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Atari 400 Field Service Manual

Atari 400
207 pages
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KEYBOARD
.STAR
Press
K
and
RETURN
Do
keyboard
test
YFS
KX
PASS
YKS
NO
Did
same
keys fail
as
in
PGWER-UP,
PART
I
NO
ALL
YES
Was
it
all or
just
some
of the
kevs
SOME
Replace
keyboard
1
PASS
-
(
LL)
NO
Swap-out
AlOl,
2103.
and
Z104
Go to
TONE
TEST.L^
Page
5-24
]
.XJi^
PASS
NO
Go to
next
page
ATARI
Home
Computer
5-22

Table of Contents

Other manuals for Atari 400

Preview: Users Handbooks
Users Handbooks326 pages
Preview: Service Manual
Service Manual129 pages
Preview: Basic Reference Manual
Basic Reference Manual122 pages
Preview: User Guide
User Guide244 pages
Preview: Owner's Guide
Owner's Guide13 pages
Preview: Hardware Manual
Hardware Manual113 pages
Preview: Installation Instructions
Installation Instructions6 pages

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Atari 400 Specifications

General IconGeneral
ManufacturerAtari
Model400
TypeHome Computer
Release Year1979
CPUMOS Technology 6502
CPU Speed1.79 MHz
ROM10 KB
Operating SystemAtari OS
KeyboardMembrane keyboard
RAM8 KB (expandable to 48 KB)
GraphicsANTIC and GTIA chips
Sound4 channels
DisplayRF output for connection to TV
StorageOptional cassette tape drive or floppy disk drive
PortsCartridge
Display Resolution320x192 (16 colors)

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