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IBM
Office

Model # PC-AT Official IBM personal computer at

Here are the diagrams and repair parts for Official IBM PC-AT personal computer at, 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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Showing 10 of 265 parts  |
Video Amp Assembly/rgb Cable & Connector (restricted Availability.) 6133991
#1J

Professional graphics display (5175) diagram

Video amp assembly/rgb cable & connector (restricted availability.)

Part #6133991

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

Controller Memory Card 6133789
#2Q

System unit (5170) diagram

Controller memory card

Part #6133789

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

Fixed Disk And Diskette Drive Adapter 8286125
#9

System unit (5170) diagram

Fixed disk and diskette drive adapter

Part #8286125

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

%/5 1642343

#NI

All parts diagram

%/5

Part #1642343

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

32kb Rom 6133791
#2S

System unit (5170) diagram

32kb rom

Part #6133791

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

Key 6111212

#NI

All parts diagram

Key

Part #6111212

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

T 2658836

#NI

All parts diagram

T

Part #2658836

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

Key 6111213

#NI

All parts diagram

Key

Part #6111213

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

32kb Rom 6133792
#2T

System unit (5170) diagram

32kb rom

Part #6133792

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

E 2658834

#NI

All parts diagram

E

Part #2658834

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

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