Atari 800 Field Service Manual

TIA TEST
Press
I and
RETURN
Does NOT
GTIA
appear
on
screen
NO
Is
there
a color
rainbow
on the
screen
^
—
^ NO
Replace GTIA
(A30I)
on
CPU
Board
YES
Go
to GRAY
'BAR
Test.
Page
7-1
YES
Go to
CRAY
BAR
Test,
Pa8e7-14i
ATARI
Home
Computer
7-13

Atari 800 Specifications

General

Processor	MOS Technology 6502
Processor Speed	1.79 MHz
ROM	10 KB
Graphics	ANTIC and GTIA chips
Release Year	1979
Display Resolution	up to 320 x 192
Colors	128 colors
Sound	4 channels
Storage	Cartridge, cassette, floppy disk
Ports	Cartridge, serial, monitor
Operating System	Atari OS