Uploaded July 2019 | Updated September 2026, 1 week ago

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Today, let's repair a Commodore 64 with RAM chips error

NAME C64
MANUFACTURER Commodore
TYPE Home Computer
ORIGIN U.S.A.
YEAR 1982
END OF PRODUCTION 1993
BUILT IN LANGUAGE Basic
KEYBOARD Full-stroke 66 keys with 4 function keys
CPU 6510
SPEED 0.985 MHz (PAL) / 1.023 MHz (NTSC)
CO-PROCESSOR VIC II (Video), SID (Sound)
RAM 64 KB
ROM 20 KB
TEXT MODES 40 columns x 25 lines
GRAPHIC MODES several, most used : 320 x 200
COLORS 16 + 16 border colours
SOUND 3 voices / 9 octaves, 4 waveforms (sound output through TV)
SIZE / WEIGHT 40.4 (W) x 21.6 (D) x 7.5 (H) cm / 1820 g
I/O PORTS video output (composite, chroma/luma and sound in/out), 2 x Joystick plugs, Cartridge slot, Tape interface, Serial, User Port, TV RF output
BUILT IN MEDIA Cassette unit. Provision for 170 KB 5.25'' floppy disc unit (1541)
POWER SUPPLY External power supply unit

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