Atari 800 Field Service Manual

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3^^
B
0100
000
C 0001
0000
D 0000 1000
E
0000 0000
RAM
TEST
TESTING
40
K
0004-
0004
ERROR
COUNTER
TEST
COUNTER
0«f«ctiv« RAM
Seards DcfKtiv« RAM
Idwitifia
0«f«ci
Indie
aior
at
B4
and B3
B&(or
54
and B«
B3
and
B«t
or
ai,
35
and
Description
lit SK
Block
2nd SK
Block
3rd SK Block
tih
SK
Slock
iffaranco
Calumn
Description
SK
1«K
DO
ZS12
ZJ12
01
ZSll
ZJIl
02
Z310
Z3I0
03
Z30S
Z309
0*
Z3W
Z30S
03
2307
2307
Ot
Z303
Z306
07
Z30«
Z303
B7jor
B4
and 37
3in
8K Block
Figure
and
Table
7-2
ATARI
Home
Computer
7-39

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