Atari 800 Field Service Manual

400 POWER-UP.
PART 11
<3tarO
Turn
power OFF,
Insart SALT
II
Cartridge,
and
turn
power ON
RAM:
Do«9
screen look
like
Figure 3-2
See
NOTE 2
YES
NO
la
there
^40
color or
are
the coiors
off
YES
Go
to COLOR
BAR
Teat, P»ge
5-9
NO
Is the screen
solid
green,
yeilow, or
red
YES
Reeat SALT
II
Cartridg*
and
reteat
NO
Does
screen
look
like
Figure 3-1
Repeat
POWER-UP^—
*"
PART
I, Page 5-2
YES
NOTE 2
could be 3K.
16K.
24K, 32K. oe
40K
TIA:
couid
be
NTSC or PAL
ROM:
could be
-
MATH:NTSA:NTSA
MATH:NTSa:NTSB
MATH:PALA:PALA
'
MATH:PALS:PALB
ERR: ia
displayed for any
bad
ROM, verify
error
condition
via
VERIFY
aCM Teat,
Page
5-
Go
to COLOR
BAR Teat.
Page5-9l
ATARI
Home
Computer
5-8

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