400

From HwB

Atari 400

Computer from Atari. Announced in December, 1978. Released in October, 1979. Discontinued in November, 1983. Codenamed Candy during development.

Contents

Technical specs

Keyboard
  • 61-keys QWERTY membrane keyboard
  • 4 function keys (Reset, Option, Select, Start)
CPU Rockwell 6502, 1.79 MHz
Co-processors
  • ANTIC (Scrolling, Sprites, Video)
  • CTIA / GTIA (Color, Sprites, Collisions)
  • POKEY (timers, sound, keyboard, serial I/O)
  • PIA 6810 (I/O, including the 4 joystick ports)
RAM 8 kB (16 kB on newer models)
ROM 10 kB
Text modes 40 x 25
Graphic modes Maximum: 320 x 192
Colors 128 (16 colors, each with 8 luminances)
Sound 4 voices, 3.5 octaves
OS 400/800 OS in ROM
Power supply External power supply
Price $500 USD

Connectors

Top

Front

Right side

Backside

  • RF TV video output (a cable hardwired to the computer, not detachable)