600/82337815_10159365975004358_7071397128668446720_o_edit.jpg" style="margin-left: auto; margin-right: auto;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="721" data-original-width="977" height="369" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjLf1776PSfpWmpRjwsRwEIDyq-FqoJlPfHsTJouHJ3AYi4AWclVIFrpeMYuuxza-haUGpsPE6x8-o8gcYopTEKjG8EnuWvWiKUMX-CojyY5OG3F4a6igCdulOD_r6Y-oY7tiiK6cth0GUU/w500-h369/82337815_10159365975004358_7071397128668446720_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="500" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;">John Feagans, Leonard Tramiel and the PET Prototype</td></tr>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLRdVTEgUUGDlxIKO3HwbT95abLK0crS9PypW3hDaV9JfwQziq7oh8hUN2Iuhp1Hcd757tALcFYOQSGL6L_TzUG69UPO85bQasKZBppkPQNBbsTW3MNwbdubNuC2jIPJATYbCuWglJayB3/s1600/82755299_10159366035074358_7362497878708715520_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="654" data-original-width="654" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgLRdVTEgUUGDlxIKO3HwbT95abLK0crS9PypW3hDaV9JfwQziq7oh8hUN2Iuhp1Hcd757tALcFYOQSGL6L_TzUG69UPO85bQasKZBppkPQNBbsTW3MNwbdubNuC2jIPJATYbCuWglJayB3/w250-h250/82755299_10159366035074358_7362497878708715520_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNh_6rlUsUgtJsEOxEd2abBwru2gY0ny0pZGKg6qHAlSY_WHWwZh4Z4QwEGENlCMab-YMqiT0kC3okl8crw8_GVPRLceOQaovCZCSH96s2P3A1s3eZJcDGNc0svNnp6F5wOxkO5Fp66P_u/s1600/82542844_10159366034284358_5511836250849411072_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="623" data-original-width="624" height="249" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjNh_6rlUsUgtJsEOxEd2abBwru2gY0ny0pZGKg6qHAlSY_WHWwZh4Z4QwEGENlCMab-YMqiT0kC3okl8crw8_GVPRLceOQaovCZCSH96s2P3A1s3eZJcDGNc0svNnp6F5wOxkO5Fp66P_u/w250-h249/82542844_10159366034284358_5511836250849411072_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuph4fncwUYyRo3phBs7hCbLF_uHXDfxLUrkpyHGXczVPMQjYmkR7lJjwfL-9ifIaWzjxM7v9BuYrJ7-MdSbE2WJzTGigiI2see8KOl4zc0UDFTcGPnmHBRsEdWooZEsXA9s6Wm13h6pDQ/s1600/82930900_10159366035249358_6870702931948077056_o.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="877" data-original-width="585" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuph4fncwUYyRo3phBs7hCbLF_uHXDfxLUrkpyHGXczVPMQjYmkR7lJjwfL-9ifIaWzjxM7v9BuYrJ7-MdSbE2WJzTGigiI2see8KOl4zc0UDFTcGPnmHBRsEdWooZEsXA9s6Wm13h6pDQ/w133-h200/82930900_10159366035249358_6870702931948077056_o.jpg" title="Photo © John Feagans, All rights reserved." width="133" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi59xbTM3EPSrgJGi_l3DswAqQEpcxO5dxTZXYnm1B059NUjNJbzuSKhKF9GEKZyDTI-9rgQI3sr0wnzbosy_Xo3iYG1u6kR_W5bU7lAwhk6FOjxMlejh4vI2CGGbZuy-MTVTP7APGNiS8C/s1600/83264121_10159366035454358_591854997424046080_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="667" data-original-width="667" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi59xbTM3EPSrgJGi_l3DswAqQEpcxO5dxTZXYnm1B059NUjNJbzuSKhKF9GEKZyDTI-9rgQI3sr0wnzbosy_Xo3iYG1u6kR_W5bU7lAwhk6FOjxMlejh4vI2CGGbZuy-MTVTP7APGNiS8C/w250-h250/83264121_10159366035454358_591854997424046080_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisZur-b9QtU7sZlJH1ekRMdiQPQ_yFpdwxDMbnmFJwXKoODMwNLBoqew9IVu9DSK9EOCVqdgGI-3SuGdhpH3OTyR8nT7KcYelXMZ4ako4ewPPXJrPKvXy04l494S1MD4c5D1SSR6rYxbnV/s1600/83660582_10159366037114358_5223695356046344192_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="849" data-original-width="565" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEisZur-b9QtU7sZlJH1ekRMdiQPQ_yFpdwxDMbnmFJwXKoODMwNLBoqew9IVu9DSK9EOCVqdgGI-3SuGdhpH3OTyR8nT7KcYelXMZ4ako4ewPPXJrPKvXy04l494S1MD4c5D1SSR6rYxbnV/w132-h200/83660582_10159366037114358_5223695356046344192_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="132" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKN0qscfM2Au7AlaKWjI9wM1GxAKfZYWlYmvKgA4eL_lyEuVo6jK7UI3oC0Twn_5h437yvIkYHEpzx24N0r7YGYKD2JWiggunF6FnW7Dm8fmQmt2P_rx2W1GbsSsyJbryf0pZa9g4baN3X/s1600/82429315_10159366036919358_3161125960267333632_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="618" data-original-width="927" height="166" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgKN0qscfM2Au7AlaKWjI9wM1GxAKfZYWlYmvKgA4eL_lyEuVo6jK7UI3oC0Twn_5h437yvIkYHEpzx24N0r7YGYKD2JWiggunF6FnW7Dm8fmQmt2P_rx2W1GbsSsyJbryf0pZa9g4baN3X/w250-h166/82429315_10159366036919358_3161125960267333632_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYFbsEC3Rj3dyU51nSrI0dVJvfBsP_k2dgqqIAJmaxsz3b9JUdADUqBHcrZOQYGlBhc17rgi_tgjBgRrzGkW3Pwv7xoanY2PGoTZAPsdYSj5x3evqg-3N2VjarTY9fhkoFRo8BSa6yaVJg/s1600/82578384_10159366036784358_8313753871151267840_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="648" data-original-width="973" height="166" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhYFbsEC3Rj3dyU51nSrI0dVJvfBsP_k2dgqqIAJmaxsz3b9JUdADUqBHcrZOQYGlBhc17rgi_tgjBgRrzGkW3Pwv7xoanY2PGoTZAPsdYSj5x3evqg-3N2VjarTY9fhkoFRo8BSa6yaVJg/w250-h166/82578384_10159366036784358_8313753871151267840_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVBg4jsbMwtUCvnCaojxWIB4p_C3NcpU00y9nKowrAjd7KW6dBOkqfuUQhsb5l_YPP6JqVsKcPwb9gLxCVkys3NaszzPK-LY9nvAfGeRqhaDT-1LXXJgYRxw5zGBqCyVlk8ljRWF71nx9r/s1600/83206329_10159366036084358_1594506161963401216_o_edit.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="667" data-original-width="819" height="406" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgVBg4jsbMwtUCvnCaojxWIB4p_C3NcpU00y9nKowrAjd7KW6dBOkqfuUQhsb5l_YPP6JqVsKcPwb9gLxCVkys3NaszzPK-LY9nvAfGeRqhaDT-1LXXJgYRxw5zGBqCyVlk8ljRWF71nx9r/w500-h406/83206329_10159366036084358_1594506161963401216_o_edit.jpg" title="Photo © John Feagans, All rights reserved." width="500" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuuqOiCaBfGiPNH-EX1x8IV5I4L4qdHoIysLW5d47KV4uYiy4qyzRPznd1yfbFEHwGDAJfxNqVpoSm-PhOYHfKAox3QuITEXWvWOdS1ntORSsxaxxdDLycIdIR5GcC2LUF6z7azL_jJguV/s1600/82548755_10159366036579358_2619381235343949824_o.