Commodore VIC-20
Commodore Business Machines
Computer
1981
The first computer to sell one million units. Launched in 1981 as an affordable colour home computer. The VIC chip provided colour graphics and sound in hardware. Available in PAL and NTSC variants with slightly different clock speeds.
Specifications
- Manufacturer
- Commodore Business Machines
- Type
- Computer
- Year
- 1981
- CPU
- MOS 6502A
- Clock speed
- 1.108 MHz (PAL) / 1.023 MHz (NTSC)
- RAM
- 5 KB (expandable via cartridge)
- ROM
- 20 KB (BASIC 2.0 + KERNAL + Character)
- Video chip
- MOS VIC 6560 (NTSC) / 6561 (PAL) — 22×23 text, 176×184 graphics, 16 colours
- Sound chip
- MOS VIC 6560/6561 — 3 voice square wave + noise
- OS / BASIC
- Commodore BASIC 2.0
- Ports
- Cartridge, Cassette, Serial IEC, User Port, 1× DE-9 Joystick, RF, A/V
- Supported
- Commodore VIC-20
Files
No files attached.
Credits
- Added to site
- 03 Jul 2026