Atari 400 Field Service Manual

SECTION
2
Sa.KSCREEN
AND
SCHEMATICS
The
following
pages contain
representative
silkscreens
and schematics
for
the
ATARI
*00/800
Computer
Consoles.
Minor
variations
in design
may be
encountered
depending
upon
the
production
date of the
Console. These
drawings provide
all details
required
for
an in-depth
understanding
of both
the
*00
and
800
Consoles-
ATARI
Home
Computer
2-i

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)