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="667" data-original-width="1000" height="166" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjuuqOiCaBfGiPNH-EX1x8IV5I4L4qdHoIysLW5d47KV4uYiy4qyzRPznd1yfbFEHwGDAJfxNqVpoSm-PhOYHfKAox3QuITEXWvWOdS1ntORSsxaxxdDLycIdIR5GcC2LUF6z7azL_jJguV/w250-h166/82548755_10159366036579358_2619381235343949824_o.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaPfIqq01r7FBOIWPVO0ZxVXOIvFdlJq-kgh5v_TebVGKBQLTcyayiIifgZYXrjCL1Yc2BchUeCD0lTETgNksejR-hIj-3-6FBVHrRsit-qc1Cem57X-0UPW5y6rmOyW_1nb_Q2XZ79Un8/s1600/82751489_10159366037259358_1685432359081476096_o.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="667" data-original-width="1000" height="166" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjaPfIqq01r7FBOIWPVO0ZxVXOIvFdlJq-kgh5v_TebVGKBQLTcyayiIifgZYXrjCL1Yc2BchUeCD0lTETgNksejR-hIj-3-6FBVHrRsit-qc1Cem57X-0UPW5y6rmOyW_1nb_Q2XZ79Un8/w250-h166/82751489_10159366037259358_1685432359081476096_o.jpg" title="Photo © John Feagans, All rights reserved." width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEib3kYmmjUm9pt6CQvWkL8jzpg3oZm28o13DUZEAlNV8dCijBgyHubpLCoJ8sfdOmuR0HLJzkuIWQ6afYlnWr9GJP_3_OjrpLsS8DDBtZy3BW-n77pdgflymr2OxZc3plLfGP0Fj62OmVY4/s1600/82785105_10159366036109358_7818312797804036096_o.jpg" style="margin-left: 1em; margin-right: 1em;"><img alt="Photo © John Feagans, All rights reserved." border="0" data-original-height="667" data-original-width="1000" height="212" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEib3kYmmjUm9pt6CQvWkL8jzpg3oZm28o13DUZEAlNV8dCijBgyHubpLCoJ8sfdOmuR0HLJzkuIWQ6afYlnWr9GJP_3_OjrpLsS8DDBtZy3BW-n77pdgflymr2OxZc3plLfGP0Fj62OmVY4/w320-h212/82785105_10159366036109358_7818312797804036096_o.jpg" title="Photo © John Feagans, All rights reserved." width="320" /></a></div>
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<span style="text-align: start;"><span style="font-size: x-small;">Photos © John Feagans, All rights reserved.</span></span></div>
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The prototype was at <a href="https://en.wikipedia.org/wiki/The_Computer_Museum,_Boston" target="_blank">The Computer Museum in Boston</a> until that museum closed in 2000 and The <a href="https://computerhistory.org/" target="_blank">Computer History Museum</a> in Mountain View, CA acquired much of the Boston museum's collection. It was on display <a href="http://infolab.stanford.edu/pub/voy/museum/pictures/display/4-1.htm" target="_blank">at Stanford university</a> for many years until it was recently returned to the CHM archives. This is catalog number <a href="https://www.computerhistory.org/collections/catalog/X1279.98" target="_blank">X1279.98 at the Computer History Museum</a>. It is not currently on public display.<div><br /></div><div style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOX5pkd8IYL_-vWUwXSyp3qhUqr-N0yJGibbYPFhKVLjg1ZyCaF0MCKZCEBLwO529HVXEg0uyr-uz6-UvbHiHABKhma4qGnI-HJHFfbeh3N1Onn8cnzcOFrtg_EuNuZPj_GLxQz3KH8h09Obcj4aJ4q_Pykch_6O2iGWXGAoD7u3aKjD5KlInzuYIesg/s6600/pet_gant-all.jpg"><img alt="PET development gantt chart" border="0" data-original-height="4855" data-original-width="6600" height="470" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhOX5pkd8IYL_-vWUwXSyp3qhUqr-N0yJGibbYPFhKVLjg1ZyCaF0MCKZCEBLwO529HVXEg0uyr-uz6-UvbHiHABKhma4qGnI-HJHFfbeh3N1Onn8cnzcOFrtg_EuNuZPj_GLxQz3KH8h09Obcj4aJ4q_Pykch_6O2iGWXGAoD7u3aKjD5KlInzuYIesg/w640-h470/pet_gant-all.jpg" title="PET development gantt chart" width="640" /></a></div><div style="text-align: center;"><span style="font-weight: normal;"><a href="https://archive.org/details/commodore-pet-gantt-chart" target="_blank">Gantt chart in pencil on graph paper from 1967 when Commodore was developing the PET</a>.<br /></span><span style="font-weight: normal;">Showing project tasks, milestones and assigned engineers. Courtesy of Andy Finkle.</span></div><div><br /></div><div style="text-align: center;">Link to a<a href="https://archive.org/details/john-feagans-journal" target="_blank"> journal written by John Feagans when he was hired by Commodore to work on the PET</a>.</div><div><br />
<br /><a href="https://youtu.be/_9smZU0iZj8?t=30" target="_blank"><b>Video from VCF-West 2022</b></a>. Dr. Leonard Tramiel talks about the search for the prototype.<br /><div><div class="separator" style="clear: both; text-align: center;"><iframe allowfullscreen="" class="BLOG_video_class" height="266" src="https://www.youtube.com/embed/_9smZU0iZj8" width="320" youtube-src-id="_9smZU0iZj8"></iframe></div><br /><div style="text-align: center;"><br /></div><br />
Below are older photos of the prototype over the years, courtesy of the <a href="https://twitter.com/commodoreihs" target="_blank">Commodore International Historical Society</a> and <a href="https://www.commodore.ca/" target="_blank">Commodore.ca</a><span id="goog_1117837209"></span><a href="https://www.blogger.com/"></a><span id="goog_1117837210"></span>. These are all the same machine.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgfTv9AH6DCDdeJCYZne9UonAKjK9-NkVp6KkJEG7coo7TAkXfRUTmG19V0JRMWYvKacVYtqU5r7adqLiL-yOEZOREZ37nwdjcVuJG5rt5fran65wqhza7K-HPBkia2XCfTJoxcZXmoecb/s1600/tumblr_44a3c9a8ccc097963e8811d068aafce7_3f013f42_400.jpg"><img border="0" data-original-height="370" data-original-width="361" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjgfTv9AH6DCDdeJCYZne9UonAKjK9-NkVp6KkJEG7coo7TAkXfRUTmG19V0JRMWYvKacVYtqU5r7adqLiL-yOEZOREZ37nwdjcVuJG5rt5fran65wqhza7K-HPBkia2XCfTJoxcZXmoecb/w390-h400/tumblr_44a3c9a8ccc097963e8811d068aafce7_3f013f42_400.jpg" width="390" /></a></div>
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From <a href="https://www.commodore.ca/commodore-history/inside-the-commodore-pet-electronics-today/" target="_blank">Electronics Today, Feb 1978</a>.</div>
