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Preserved models > Commodore

Commodore PET (CBM II) B500-128

Producer: Commodore - Category: Personal Computer

Photos: Photo 1 (small),Photo 2 (small)

Photo 1: Esocop
Photo 2: Esocop

Personal computer, 1982, Commodore. The B500 is the early version of the low-profile CBM-II business model that became the B128 / CBM 610: 128 KB of RAM, 80 column display and a 6509 processor at 2 MHz. Only a small number of machines with the B500 label were produced before the renaming.

Year1982
ManufacturerCommodore Business Machines
ProcessorMOS Technology 6509 at 2 MHz
RAM128 KB
ROMBASIC 4.0+ and KERNAL
Display80 x 25 text on an external monitor
SoundSID 6581
Storageexternal IEEE-488 floppy disk drives
PortsIEEE-488, RS-232, cartridge port, user port, cassette port
Operating systemCommodore BASIC 4.0+
Caselow profile with built-in keyboard (like the Commodore 64), early B500 labelling

Documentation

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