Atari 800 Field Service Manual

A.
ATARI
Consumer Product Service
Manacjer of
Tehnicai
Support
TECH
TIP
number
MODEL:
Atari 400/800
Computers
DATE:
WO
Computer
Follow WO
computer
disassembly instructions
in
*00/800
Home Computer
System Service Manual
to access motherboard.
Remove ROM
chips located
at
A103 (COU599A)
and
AlO*
(COlZ'fggA).
Replace COU599A
and COI2W9A with A103
(COU599B)
and
A104
(CO 12*99B)-
FoUow
reassembly
instructions in
^^00/800
Home
Computer System
Service
Manual.
800 Computer
Follow
800
computer
disassembly instructions
in *00/800 Home
Computer
System
Service
Manual Section
to access ROM module.
Remove ROM
chips located
at
A401
(COU599A)
and
A403
(C0^2'^99A)
on
ROM
module.
Replace C0U599A
and
C0l2t^99A
with AWl
(C0U599B)
and A403
(C012499).
Follow
reassembly
instructions in your 400/800 Home
Computer
System
Service
Manual under ROM
Module Installation.
TESTING
PROCEDURES:
Follow
standard test
procedures
using Atari
Stand
Alone
Test
(Diagnostic)
as
outlined
in
Atari
400/800
Computer System
Service Manual.
ENCLOSURE:
1.
400
Motherboard,
placement
2.
800
Personality
Board,
placement
O
I
-
I-
I
1C191
(3/a31

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