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Photo from a Commodore press release, date unk.<br />Probably from the Jan '77 CES Show</div><div class="separator" style="clear: both; text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9WDKQK2nMIm366eEtpjzu1njkp9zE_W47BGDUJY7oO6DWXfMimuRcBGUfy1gR_5EEOBNMKd-l9bpYn51KlsEfRoXRXR0uI_JyYtYuOqqXGp5M_Ubx6pQqvu2_BsijQN7CUcAvBZ1DgPV2/s1600/tumblr_0ff0c395fa4e4f96a5ffd5ffe429b4f4_22e1057c_400.jpg"><img border="0" data-original-height="236" data-original-width="335" height="281" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh9WDKQK2nMIm366eEtpjzu1njkp9zE_W47BGDUJY7oO6DWXfMimuRcBGUfy1gR_5EEOBNMKd-l9bpYn51KlsEfRoXRXR0uI_JyYtYuOqqXGp5M_Ubx6pQqvu2_BsijQN7CUcAvBZ1DgPV2/w400-h281/tumblr_0ff0c395fa4e4f96a5ffd5ffe429b4f4_22e1057c_400.jpg" width="400" /></a></div><div>At Gametronics, Jan 1977.</div></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCERDTZtU05NwDBe7ZBZOo05nV2-M7qw7tlWPHs95jijfPwHsXZ0BALwSTwoit3Dst5-OSRhYeYkNKEs-hedLmIuo1D1WsLsE7-XiLLwMUYZYbUUnPYnpo-ASl4Uh-FuCnZjrYlSxdikQQ/s1600/tumblr_900763c96cb4c03f3fba49a7c8cb1043_64b41c2c_400.jpg"><img border="0" data-original-height="400" data-original-width="299" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjCERDTZtU05NwDBe7ZBZOo05nV2-M7qw7tlWPHs95jijfPwHsXZ0BALwSTwoit3Dst5-OSRhYeYkNKEs-hedLmIuo1D1WsLsE7-XiLLwMUYZYbUUnPYnpo-ASl4Uh-FuCnZjrYlSxdikQQ/w299-h400/tumblr_900763c96cb4c03f3fba49a7c8cb1043_64b41c2c_400.jpg" width="299" /></a></div>
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On the cover of the <a href="https://www.commodore.ca/popular-science-reviews-the-commodore-pet-2001-in-1977/" target="_blank">October 1977 Popular Science</a></div>
<div class="separator" style="clear: both; text-align: center;">The badge and keyboard are different.<br />The wood grain was contact paper.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcOApGmIrsVjg9L39JoPX2aRxhnjU4G2DxNXQjkwkO4XntUgyOVoVvilXUdV0Vi8WVZ4G9XyfmyoAhzARTgemOBWheQMHFmVMrVRKV_e3FNOOzQVSTl5mDV1W5G89rhabOmmb4au3a3AZ4/s1600/tumblr_58ae562cc141205b2dde4cc192a821cc_f940675a_250.jpg"><img border="0" data-original-height="340" data-original-width="245" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcOApGmIrsVjg9L39JoPX2aRxhnjU4G2DxNXQjkwkO4XntUgyOVoVvilXUdV0Vi8WVZ4G9XyfmyoAhzARTgemOBWheQMHFmVMrVRKV_e3FNOOzQVSTl5mDV1W5G89rhabOmmb4au3a3AZ4/w288-h400/tumblr_58ae562cc141205b2dde4cc192a821cc_f940675a_250.jpg" width="288" /></a></div><div style="text-align: center;">At Commodore’s 25th anniversary event, Dec 1983.</div><div style="text-align: center;">Re-painted white with a new badge and the space-bar moved.</div><div style="text-align: center;"><br /></div><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/a/AVvXsEjYhDDJj7W9wcMYzJzSonJWpXyMqEdxWJG_9-vGBK12ZPndcJCmZVz6BFTlybNZWFEKopBt48aDQfcTmE_Q62HuHMXymBH5GZRUdxZZeM_RHs8NPCfbIm-RPIvYu9o672Fh70qUAQqFTFpz2FF5wXvWyfsTw1p15bsltKWCEbudxiq6TdgYVzAYEGcR-Q=s640" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="640" data-original-width="480" height="320" src="https://blogger.googleusercontent.com/img/a/AVvXsEjYhDDJj7W9wcMYzJzSonJWpXyMqEdxWJG_9-vGBK12ZPndcJCmZVz6BFTlybNZWFEKopBt48aDQfcTmE_Q62HuHMXymBH5GZRUdxZZeM_RHs8NPCfbIm-RPIvYu9o672Fh70qUAQqFTFpz2FF5wXvWyfsTw1p15bsltKWCEbudxiq6TdgYVzAYEGcR-Q=s320" width="240" /></a></div><div style="text-align: center;">On display in the <a href="http://infolab.stanford.edu/pub/voy/museum/pictures/display/4-1.htm" target="_blank">Gates Information Science building</a><br />at Stanford University ca 2000</div><div class="separator" style="clear: both; text-align: center;"><br /></div><br /></div></div>Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.com0tag:blogger.com,1999:blog-5857874426002620179.post-18203050984452293122020-02-22T20:30:00.001-08:002020-06-28T17:21:32.862-07:00DEC VT102 Terminal (1983)The <a href="https://terminals-wiki.org/wiki/index.php/DEC_VT102" target="_blank">VT102</a> is a variant of the <a href="https://en.wikipedia.org/wiki/VT100" target="_blank">VT100</a> that includes some of the common options but lacks the expansion slot. The label indicates <a href="https://bit.ly/32hyzaR" target="_blank">this unit</a> was made in 1983.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTFhtRlLfWb-vy4EE-OkJ7JhBkX_hy4Eb2pzIe5lBZDcck3d4ii7VueC3Qo6YH62aNyxegLcQ31Vz_ZrtgBN3xgJUE88n1kVr6NYBouK9S7MrUsj1rSRhREw4Z2sSIrUQqPNarUMtQpd-Y/s1600/DSCN0748.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="DEC VT102" border="0" data-original-height="1200" data-original-width="1600" height="384" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhTFhtRlLfWb-vy4EE-OkJ7JhBkX_hy4Eb2pzIe5lBZDcck3d4ii7VueC3Qo6YH62aNyxegLcQ31Vz_ZrtgBN3xgJUE88n1kVr6NYBouK9S7MrUsj1rSRhREw4Z2sSIrUQqPNarUMtQpd-Y/w512-h384/DSCN0748.JPG" title="DEC VT102" width="512" /></a></div>
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It has an 80 column by 25 line display which is switchable to 132 columns. The baud rate is selectable from 50 to 19200. In practice I've found baud rates above 4800 to be unreliable when data is coming in steady with no inter-character delay.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs9jxGn_I1k-8CChFbn35QRlCeOLy1NAUFrjkYKDQKjyrAfkfzsXcjy89eKQikJEXtb57tSwYa4sWvUdCXt09NW5QV1cetTZRIznvduEFA4wo26VtM56vEwoDZV0VMHMj2RwaygRpLk7Wg/s1600/DSCN0760.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT100 Keyboard" border="0" data-original-height="826" data-original-width="1600" height="129" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjs9jxGn_I1k-8CChFbn35QRlCeOLy1NAUFrjkYKDQKjyrAfkfzsXcjy89eKQikJEXtb57tSwYa4sWvUdCXt09NW5QV1cetTZRIznvduEFA4wo26VtM56vEwoDZV0VMHMj2RwaygRpLk7Wg/w250-h129/DSCN0760.JPG" title="VT100 Keyboard" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIE9_oyHqHNG9fNuRmQikw8a6NrGS0Phu1N5Kmujj9Gg6esXYd_z3dAzwZ59UdQ16C942N4BmIKM99i3E3U6gD-0EtjJDxeaAgc8LZ6Wcbodw50gmR8l2z3429qvO5Emcs7L1g_AOorCrf/s1600/DSCN0749.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT100 Keyboard (underside)" border="0" data-original-height="864" data-original-width="1600" height="133" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiIE9_oyHqHNG9fNuRmQikw8a6NrGS0Phu1N5Kmujj9Gg6esXYd_z3dAzwZ59UdQ16C942N4BmIKM99i3E3U6gD-0EtjJDxeaAgc8LZ6Wcbodw50gmR8l2z3429qvO5Emcs7L1g_AOorCrf/w250-h133/DSCN0749.JPG" title="VT100 Keyboard (underside)" width="250" /></a></div>
