Commodore PET 2001

Commodore PET 2001

Commodore Business Machines Computer 1977

The first personal computer from Commodore, launched in 1977. The original PET 2001 came with either 4 KB or 8 KB of RAM, a built-in chiclet keyboard, integrated 9" green phosphor CRT, and a built-in Datasette. One of the "1977 Trinity" of personal computers alongside the Apple II and TRS-80.

Specifications

Manufacturer
Commodore Business Machines
Type
Computer
Year
1977
CPU
MOS 6502
Clock speed
1 MHz
RAM
4 KB or 8 KB
ROM
18 KB (BASIC 1.0 + KERNAL)
Video chip
Discrete logic — built-in 9" green phosphor CRT, 40×25 text
Sound chip
None (single-voice software beeper)
OS / BASIC
Commodore BASIC 1.0
Ports
IEEE-488, 2× Cassette Port, User Port
Supported
Commodore PET / CBM

Files

No files attached.

Credits

Added to site
03 Jul 2026