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Model summary Edit

PET 2001 series / 2001-N & -B series, CBM 3000 series Edit

CPU: 6502, 1MHz
RAM: 4, 8, or 16kB / 8, 16, or 32 kB
ROM: 18 kB, including BASIC 1.0 / 20 kB, including BASIC 2.0
Video: MOS 6545, 9" monochrome monitor, 40×25 character display
Sound: none / single piezo "beeper"
Ports: 2 MOS 6520 PIA, MOS 6522 VIA, 2 Datassette (1 used / 1 on the back), 1 IEEE-488
Notes: 69 key chiclet keyboard and built-in Datassette / full-sized, full-travel keyboard, no built-in Datassette

PET 4000 series / CBM 8000 series Edit

CPU: MOS 6502, 1MHz
RAM: 8, 16, or 32 kB / 32 or 96 kB
ROM: 20K, including BASIC 4.0
Video: MOS 6545, 9" or 12" / 12" monochrome monitor, 40×25 / 80×25 character display
Sound: single piezo "beeper"
Ports: 2 MOS 6520 PIA, MOS 6522 VIA, 2 Datassette ports (1 on the back), 1 IEEE-488
Notes: basically an upgraded 2001 / basically a 4000 with 80 columns and slightly different keyboard with smaller (11 key) numeric pad

SuperPET 9000 series Edit

CPU: MOS 6502 and Motorola 6809, 1MHz
RAM: 96 kB
ROM: 48 kB, including BASIC 4.0 and other programming languages
Video: MOS 6545, 12" monochrome monitor, 80×25 character display
Sound: single piezo "beeper"
Ports: MOS 6520 PIA, MOS 6522 VIA, MOS 6551 ACIA, 1 RS-232, 2 Datassette ports (1 on the back), 1 IEEE-488
Notes: basically an 8000 with ROMs for programming languages, it also had three character sets, and an RS-232 for use as a terminal

PeripheralsEdit

Commodore Business Machines made a variety of disk drives available for the PET, using the IEEE 488 interface, including:

Commodore 2031 single disk drive
Commodore 4040 dual disk drive
Commodore 8050 dual disk drive
Commodore 8250 "quad density" dual disk drive
Commodore 8280 dual disk drive (8")
Commodore SFD-1001 "quad density" single disk drive
Commodore 9060 hard drive (5 megabytes)
Commodore 9090 hard drive (7.5 megabytes)
List of Commodore micromputers
6502-based 8-Bit Kim-1 - Vic-20 - PET - CBM-II - C64 -

SX-64 -C16\C116 - Plus /4 - C128\C128D - Commodore 65

68000-based 16\32-bit Amiga 1000 - Amiga 500 - Amiga 2000 (Amiga 2500) - Amiga 1500 - CDTV - CD32 - Amiga 3000 - (Amiga 3000UX - Amiga 3000T) - Amiga 500+ - Amiga 600 - Amiga 1200 - Amiga 4000 - 4000T
Other Commodore 900 - PC Compatible systems

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