On the VT102, the indicator lights L1 and L2 indicate CTS and DSR. The bottom of the keyboard has a cheat sheet showing configuration options on the setup screen. The connector is a 1/4" phone plug.<br />
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdhu_hXZ3Y8phvVNaIxItl4WNXDCg_UnWrcfwH34yUghu-sqzrLoA9208LuKvz5UDK5vJr8lQS70aNaMYGrPb2MjZ3CnDTnRDQJkY1dj8a19z3UQyUTF3oL2T9fd-1hV1oxVXbbsoSmjqu/s1600/DSCN0788.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT102 (rear)" border="0" data-original-height="1200" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjdhu_hXZ3Y8phvVNaIxItl4WNXDCg_UnWrcfwH34yUghu-sqzrLoA9208LuKvz5UDK5vJr8lQS70aNaMYGrPb2MjZ3CnDTnRDQJkY1dj8a19z3UQyUTF3oL2T9fd-1hV1oxVXbbsoSmjqu/w250-h188/DSCN0788.JPG" title="VT102 (rear)" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqts30wKsn73wv1uhyphenhyphenfgCfB4L4O9nbZlIQSFHMPkUwFCVggzEx4jmrU4d6dSJ6-DAF65Vp8PZK5RQ14qm3_sOb2Zh1bY9KGaIjdA3tJFXoNHb0AkkWIJSZjs4jNbHyDzY5j6i1oYixI046/s1600/DSCN0751.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT102 (side)" border="0" data-original-height="1201" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjqts30wKsn73wv1uhyphenhyphenfgCfB4L4O9nbZlIQSFHMPkUwFCVggzEx4jmrU4d6dSJ6-DAF65Vp8PZK5RQ14qm3_sOb2Zh1bY9KGaIjdA3tJFXoNHb0AkkWIJSZjs4jNbHyDzY5j6i1oYixI046/w250-h188/DSCN0751.JPG" title="VT102 (side)" width="250" /></a></div>
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The rear includes 1/4" phone jack for the keyboard, a BNC connector for external video output, the serial port and a serial printer port are DB25 male, an IEC C14 power socket, fuse holder and power switch.</div>
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Photos of the inside</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNShvhP-wnWCFJcmvcSXc_2Mq25DrZX3aHUdWqz7LSwd2G5nX15oHonDfYIRKtK3XuSZ34Nr0ymhR8rEG5vbolOvobhrgIXgkyjno6he83-G899aRAWAmWS-KWRmJpqVU7ntw8QlHa_5Ku/s1600/DSCN0773.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT102 top shell removed" border="0" data-original-height="1200" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNShvhP-wnWCFJcmvcSXc_2Mq25DrZX3aHUdWqz7LSwd2G5nX15oHonDfYIRKtK3XuSZ34Nr0ymhR8rEG5vbolOvobhrgIXgkyjno6he83-G899aRAWAmWS-KWRmJpqVU7ntw8QlHa_5Ku/w250-h188/DSCN0773.JPG" title="VT102 top shell removed" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQeNs9l39hcDTzdMZWW6z2qwvUrZIzHbYyjTslgvLzCAMtxhk7QMXY8B6g658t_j6LW0CWm02MB-CNYvExdL5jOAbk5inuUehz3tYlAtRvsKRYJXfwfH1UtPgpnxTFfx6CVymuWc5eSWCO/s1600/DSCN0775.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT102 main logic board" border="0" data-original-height="1200" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjQeNs9l39hcDTzdMZWW6z2qwvUrZIzHbYyjTslgvLzCAMtxhk7QMXY8B6g658t_j6LW0CWm02MB-CNYvExdL5jOAbk5inuUehz3tYlAtRvsKRYJXfwfH1UtPgpnxTFfx6CVymuWc5eSWCO/w250-h188/DSCN0775.JPG" title="VT102 main logic board" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2dZ9uSzYfcST3I32emKZQ3J4GXtgw3w4JCU9H0ftjB0WOFFQXJshV8v8fKObyr4_yDw7kETuRA89rQMyXwhETzMNePAV-WaCecwRU15abdjEvocZU11kq1vKbipwdCbVx_gCUzsbhggLp/s1600/DSCN0781.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT102 interior (rear)" border="0" data-original-height="1200" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEg2dZ9uSzYfcST3I32emKZQ3J4GXtgw3w4JCU9H0ftjB0WOFFQXJshV8v8fKObyr4_yDw7kETuRA89rQMyXwhETzMNePAV-WaCecwRU15abdjEvocZU11kq1vKbipwdCbVx_gCUzsbhggLp/w250-h188/DSCN0781.JPG" title="VT102 interior (rear)" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-yffy4n-3CEgg2WLUxm_aheAFyjgg1YiqTE4b0MaVewO1N2Es38xFU5LfyKy1OI9ui6gBPlSzIv8KVLLLia96BddN3MEgFqhJoFr0aUlb7lZcq9xv80PQPrQAIYgON2zgnYMSRvYTZL04/s1600/DSCN0784.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="VT102 CRT and analog boards" border="0" data-original-height="1200" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEj-yffy4n-3CEgg2WLUxm_aheAFyjgg1YiqTE4b0MaVewO1N2Es38xFU5LfyKy1OI9ui6gBPlSzIv8KVLLLia96BddN3MEgFqhJoFr0aUlb7lZcq9xv80PQPrQAIYgON2zgnYMSRvYTZL04/w250-h188/DSCN0784.JPG" title="VT102 CRT and analog boards" width="250" /></a></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioaukuuey98vryg_vsKm0hYEV5n0TRsTG_KLAAcwWjYT61NMtwBQpxJtdY7ZqsHgAUYm5gLEzMmZ3J4eycd-vzm340jg2abAYjGtdiljQtE-qz8qB4RcCXCD4MYZTiobBLZ9IDwxA6564c/s1600/DSCN0758.JPG"><img alt="VT102 connected to PiDP-11" border="0" data-original-height="1086" data-original-width="1600" height="433" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEioaukuuey98vryg_vsKm0hYEV5n0TRsTG_KLAAcwWjYT61NMtwBQpxJtdY7ZqsHgAUYm5gLEzMmZ3J4eycd-vzm340jg2abAYjGtdiljQtE-qz8qB4RcCXCD4MYZTiobBLZ9IDwxA6564c/w640-h433/DSCN0758.JPG" title="VT102 connected to PiDP-11" width="640" /></a></div>
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<a href="https://myoldcomputers.tumblr.com/post/189167055154/vt102" target="_blank">VT102</a>, <a href="https://obsolescence.wixsite.com/obsolescence/pidp-11" target="_blank">PiDP-11</a> and <a href="https://vt100.net/docs/vt102-ug/" target="_blank">VT102 User Guide</a></div>
Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.com0tag:blogger.com,1999:blog-5857874426002620179.post-10872042341756441702020-02-12T21:46:00.011-08:002023-03-19T14:34:51.118-07:00The Sanyo M1540A Cassette Recorder<div class="separator" style="clear: both; text-align: center;">
