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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  |
(3-3) Serial/parallel Adapter 8286147
#3

System unit (5170) diagram

(3-3) serial/parallel adapter

Part #8286147

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

Key 6111214

#NI

All parts diagram

Key

Part #6111214

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

Signal Cable 6321059

#NI

All parts diagram

Signal cable

Part #6321059

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

System Board-type 1, 256kb-512kb (populated To 256kb) 6480170
#1

System unit (5170) diagram

System board-type 1, 256kb-512kb (populated to 256kb)

Part #6480170

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

Key 6111188

#NI

All parts diagram

Key

Part #6111188

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

A 2658846

#NI

All parts diagram

A

Part #2658846

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

7/home 4584732

#NI

All parts diagram

7/home

Part #4584732

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

Miscellaneous Hardware Kit 8529327
#6R

Color display (5153) diagram

Miscellaneous hardware kit

Part #8529327

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

R 2658835

#NI

All parts diagram

R

Part #2658835

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

(3-2) Monochrome Display And Printer Adapter 8529148
#2E

System unit (5170) diagram

(3-2) monochrome display and printer adapter

Part #8529148

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

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