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C > COMMODORE  > CBM 700 Series   

CBM 700 Series

The Commodore 700 series featured the same hardware basis as the 600 series but had a built-in tilt-and-swivel monochrome 12" monitor, a detachable keyboard and housing for two 5.25" floppy drives.

It was said that the 5/6/700 cases were designed by Porsche, not the more familiar Porsche auto factory, but the separate Porsche Design firm.

Three version were also available:
• 710 (CBM 128/80 in USA): 128 KB RAM
• 720 (CBM 256/80): 256 KB RAM
• 730 (CBMX 256/80): 256 KB RAM and coprocessor

Both versions could be purchased with a built-in dual floppy disk drive which was compatible with the external 8250 dual drive unit.

Please consider donating your old computer / videogame system to or one of our partners from anywhere in the world (Europe, America, Asia, etc.).

Special thanks to Susan Griffiths who donated us this computer !


Computers in the CBM-II series was never sold with integrated floppy drives. But probably it was planned for before at a early stage.

The CBM/PET 8296D that was using similar "housing" however, was sold with integrated 8250 duel floppy drive .

Sunday 18th March 2018
Remi Jakobsen (Norge)
Remi''s Classic Computer Collection

Looking to buy one. Contact gagarinnet @

Monday 27th March 2017
Gagarin (USA)


NAME  CBM 700 Series
TYPE  Professional Computer
YEAR  1983
BUILT IN LANGUAGE  Extended version of Microsoft BASIC 4.0
KEYBOARD  Full stroke 94 key with numeric keypad and function/programmable keys
CPU  MOS 6509 (Zilog Z80 & Intel 8088 optional)
RAM  128 KB (up to 896 KB)
ROM  28 KB
TEXT MODES  80 chars. x 25 lines
COLORS  Monochrome
SOUND  3 voices, 9 octaves (same SID 6581 as C-64)
SIZE / WEIGHT  46 (W) x 59.5 (D) x 46 (H) cm
I/O PORTS  IEEE-488, Serial RS-232, Cartridge, audio, cassette
BUILT IN MEDIA  optional built-in dual floppy disc drives
OS  ROM Based (CP/M or MS DOS optional)
POWER SUPPLY  Built-in switching power supply unit
PERIPHERALS  2 x 170 KB or 500 KB or 1 MB 5'' floppy disc unit, 8088 or Z80 card
PRICE  $2995

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