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AST Research
Office

Model # 486/25 Official AST Research computer

Here are the diagrams and repair parts for Official AST Research 486-25 computer, as well as links to manuals and error code tables, if available.

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  • In the search box below, enter all or part of the part number or the part’s name.

Not all parts are shown on the diagrams—those parts are labeled NI, for “not illustrated”.

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Model diagram and schematic

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ALL PARTS
Showing 10 of 44 parts  |
3.6v Batt 175000-007

#NI

All parts diagram

3.6v batt

Part #175000-007

The manufacturer no longer makes this part, and there's no substitute part

Control Console 220255-007

#NI

All parts diagram

Control console

Part #220255-007

The manufacturer no longer makes this part, and there's no substitute part

Mem Expansn 202275-002

#NI

All parts diagram

Mem expansn

Part #202275-002

The manufacturer no longer makes this part, and there's no substitute part

5.25 Flpy 230010-001

#NI

All parts diagram

5.25 flpy

Part #230010-001

The manufacturer no longer makes this part, and there's no substitute part

Bravo Upg 500740-001

#NI

All parts diagram

Bravo upg

Part #500740-001

The manufacturer no longer makes this part, and there's no substitute part

1mb Simm 202298-002

#NI

All parts diagram

1mb simm

Part #202298-002

The manufacturer no longer makes this part, and there's no substitute part

Cbl Hd Cont 220305-001

#NI

All parts diagram

Cbl hd cont

Part #220305-001

The manufacturer no longer makes this part, and there's no substitute part

Bios Upgrade 500529-001

#NI

All parts diagram

Bios upgrade

Part #500529-001

The manufacturer no longer makes this part, and there's no substitute part

Cbl-speaker 220254-001

#NI

All parts diagram

Cbl-speaker

Part #220254-001

The manufacturer no longer makes this part, and there's no substitute part

Upgrade 500558-002

#NI

All parts diagram

Upgrade

Part #500558-002

The manufacturer no longer makes this part, and there's no substitute part

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