Atari 800 Field Service Manual

800 POWER-UP,
PART
II
Turn pow«r
OFF,
Insert
SALT n
Cartridge,
and turn
power
ON
Does
screen
look
lilce
Figure
3-2
See NOTE
2
YES
NO
Is
there NO
color
or
are the
colors
off
YES
Co to
COLOR
BAR
Test.
Page
7-9
NO
NOTE
2
RAM:
could
be
3K,
16K,
24K,
32K.
oe
40K
TIA:
could
be
NTSC
or PAL
ROM:
could
be
-
MATH:NTSA:NTSA
MATH:NTSB:NTSB
MATH:PALA:PALA
MATH:PALfl:PALB
ERR:
is
displayed
for
any
bad ROM,
verify
error
condition
via
VERIFY
ROM.
Page
7-
Is the
screen
solid
green
,
yellow
, or
.
red
YES
Reseat
SALT
II
Cartridge
and
retest
NO
Does
screen
look
like
Figure
3-2
YES
Repeat
?OWER-UP,
PART
I.
Pace
7-2
Go
to COLOR
I
BAR
Test.
Page
7-9
I
NO
ATARI
Home
Computer
7-S

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