Commodore PC20-III
Commodore Business Machines
Computer
1988
Follow-up to the PC10, the PC20-III used the faster Intel 8086 processor and was widely used in European schools and offices during the late 1980s. It shipped with MS-DOS 3.3, a 20 MB hard drive, and EGA graphics as standard. A common sight in European classrooms alongside the Amstrad PC1512.
Specifications
- Manufacturer
- Commodore Business Machines
- Type
- Computer
- Year
- 1988
- CPU
- Intel 8086
- Clock speed
- 9.54 MHz
- RAM
- 640 KB
- ROM
- BIOS ROM (IBM PC/XT-compatible)
- Video chip
- EGA; 640×350 16-colour
- Sound chip
- PC speaker (AdLib / Sound Blaster via ISA)
- OS / BASIC
- MS-DOS 3.3 (included)
- Ports
- 5× ISA slots, 2× serial (DE-9), 1× parallel (DB-25), keyboard, 5.25" FDD, 20 MB HDD
- Supported
- PC
Files
No files attached.
Credits
- Added to site
- 03 Jul 2026