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Description
Atari 400 personal computer. Labels marked: G 16K 431 6686 / G 155 AV042272-16 10/21 L40 P(F?)
Manufacturer: Atari
Model: 400
Date Announced: 1979
Date Canceled: 1982
Country of Origin: USA
Processor: Rockwell 6502
Speed: 1.79 MHz
RAM: Up to 48K (almost always 16K)
ROM: 10K
Expansion: 1 cartridge slots, 2 well protected memory slots and a daisy-chainable expansion bus
BusN/A
I/O: I/O bus could connect to an optional interface unit with parallel and serial ports
OS: Atari OS
Notes: The Atari 400 was a very advanced machine for its time. Although it was built around the same microprocessor as many of its direct competitors such as the Apple II Plus and the Commodore Pet it added various co-processors to handle graphics and sound generation tasks. The 400 was the little brother to the 800. It had a membrane keyboard (to protect against spills from the children who were its target market) and less expansion capability.
Condition
Good Overall - Gentle external wear; not tested
Dimensions
13.5" x 11.5" x 4.25" (Width x Depth x Height)