Atari 400 Field Service Manual

BOTTOM COVQI
Figure 4-7.
ATARI
800
Console,
Bottom
Cover
Removal
REMOVE
THE
PCB
MODULE
Use
Figure *-8
as a
reference
for the
following
seven
steps.
Remove
two
screws
from
the
aluminum
casting
flange.
Remove
the
single
screw
from the
power
supply board
(lower
left
corner).
Disconnect
speaker
cable,
remove
speaker
and set it
aside.
Turn
the
unit
over.
Carefully
pull
the back
of
the
console top cover
assembly
to
90°
separating
it
from
the PCB
module.
ATARI
Home
Computer if-10

Atari 400 Specifications

General

Manufacturer	Atari
Model	400
Type	Home Computer
Release Year	1979
CPU	MOS Technology 6502
CPU Speed	1.79 MHz
ROM	10 KB
Operating System	Atari OS
Keyboard	Membrane keyboard
RAM	8 KB (expandable to 48 KB)
Graphics	ANTIC and GTIA chips
Sound	4 channels
Display	RF output for connection to TV
Storage	Optional cassette tape drive or floppy disk drive
Ports	Cartridge
Display Resolution	320x192 (16 colors)