CS/A65 PET 4032 Replica
Andre Fachat's modular CS/A65 recreation of a Commodore PET 4032 mainboard, assembled from separate processor, I/O, and video cards.
Also called: Fat40, CS/A65 Fat40
At a glance
Products listed: 1
Exact-system evidence: 1
Family/interface evidence: 0
Product types: 1
Vintage searches: 0
Directory: PET 4032 Replica
Browse everything below, or filter by product type, availability, and compatibility basis. Notes explain whether evidence names an exact target, a broader family, or only the relevant bus or interface for this compatible system.
Showing 1 product.
| Status | Product | What it does | Links |
|---|---|---|---|
| Build itChecked Jul 27, 2026 | CS/A65 PET 4032 Replica (Fat40)by Andre Fachat | Builds a PET 4032-compatible mainboard from modular CS/A65 processor, PET I/O, and video cards. For this compatible system (exact system): The documented Fat40 route runs a 4032 graphics-keyboard ROM at 1 MHz. The separate 2 MHz 8032 image is experimental and its IEEE-488 timing is described as flaky. This is a new modular computer, not an upgrade installed in an original PET. No assembled seller or current PCB supplier was verified. A build needs three or four CS/A65 cards, a backplane, components, a programmed ROM, a case, a display or video-interface circuit, and a power supply. PETCPU revision 1.1B publishes board files but its layout is marked untested; the current VDC and PETIO pages publish later revisions marked okay, while the replica instructions date from 2010. | Roll your own PET4032 project pageCS/A65 PETCPU boardCS/A65 PETIO boardCS/A65 video board |