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Last modified 2025-06-15

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Atari 400

A picture of Atari 400

SPECIFICATIONS

GENERAL
Type:?-bit home computer
CPU:6502B @ 1.77 MHz (PAL), 1.78 MHz (NTSC)
Operating system(s):Atari Basic / Atari 8-bit OS
Memory:ROM: 10 KB
RAM: 16 KB (Some early versions were shipped with only 8 KB)
Power supply:9 VAC (Male barrel jack)
Current drain / power consumption:
Dimensions (W*H*D):? mm (?")
Weight:? Kg (? lb)




I/O
Keyboard:Integrated membrane type
Graphics: 320*192 pixels, monochrome
160*96 pixels, 128 colors
4 sprites, raster interrupts
Audio: Atari "POKEY" (AMI C012294B-01)
4 oscillators and noise mixer or 2*AM digital
Built-in speaker
Storage:Optional program recorder
Optional floppy
External I/O ports:
Cartridge slot:   30-pin edge connector
Joystick:   Four DE-9p / DB-9m
RF out:   Phono/RCA (On the main board)
Serial I/O:   13-pin (Peripheral jack)
Other:




MISCELLANEOUS
Manufactured:Hong Kong (Designed in USA), 1979-1983 (Discontinued)
Additional info: Codename "Candy".
FCC ID: BPA83A400.
Related documents:
Modifications and fixes:
Notable "ham" software:
Reviews:
Options / Accessories:
410 Program recorder (Tape recorder)