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M > MICRODIGITAL > TK-83   


Microdigital
TK-83

The TK83 followed the TK82. It was a close copy of the ZX81 but offered some enhanced features: 2 KB of RAM expandable up to 64 KB, and a joystick interface.

The tape speed could be either 300 or 4200 baud per second. The machine shipped with a beige or silver case, the same size as the ZX-81's.

Thanks to Franco Girardi for the picture.

We need more info about this computer ! If you designed, used, or have more info about this system, please send us pictures or anything you might find useful.
NAME  TK-83
MANUFACTURER  Microdigital
TYPE  Home Computer
ORIGIN  Brazil
YEAR  1981
END OF PRODUCTION  Unknown
BUILT IN LANGUAGE  Sinclair BASIC
KEYBOARD  Membrane 40 keys
CPU  Z80A
SPEED  3.25 MHz
RAM  2 KB up to 64 KB
ROM  8 KB
TEXT MODES  32 chars. x 22 lines
GRAPHIC MODES  64 x 44 dots
COLORS  Monochrome
SOUND  Unknown
SIZE / WEIGHT  167 (W) x 175 (D) x 40 (H) mm / 350g
I/O PORTS  Tape recorder, joystick, TV-RF
POWER SUPPLY  External AC adaptor
PERIPHERALS  16 and 48K RAM modules, all of the Sinclair peripherals
PRICE  85$ (USA, 1983)


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