<span style="font-family: inherit; margin-left: 1em; margin-right: 1em;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYyaw-3bl7wn4OVbolbngnz9vsy4-m-idmCT8piqlp5z9b2edQtOoce3h49num-wxId_DkxOYoaGxhDzuAuXWnQzfMi0ZhIXgnBqVoLoAMsBFDSCv3IEX_aU-G5tBgexZMwaxOSXZtb8Q_/s1600/IMG_1975.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo M1540A cassette tape recorder" border="0" data-original-height="1600" data-original-width="1190" height="400" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjYyaw-3bl7wn4OVbolbngnz9vsy4-m-idmCT8piqlp5z9b2edQtOoce3h49num-wxId_DkxOYoaGxhDzuAuXWnQzfMi0ZhIXgnBqVoLoAMsBFDSCv3IEX_aU-G5tBgexZMwaxOSXZtb8Q_/w295-h400/IMG_1975.JPG" title="Sanyo M1540A cassette tape recorder" width="295" /></a></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9s7y04O8TBIEorxk1FkUydgXNsEhM8BUwaXOMw4-Vb0UVbvTO9g2EYNJz2cJhdDI-9ry0VLS6zmdsriHmQBbKRVX8UIAMQe6Q1b-rqPU30iSb_37XcqNffW6e7bmwcIFpmRfpqnsfwU7C/s1600/IMG_2007.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo cassette recorder, front" border="0" data-original-height="1267" data-original-width="1600" height="158" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9s7y04O8TBIEorxk1FkUydgXNsEhM8BUwaXOMw4-Vb0UVbvTO9g2EYNJz2cJhdDI-9ry0VLS6zmdsriHmQBbKRVX8UIAMQe6Q1b-rqPU30iSb_37XcqNffW6e7bmwcIFpmRfpqnsfwU7C/w200-h158/IMG_2007.JPG" title="Sanyo cassette recorder, front" width="200" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCW5YxMGBO62t5PQWF-u4L57JiUsGl5Eg2J9eZEXW_A3J20s7jZkTWc-wxQE0YdzjGSbwbDi5He7SIeAFhVG9s_0dP9tPrI7_veKGHGqfaffJhEMDtcgeEaFpSbpoGIyK3ybotimkg4i85/s1600/IMG_1982.JPG" style="font-family: inherit; margin-left: 1em; margin-right: 1em;"><img alt="Sanyo cassette recorder, side view" border="0" data-original-height="687" data-original-width="1600" height="136" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhCW5YxMGBO62t5PQWF-u4L57JiUsGl5Eg2J9eZEXW_A3J20s7jZkTWc-wxQE0YdzjGSbwbDi5He7SIeAFhVG9s_0dP9tPrI7_veKGHGqfaffJhEMDtcgeEaFpSbpoGIyK3ybotimkg4i85/w320-h136/IMG_1982.JPG" title="Sanyo cassette recorder, side view" width="320" /></a><span style="font-family: inherit; margin-left: 1em; margin-right: 1em;"></span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBzPo2yfd9x-Ad2BwzkfQINxyA7AMdn17HCq44OkTYPhHN8lc74ZZEbRJk9ciErBG3y6y4WmW1GBbEvJR-Uf14AfQxGN_NfKiLja7CxfzrTLjG0xviEgj6GNsnxEOp-_D1F-pgTTTTHIJ0/s1600/IMG_2014.JPG" style="margin-left: 1em; margin-right: 1em;"><img border="0" data-original-height="943" data-original-width="1600" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiBzPo2yfd9x-Ad2BwzkfQINxyA7AMdn17HCq44OkTYPhHN8lc74ZZEbRJk9ciErBG3y6y4WmW1GBbEvJR-Uf14AfQxGN_NfKiLja7CxfzrTLjG0xviEgj6GNsnxEOp-_D1F-pgTTTTHIJ0/w320-h188/IMG_2014.JPG" width="320" /></a></div>
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<span style="font-family: inherit;">This is the cassette tape recorder <a href="https://youtu.be/enHF9lMseP8?t=8643" target="_blank">Chuck Peddle</a> used in <a href="https://blog.hutchins1.net/2020/03/the-commodore-pet-2001-wooden-prototype.html" target="_blank">the original Commodore PET prototype</a>.</span><br />
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<br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto;"><tbody><tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYarBjkSRlsPM-83bLmICGP1Hawj6N42ZRlOJcZbolC7To1i54iX9aBAl3ogOuAkOSToojfAwPGQZsZUPTB2EZfB1B8jD8AqyasQQ9SecTVa7X48VOR5qb5YmCtpStFzL-rvqVKo973UgM/s1249/80025123_10219239932764348_910201078664921088_o_edit.jpg" imageanchor="1" style="margin-left: auto; margin-right: auto;"><img alt="Original PET Prototype, Photo by Leonard Tramiel" border="0" data-original-height="1248" data-original-width="1249" height="320" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgYarBjkSRlsPM-83bLmICGP1Hawj6N42ZRlOJcZbolC7To1i54iX9aBAl3ogOuAkOSToojfAwPGQZsZUPTB2EZfB1B8jD8AqyasQQ9SecTVa7X48VOR5qb5YmCtpStFzL-rvqVKo973UgM/w320-h320/80025123_10219239932764348_910201078664921088_o_edit.jpg" title="Original PET Prototype, Photo by Leonard Tramiel" width="320" /></a></td></tr><tr><td class="tr-caption" style="text-align: center;">PET wooden prototype.<br />Photo courtesy of Leonard Tramiel</td></tr></tbody></table><div style="text-align: left;"><br /><table align="center" cellpadding="0" cellspacing="0" class="tr-caption-container" style="margin-left: auto; margin-right: auto; text-align: center;"><tbody>
<tr><td style="text-align: center;"><img alt="Giacomo Vernoni's book "Commodore Tape Recorders"" border="0" data-original-height="902" data-original-width="1272" height="283" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEji5FbhcW-Skz0a7067n3wNPcWucHzpmw5FeTbFarUBl2ioBUAYdr_uKA90-ZgdMEQ11eYPDmDCp84Zq6L8hR8Xsk1-c4oNkm2HaKBI2Wy5DbaTKewcSJUSAPZzpeFMaaO8bJWXAmIx655Y/w400-h283/53270794_359581831555268_3230874236289548288_n.png" style="margin-left: auto; margin-right: auto;" title="Giacomo Vernoni's book "Commodore Tape Recorders"" width="400" /></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><a href="https://www.oldcomputr.com/commodore-tape-recorders/" target="_blank">Giacomo Vernoni's book "Commodore Tape Recorders"</a></td></tr>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEji5FbhcW-Skz0a7067n3wNPcWucHzpmw5FeTbFarUBl2ioBUAYdr_uKA90-ZgdMEQ11eYPDmDCp84Zq6L8hR8Xsk1-c4oNkm2HaKBI2Wy5DbaTKewcSJUSAPZzpeFMaaO8bJWXAmIx655Y/s1600/53270794_359581831555268_3230874236289548288_n.png" style="margin-left: 1em; margin-right: 1em;"></a><br /></div>
<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEji5FbhcW-Skz0a7067n3wNPcWucHzpmw5FeTbFarUBl2ioBUAYdr_uKA90-ZgdMEQ11eYPDmDCp84Zq6L8hR8Xsk1-c4oNkm2HaKBI2Wy5DbaTKewcSJUSAPZzpeFMaaO8bJWXAmIx655Y/s1600/53270794_359581831555268_3230874236289548288_n.png" style="margin-left: 1em; margin-right: 1em;"></a><br />
Commodore continued using these drives in later prototypes and pre-production units.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl24gW16bzxOV3MGsnAmeyYPGOr-T6dp6a0Ze8_XCBqseEyPxkNDcE5sDdsKjhMuUG0L0WGDPYZpbFYmsIxoYIhLI2Ichu7p7rDYH4uV2Dtk7oQh0lviqkSx-GaS0uA4HVgJ2eb61pOy8n/s1600/IMG_1990.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo and Commodore drives, side-by-side" border="0" data-original-height="1296" data-original-width="1600" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgl24gW16bzxOV3MGsnAmeyYPGOr-T6dp6a0Ze8_XCBqseEyPxkNDcE5sDdsKjhMuUG0L0WGDPYZpbFYmsIxoYIhLI2Ichu7p7rDYH4uV2Dtk7oQh0lviqkSx-GaS0uA4HVgJ2eb61pOy8n/w250-h200/IMG_1990.JPG" title="Sanyo and Commodore drives, side-by-side" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0PUMkCwJeyM7hNG4JCkwZcjBBSxZBekR2mEwHNRq_b7WdAnk9QSd4Ohtha7KnAbhlOwT_GvFc-34TjlSYDtkuMiun2RvmG3q_3sHp_BWQ_5x3IFJVrcu5ojxDl76x-BLFr9AyoaLMekW0/s1600/IMG_1991.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo and Commodore drives, bottom" border="0" data-original-height="1277" data-original-width="1600" height="198" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEh0PUMkCwJeyM7hNG4JCkwZcjBBSxZBekR2mEwHNRq_b7WdAnk9QSd4Ohtha7KnAbhlOwT_GvFc-34TjlSYDtkuMiun2RvmG3q_3sHp_BWQ_5x3IFJVrcu5ojxDl76x-BLFr9AyoaLMekW0/w250-h198/IMG_1991.JPG" title="Sanyo and Commodore drives, bottom" width="250" /></a></div>
