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C > COMMODORE  > CBM 500 / 600 Series   

CBM 500 / 600 Series

The CBM 500 had a 40-column, 300 x 200 pixels display. Contrary to the 600 and 700 it also had two ports for joystick, light pen and paddles.

The CBM 600 was the same as the 500 but had a 80-column display and 256 Kb RAM.

MicroSoft Basic was in ROM. Both models had an option for a second processor (8088 or Z80) to function alongside the standard 6509, the 6509 was then used for I/O, display and keyboard management. They worked under Commodore DOS or CP/M and MSDOS when the computers used the other processors.

The 500 / 600 series was mainly sold in Europe, but a few models are known to have been sold in the United States.

The model pictured here is a 610.

NAME  CBM 500 / 600 Series
TYPE  Professional Computer
YEAR  1983
KEYBOARD  Full stroke 94 key with numeric keypad and function keys
CPU  MOS 6509 (Zilog Z80 & Intel 8088 optional)
SPEED  1 MHz (500), 2 MHz (600)
RAM  128 KB (up to 896 KB, varying according to the model)
ROM  28 KB
TEXT MODES  40 x 25 (500), 80 x 25 (600-700)
GRAPHIC MODES  300 x 200 (500), 512 x 512 (600-700)
COLORS  16 (500), Monochrome (600-700)
SOUND  3 voices, 9 octaves (700)
SIZE / WEIGHT  46 (W) x 59.5 (D) x 46 (H) cm
I/O PORTS  IEEE-488, Serial RS-232
BUILT IN MEDIA  Change according to the model
OS  ROM Based (CP/M or MS DOS optional)
POWER SUPPLY  Built-in power supply unit
PERIPHERALS  2 x 170 KB or 500 KB or 1 MB 5'' floppy disc unit, 8088 or Z80 card
PRICE  £695 (500)

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