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Atari 400 Service Manual

Atari 400
129 pages
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Chapter 6 provides ATARI part numbers for the field replaceable units
of the 400/800 Computer Console system. The chapter also provides
information for ordering the parts through the nearest ATARI parts
distribution center. In addition chapter 6 provides information on
how to use the Fault Reporting System.
1.4 CHANGES TO THIS MANUAL
This manual will periodically be updated or changed to keep it
current with changes in the ATARI 400/800 Computer Console systems.
Changes normally start with ATARI Customer Support issuing a "Tech
Tips" that alerts the service technician to such things as changes in
maintenance procedures and critical problem areas. After either a
series of these Tech Tips are issued or one of an extremely critical
nature is issued, service manual change pages are published. These
pages are of the remove-the-old-and-insert-the-new type. A vertical
bar in the margin of the changed page indicates the revised material.
After about 20% of a manuals pages are changed, Customer Support
Publications reissues the entire manual.
1.4.1 Notice of Changes Page
The Notice of Changes page, see Figure 1-2, contains instructions for
changing this manual. It will come with pages intended to replace
outdated pages in the manual. The Notice contains the affected page
number and the action required to make the changes. After making the
necessary changes, insert the Notice at the end of the manual to keep
a current record of changes.
1.4.2 List of Effective Pages
The List of Effective Pages on the back of this manual's title page
lists all the pages in this book, including the title page, the List
of Effective Pages, deleted pages, added pages, and foldout pages.
1.4.3 Reader Comment Form
ATARI Customer Support Publications Department created the Reader
Comment Form (at the back of this manual) to get feedback from the
service technician about our manuals. If you are in any way
dissatified with this publication, we want to hear from you. Tell us
about technically inaccurate information, gross typographical errors,
or missing information. If you know a way to improve a procedure,
please let us know that, too. When filling out the form, be specific
and give the page number and a line reference with paragraph number,
if possible.
1-4 System Service Manual

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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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