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<span style="font-family: inherit;">John Feagans wrote that they bought a pallet of tape drives from </span>a local electronics store in Palo Alto. These were then modified at the Commodore factory in Santa Clara.</div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhicPMzWLPjQHaZUQ5ft11fBvvO_AG0rKHwq_JM-WXgWhXjud2_5cXeDjr7Pqr_qXRrNGYIHlE8VDi3oJVhzDAp6MbXcncxSdOMdNuCAuOq2VWCSMqYYjwUCgEOf8IBl7CyyB360TsR8NDU/s1600/IMG_1997.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo recorder and Commodore modified version, internal" border="0" data-original-height="1265" data-original-width="1600" height="315" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhicPMzWLPjQHaZUQ5ft11fBvvO_AG0rKHwq_JM-WXgWhXjud2_5cXeDjr7Pqr_qXRrNGYIHlE8VDi3oJVhzDAp6MbXcncxSdOMdNuCAuOq2VWCSMqYYjwUCgEOf8IBl7CyyB360TsR8NDU/s400/IMG_1997.JPG" title="Sanyo recorder and Commodore modified version, internal" width="400" /></a></div>
<span style="font-family: inherit;">The drives were modified by removing the speaker and replacing the circuit board. The corner was sawed off to prevent interference with the power supply inside the PET.</span><br />
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Commodore continued to use the Sanyo drives for <a href="https://blog.hutchins1.net/2020/02/1977pet2001.html" target="_blank">the initial production run in October</a> of 1977, but switched to a <a href="https://blog.hutchins1.net/2020/03/commodore-integrated-cassette.html" target="_blank">custom built OEM drive</a> after October.<br />
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<tr><td style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNrDpFKP4yZ7fn-ntwk3ujuZf3VE-GQPtIvhV-Oly5qaRtOKEFZ1WLXHuLEN-14UDLK5K525ZmdG5V2ua64EMHtqAF-P15RXinPtGhQrp3hdvdr04FXwlXV9f-5coQtBvXB_6N6jg9SYHs/s1600/IMG_1953.JPG" style="margin-left: auto; margin-right: auto;"><img alt="PET 2001-8 from Oct '77" border="0" data-original-height="1572" data-original-width="1600" height="314" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiNrDpFKP4yZ7fn-ntwk3ujuZf3VE-GQPtIvhV-Oly5qaRtOKEFZ1WLXHuLEN-14UDLK5K525ZmdG5V2ua64EMHtqAF-P15RXinPtGhQrp3hdvdr04FXwlXV9f-5coQtBvXB_6N6jg9SYHs/w320-h314/IMG_1953.JPG" title="PET 2001-8 from Oct '77" width="320" /></a></td></tr>
<tr><td class="tr-caption" style="text-align: center;"><a href="https://blog.hutchins1.net/2020/02/1977pet2001.html" target="_blank">PET 2001-8 from Oct '77</a></td></tr>
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Video</div>
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<iframe allowfullscreen="" class="YOUTUBE-iframe-video" data-thumbnail-src="https://i.ytimg.com/vi/xzMdKCOOvKI/0.jpg" frameborder="0" height="266" src="https://www.youtube.com/embed/xzMdKCOOvKI?feature=player_embedded" width="320"></iframe></div>
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<br /><br />Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.com0tag:blogger.com,1999:blog-5857874426002620179.post-64847378184666085892020-02-04T18:42:00.019-08:002021-05-10T06:50:24.705-07:00Commodore PET 2001-8 (1977)<div class="separator" style="clear: both; text-align: center;">
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<span face="arial, helvetica, sans-serif"><b>My oldest computer.</b></span></div>
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<span style="background-color: white;"><span style="color: #333333;">This is an early unit from 1977 with the Sanyo type cassette drive. SN# 0010165, d</span></span><span style="background-color: white; color: #333333;">ated 10/24/77 by the testing sticker on the main board. T</span><span style="background-color: white; color: #333333;">his is one of <a href="https://en.wikipedia.org/wiki/Commodore_PET#Release" target="_blank">the first 100 units produced in Oct ‘77</a>. </span></span><span face="arial, helvetica, sans-serif" style="background-color: white; color: #333333;">Everything is factory original except for one ram chip that was replaced during repairs.</span></div>
<div class="separator" style="clear: both; text-align: center;"><div style="text-align: center;"><br /></div><div style="text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcyfTVXgn6wmG32AeiRdptDWX11JLtKkQCF1CjvP77g7R6qt0RmNEXDFbUG18JSZBA5gL7uo5_1cXCIKaHzDBp5MidWjBR9A_yawpgOZpOtE0mgvmtAyTXSN5ajSCnrqbcoSheDPD5J5-g/s4150/DSCN1435.JPG"><img alt="Commodore PET 2001-8 [0010165] (1977)" border="0" data-original-height="3112" data-original-width="4150" height="384" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgcyfTVXgn6wmG32AeiRdptDWX11JLtKkQCF1CjvP77g7R6qt0RmNEXDFbUG18JSZBA5gL7uo5_1cXCIKaHzDBp5MidWjBR9A_yawpgOZpOtE0mgvmtAyTXSN5ajSCnrqbcoSheDPD5J5-g/w512-h384/DSCN1435.JPG" title="Commodore PET 2001-8 [0010165] (1977)" width="512" /></a></div></div>
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<span face="arial, helvetica, sans-serif">The <a href="https://blog.hutchins1.net/2020/02/sanyom1540a.html" target="_blank">Sanyo tape recorder</a> is the same one used in <a href="https://blog.hutchins1.net/2020/03/the-commodore-pet-2001-wooden-prototype.html" target="_blank">the original wooden prototype</a>. According to John Feagans, one of the Commodore engineers who created the original PET, the Sanyo recorders were purchased from a local retail store in Palo Alto and modified in-house. They were only used in pre-production units and in the first 100 production run in the Fall of 1977.</span><br />
