Atari 400 Field Service Manual

ATARI
believes that
the information
described in
this
manual
is accurate
and reliable,
and much
care has been
taken in its preparation.
However,
no responsibility, financial
or otherwise,
shall be
accepted for
any consequences
arising out of the use
of this
material.
Information
contained herein
is subject to change. Revisions
may be
issued
to advise
of such changes
and/or
additions.
Correspondence
regarding
this document
should be
forwarded to Manager
of Technical
Support,
Consumer
Product
Service, ATARI,
Incorporated, 1312
Grossman Road,
Sunnyvale,
CA
94086, U.S.
America.

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)