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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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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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