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPYUUYJUjfHpSl2jVRdYH5-jxwvMox9FHFYX4GzryoYzK76BU7tcXblwxDy_paO6LRaoigUwVg9-w3pUf_SGPCN4kEtToUWubR5cM_xM5ujFlptJ5DND1-H2OfXKUO4vHc-imzGKnwJRSX/s4608/DSCN1437.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Sanyo M1540A re-branded with a Commodore sticker" border="0" data-original-height="3456" data-original-width="4608" height="235" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiPYUUYJUjfHpSl2jVRdYH5-jxwvMox9FHFYX4GzryoYzK76BU7tcXblwxDy_paO6LRaoigUwVg9-w3pUf_SGPCN4kEtToUWubR5cM_xM5ujFlptJ5DND1-H2OfXKUO4vHc-imzGKnwJRSX/w313-h235/DSCN1437.JPG" title="Sanyo M1540A re-branded with a Commodore sticker" width="313" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW82UumI3riI0Jt1-aYjBLnzh3BHFNSL9i0yPIeImxI4GSltbHk8fk-gXi_TcirilgxlwTpXoVpJ1H8dEDxXcbEYJxTAb_D6rzTVJccBeOZKHtNW0x7ZNet_dEu6In31YDFeGKAsb1gQDq/s1041-no/" style="margin-left: 1em; margin-right: 1em;" target="_blank"><img alt="Sanyo M1540A cassette recorder" border="0" data-original-height="1041" data-original-width="1041" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiW82UumI3riI0Jt1-aYjBLnzh3BHFNSL9i0yPIeImxI4GSltbHk8fk-gXi_TcirilgxlwTpXoVpJ1H8dEDxXcbEYJxTAb_D6rzTVJccBeOZKHtNW0x7ZNet_dEu6In31YDFeGKAsb1gQDq/w250-h250/" title="Sanyo M1540A cassette recorder" width="250" /></a></div></div>
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<span face="arial, helvetica, sans-serif"><span face="arial, helvetica, sans-serif" style="background-color: white; color: #333333;">Most people think that the earliest units had a blue screen bezel, but the first 100 were black. </span></span><span face="arial, helvetica, sans-serif" style="background-color: white; color: #333333;">These were in a way, pre-production units. Commodore was still working out the production and testing processes in Santa Clara in October. </span><span face="arial, helvetica, sans-serif" style="color: #333333;">They didn’t have the OEM cassette drive yet, so they continued using the retail Sanyo drive that was used in pre-production units.</span><br />
<span face="arial, helvetica, sans-serif" style="color: #333333;">Full scale production didn’t start until December using the </span><a href="https://blog.hutchins1.net/2020/03/commodore-integrated-cassette.html" style="font-family: arial, helvetica, sans-serif;" target="_blank">OEM Cassette drive</a><span face="arial, helvetica, sans-serif" style="color: #333333;"> and the blue monitor bezel.</span><br />
<span face="arial, helvetica, sans-serif" style="background-color: white; color: #333333;">The opening in the case for the cassette drive and the mounting hardware are different for the OEM cassette, so the drives are not interchangeable.</span><br />
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<span style="background-color: white; color: #333333;"><span face="arial, helvetica, sans-serif">The case badge is unusual. It is made of metal and is raised off the surface on standoffs. This type of case badge was only used thru the end of '77. By Jan '78 they were using adhesive labels.</span></span></div>
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<span face="arial, helvetica, sans-serif"><div class="separator" style="clear: both; text-align: center;"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9UBT-tHTxF1d13w_vblQbqhWZGwD1LolJO59_TEdx5fa0Jn6dyJV8DpAIW-zj5bBSiq-9ElMP4Zvteify0t-FYAdt-HyU9Qu-uM19RKOhzI7Zlc-b90xpsDOhoxPZYFeZij2E0KPseYn9/s4608/DSCN1431.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Case badge detail" border="0" data-original-height="2592" data-original-width="4608" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi9UBT-tHTxF1d13w_vblQbqhWZGwD1LolJO59_TEdx5fa0Jn6dyJV8DpAIW-zj5bBSiq-9ElMP4Zvteify0t-FYAdt-HyU9Qu-uM19RKOhzI7Zlc-b90xpsDOhoxPZYFeZij2E0KPseYn9/w320-h180/DSCN1431.JPG" title="Case badge detail" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhilWEkLD_d1gAtZ2c1IDuemHdKEemUm-xHRROqmfnT8_AL42fwnEeLqWKW-Xa9mCowKZKSQvr6gijQh0TQ2w95s2JNC3QDl7p7GqpkGcsJya7NkI81VqcfV4Xux-cMG8jmXZLiVvfafxKo/s4608/DSCN1463.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="side view of case badge" border="0" data-original-height="3456" data-original-width="4608" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhilWEkLD_d1gAtZ2c1IDuemHdKEemUm-xHRROqmfnT8_AL42fwnEeLqWKW-Xa9mCowKZKSQvr6gijQh0TQ2w95s2JNC3QDl7p7GqpkGcsJya7NkI81VqcfV4Xux-cMG8jmXZLiVvfafxKo/w250-h188/DSCN1463.JPG" title="side view of case badge" width="250" /></a></div></div></span></div>
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<span face="arial, helvetica, sans-serif"><span style="background-color: white; color: #333333;"><span face="arial, helvetica, sans-serif">The serial number sequence started with 001 for North America, so this serial number 0010165 is #165. It's worth noting that </span></span><span style="background-color: white; color: #333333;">Commodore didn't always use serial number labels in sequence and sometimes skipped blocks of numbers. The metal chassis was made in Toronto by the Commodore factory that made filing cabinets. The logic boards and final assembly was done in Santa Clara, California.</span></span></div>
