Manufacturer |
Atari |
Name |
400 |
Type |
Homecomputer |
Origine |
USA |
Introduction Date |
1979 |
End of production |
1982 |
Built in Language |
Atari Basic |
Keyboard |
QWERTY membrane keyboard, 61 keys, 4 function keys (Reset, Option, Select, Start) |
CPU |
6502 |
Speed |
1.79 Mhz |
Coprocessor |
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) |
Amount of Ram |
8 kb or 16 kb (newer models) |
Vram |
None |
Rom |
10 Kb |
Text Modes |
40 x 25 |
Graphic Modes |
several graphic modes, maximum : 320 x 192 |
Colors |
16 (each color can have 8 luminances) = 128 colors maximum in the lowest graphic mode (requiring display list interruption to have them simultaneously) and up to 256 colors in some specific modes for machines having the GTIA chip instead of the CTIA |
Sound |
4 voices, 3.5 octaves |
Size / Weight |
??? |
Built in Media |
None |
I/O Ports |
RGB video output, 1 cardridge slot, Expansion bus, Atari Serial I/O (SIO), 4 joystick sockets, Tape recorder |
OS |
400/800 OS in ROM |
Power Supply |
External |
Introduction Price |
??? |
Sold |
??? |
Serial Number |
??? |
Other Extras |
None |
Bought Where |
Assebroek |
Bought When |
13/12/02 |
Condition |
Good |
Price Paid |
40 € |
Specs of my Model |
??? |
Setup Today |
??? |