400

400 - 01
	   
The Atari 400 and 800 were the first home computers to use custom
coprocessors and the first to use "sprites" and special video
interruptions like display lists, features that will be implemented
several years after on the Commodore Amiga
(Atari 400/800 and Amiga were designed by Jay Miner). 

It offered high graphic resolution, lots of colors and great sound
capabilities, more than other computers could do then !
The two models had same characteristics, the 400 is the low-cost version,
it has only 16 kb (instead of 48 kb), one cartridge port
(two for the 800) and a membrane keyboard (a typewriter style keyboard
one for the 800). 

Originally, the 400 was sold with 8 kb RAM, but later most
400's with 16 kb. 

The Atari 400 was known inside Atari as code name "Candy". 

(www.old-computers.com)
	   

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 ???

Atari 400 Opened

Front View Serial Number

	   
	   
400-01:

Same guy as the Intellivision_02 and the Videopac G7400_01

Bought on 13/12/2002 in Assebroek (paid 40€).

Also bought the Odessey200_01 (25€) and the Sega Megadrive_02 (10€)
on this day from the same guy.