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<span face="arial, helvetica, sans-serif"><div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOCNIegXb3xPgNJl-eedp28IiB3kzT3-pG71VgpocDtgdaRPolcdhc6glZqdF8ljMgr7zoiMoBXXg6YuN-tv7Gpt0IeUL00PownV_LoaVEn-xMtpklshpaQwS4SNOYF6XQjy4f-BdKEFaP/s3968/DSCN1456.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Rear view with serial number label" border="0" data-original-height="3101" data-original-width="3968" height="250" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEjOCNIegXb3xPgNJl-eedp28IiB3kzT3-pG71VgpocDtgdaRPolcdhc6glZqdF8ljMgr7zoiMoBXXg6YuN-tv7Gpt0IeUL00PownV_LoaVEn-xMtpklshpaQwS4SNOYF6XQjy4f-BdKEFaP/w320-h250/DSCN1456.JPG" title="Rear view with serial number label" width="320" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhT5wTGrQWcCk5lLL2DK5yVQaQt7QeBZ44lHzsJhNZOu1lD0dhLesfVA5uBIE6tdKhyphenhyphengqKhD1oXYLf38WdHN3J0OjTeASg1jdOlL-VN94eImJ_fS2mJYRHaweQ7yqh1uUWEuaU_L0Hi9PoP/s1600/IMG_1953.JPG" style="margin-left: 1em; margin-right: 1em;" target="_blank"><img alt="Production PET from Oct '77" border="0" data-original-height="1572" data-original-width="1600" height="245" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhT5wTGrQWcCk5lLL2DK5yVQaQt7QeBZ44lHzsJhNZOu1lD0dhLesfVA5uBIE6tdKhyphenhyphengqKhD1oXYLf38WdHN3J0OjTeASg1jdOlL-VN94eImJ_fS2mJYRHaweQ7yqh1uUWEuaU_L0Hi9PoP/w250-h245/IMG_1953.JPG" title="Production PET from Oct '77" width="250" /></a></div></span></div>
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<span face="arial, helvetica, sans-serif">The mounting hardware for the Sanyo drive can be seen in the photo below. There is no front bracket like the one used on the OEM drive.</span></div>
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<a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFZkLhqKRfCb29tVYhIXw6Xj1PZaYegjbajYidUBUcDlf_msSvdrV7pp0ioEw7n_j1k7-4EY53iV9OqRDBsQg_vtjoL6_KjQCG_L4fsuHVtbxuzN0kftBtb582bjxPQczOl82cvzjrAW56/s1600/IMG_6255.JPG" style="margin-left: 1em; margin-right: 1em;" target="_blank"><img alt="Monitor interior" border="0" data-original-height="953" data-original-width="1600" height="229" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFZkLhqKRfCb29tVYhIXw6Xj1PZaYegjbajYidUBUcDlf_msSvdrV7pp0ioEw7n_j1k7-4EY53iV9OqRDBsQg_vtjoL6_KjQCG_L4fsuHVtbxuzN0kftBtb582bjxPQczOl82cvzjrAW56/w391-h229/IMG_6255.JPG" title="Monitor interior" width="391" /></a><br /><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuQlT008ReGjc22-_WPTf3xoYE1r9gUyvUsB1ekGab5Yf_e4kgevBG7t-OPokO6TeOUEHWjJouzmrAxvlMVpCGfAVMXITEAFrFvK2y2AUciFpBXWLnQjoC6nr0f_nepp9WvQhVGzJpFt8H/s4608/DSCN1466.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Interior view" border="0" data-original-height="3456" data-original-width="4608" height="188" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiuQlT008ReGjc22-_WPTf3xoYE1r9gUyvUsB1ekGab5Yf_e4kgevBG7t-OPokO6TeOUEHWjJouzmrAxvlMVpCGfAVMXITEAFrFvK2y2AUciFpBXWLnQjoC6nr0f_nepp9WvQhVGzJpFt8H/w250-h188/DSCN1466.JPG" title="Interior view" width="250" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2egZOyrupNpfqPXOSN-BBExtKboki9iDiXeOT1mbV-UCggdUS3i7_TxWH5G8Q8g4PnZPOrZy0JjcebiDKRzdRgPygrHHeMGWZd-kEgPQlW2vr73WznsUKzuxLRtBDfWnOJFO1PsfAdVTB/s4458/DSCN1468.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Cassette mounting bracket and keyboard" border="0" data-original-height="2508" data-original-width="4458" height="180" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi2egZOyrupNpfqPXOSN-BBExtKboki9iDiXeOT1mbV-UCggdUS3i7_TxWH5G8Q8g4PnZPOrZy0JjcebiDKRzdRgPygrHHeMGWZd-kEgPQlW2vr73WznsUKzuxLRtBDfWnOJFO1PsfAdVTB/w320-h180/DSCN1468.JPG" title="Cassette mounting bracket and keyboard" width="320" /></a></div>
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<span face="arial, helvetica, sans-serif"><span face="arial, helvetica, sans-serif">This has the original version 1.0 ROMs, so it's not capable of accessing IEEE floppy disk drives. The logic board is </span>assy 320081, Part No. 320080 Rev B. It is an early version of the board with no solder mask on the top side. The ROM chips are Synertek, RAM is MPS 6550 1Kx4. </span></div>
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<span face="arial, helvetica, sans-serif">The hand written number on the board near the front-left (0170) is a production serial number to track boards during testing and re-work. A hand written number like this can be found in this area on almost all 2001-8 boards, especially the early ones from late ‘77 thru mid ‘78.</span></div>
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<div class="separator" style="clear: both; text-align: center;"><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFpTRppiB5epfbs3rQgNSUzrwwitPCtdDkDubxnUGrE0z-E0LLSYBe1x14X3XRFPuNQaynK5thiiviSSIu0X0LvX38SdBGESZ8BJx_omyYxIwCwdDQpWFdT7IfHNq1xSspl84kiEoD3tcK/s3612/IMG_3062.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="PET 2001-8 logic board" border="0" data-original-height="3612" data-original-width="2689" height="500" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEiFpTRppiB5epfbs3rQgNSUzrwwitPCtdDkDubxnUGrE0z-E0LLSYBe1x14X3XRFPuNQaynK5thiiviSSIu0X0LvX38SdBGESZ8BJx_omyYxIwCwdDQpWFdT7IfHNq1xSspl84kiEoD3tcK/w373-h500/IMG_3062.JPG" title="PET 2001-8 logic board" width="373" /></a><a href="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhyQ-68JZKSHbm-r-YXJBI1hyphenhyphenOLIuqH1IJqY7gy61z4P1jHHhUH7Oj32sy1qaWvM4jzzWwuNVzIsrfYSYZQVaAq5JqlOaTFGNqTDslR6No9YsoC7WcR2mEnxY4Z7UnkcTBKTCq_r5zxqP_i/s1977/IMG_3063.JPG" style="margin-left: 1em; margin-right: 1em;"><img alt="Testing sticker and board number" border="0" data-original-height="1977" data-original-width="1977" height="200" src="https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEhyQ-68JZKSHbm-r-YXJBI1hyphenhyphenOLIuqH1IJqY7gy61z4P1jHHhUH7Oj32sy1qaWvM4jzzWwuNVzIsrfYSYZQVaAq5JqlOaTFGNqTDslR6No9YsoC7WcR2mEnxY4Z7UnkcTBKTCq_r5zxqP_i/w200-h200/IMG_3063.JPG" title="Testing sticker and board number" width="200" /></a></div></div>
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<span face="arial, helvetica, sans-serif">The sticker with the date and initials is from production testing and indicate the date it passed testing and the technician’s initials who did the testing. In this case the board passed initial testing on 20 Oct but probably failed during burn-in and was repaired and re-tested on the 24th. A sticker like this can be found on many very early boards, though it may have been removed or fallen off most.</span></div>
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Chuck Hutchinshttp://www.blogger.com/profile/06921200504271588174noreply@blogger.com0