Atari 400 Field Service Manual

CARTRIDGE
DOOR
ASSEMBLY
Figure
t^-6.
ATARI
800 Console,
Cartridge
Door Assembly
Removal
ACCESS TO
POWER
SUPPLY
AND KEYBOARD
ASSEMBLY
To
gain
access to
the power
supply
and keyboard
assembly, perform
the following
steps
in the
exact
order
given.
REMOVE
TOP
COVER
Use
Figure *-7
as reference
for the
following
three steps.
• Turn
unit upside
down.
•
Remove
five
screws from
the bottom
cover.
•
Tilt
the back
of the bottom
cover
up and towards
you to remove
it.
ATARI
Home
Computer
^^-9

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)