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Commodore C64 - revision A

The C64 is a computer system with a keyboard, external power-supply and a motherboard. On the motherboard you will find a MOS 6510 processor, RAM / ROM memory, MOS 6569 VIC-II video chip, MOS 6581 SID sound chip and twice a MOS 6526 CIA.
This is the 1st Production run of the C64a. This example is a PAL version. Revision A has silver nameplates on the case.
The revision A C64s had a small defect. All revisions A C64s were recalled. After being repaired they got the rainbow logo. But a few escaped re-badging.

Read more about: Commodore C64 - revision A


MOS 6510

Processor frequency:

1 MHz


64 kbyte RAM, 20 kbyte ROM


320 x 200 pix, 40 x 25 chr, 16 clr, 8 mob


3 Voices, Noise


Expansionport, Userport, Serialport, Datassette, 2 x Joystick, TV, Video, Sound


C64-a: 205 x 405 x 70 mmBox: 260 x 570 x 120 mm


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Commodore C64 - revision A
The revision number (REV.A) on the pcb of the Commodore 64.
The different logo of the Commodore C64 Revision A.
Update: 2019-05-08 19:23:29