Commodore PET 4000 Series: Revision history

23 September 2026

• curprev 20:0520:05, 23 September 2026 Josh talk contribs 8,509 bytes +3,721 Cite to Commodore drawings 8032090 and 8032051 in the hosted PET 4000 Technical Manual: three on-board regulators (VR4 LM323 +5 V, VR2 7812 +12 V, VR1 7905 -5 V), 16 MHz Y1, full electrolytic list, supply chassis is transformer + 23,000 uF C1 + 1.6 A slow-blow F1 with no regulator; remove red links undo

12 May 2025

• curprev 08:1708:17, 12 May 2025 Josh talk contribs 4,788 bytes −179 No edit summary undo

20 April 2025

• curprev 12:2212:22, 20 April 2025 Josh talk contribs 4,967 bytes 0 →📷 Motherboard Images undo

17 April 2025

• curprev 16:0216:02, 17 April 2025 Josh talk contribs 4,967 bytes +2 No edit summary undo Tag: Visual edit

16 April 2025

• curprev 22:3522:35, 16 April 2025 Josh talk contribs 4,965 bytes +4 No edit summary undo
• curprev 22:3522:35, 16 April 2025 Josh talk contribs 4,961 bytes −5 No edit summary undo
• curprev 22:3422:34, 16 April 2025 Josh talk contribs 4,966 bytes +10 No edit summary undo Tag: Visual edit: Switched
• curprev 22:2822:28, 16 April 2025 Josh talk contribs 4,956 bytes −6 No edit summary undo Tag: Visual edit: Switched
• curprev 22:2722:27, 16 April 2025 Josh talk contribs 4,962 bytes +5 No edit summary undo
• curprev 22:2622:26, 16 April 2025 Josh talk contribs 4,957 bytes −8 No edit summary undo Tag: Visual edit: Switched
• curprev 22:2522:25, 16 April 2025 Josh talk contribs 4,965 bytes +4,965 Created page with "{{Infobox computer | name = Commodore PET 4000 Series | image = 250px | caption = Commodore PET 4032 with 12" monitor | manufacturer = Commodore International | type = Personal Computer | release date = 1980 | discontinued = 1982 | price = Varies by model and configuration | cpu = MOS Technology 6502 @ 1 MHz | memory = 8 KB – 32 KB (model dependent) | storage = External IEEE-488 flop..."