Retro Commodore

Your place with high quality scans for preservation.

Retro Commodore

PET Technical


Here you'll find Schematics, technical manuals, and help to repair.
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CBM-II Diagnostic

Link: Download - 3.36 MB
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40 Col Clip Test

Link: Download - 2.96 MB
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80 Col Clip Test

Link: Download - 1.23 MB
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Commodore PET 2001
Operating System Version 4.0
assembly listing

Link: Download - 6.01 MB
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Commodore PET BASIC 4.0 ROM
assembly listing

Link: Download - 7.66 MB
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Source code listing
PET BASIC version 2.2
for Commodore 10/16/64

Link: Download - 10.76 MB
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PET Computer
Main Logic Schematic
PET 2001

Link: Download - 3.4 MB
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PET ROM Listing
Version BASIC 3.00


Link: Download - 8.02 MB
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the CBM
40/80 Column Kernal

Link: Download - 15.97 MB
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Commodore Service Training
CBM 40xx/80xx

Link: Download - 3.36 MB
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Commodore Training
3040/4040/3001/8050/8250/
8250LP/8296D service

Link: Download - 3.8 MB
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Logic Diagram Dynamic PET
CBM 3032-4032

Link: Download - 13.69 MB
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Monteringsvejledning for BASIC 4,0
CBM 3032

Link: Download - 347.91 KB
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Proposed solutions
to BASIC garbage collection

Link: Download - 751.35 KB
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