IBM 5150 Hardware Maintenance Manual

System Board Removal
1.
~2.
3.
4.
5.
6.
Position the System Unit Power switch to Off; unplug System
Unit power cord and disconnect all cables from rear of System
Unit.
Remove System
Unit cover (See page 3-98).
Remove all Option Adapters (See page 3-95).
Disconnect Diskette Drive signal cable
m and System Board
power connector
Ii.
Remove the speaker connector Ii .
Remove System Board mounting screw m.
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(Top View)
3-107

IBM 5150 Specifications

General

Processor	Intel 8088
Clock Speed	4.77 MHz
RAM	16 KB - 256 KB
Manufacturer	IBM
Model	5150
Release Year	1981
Storage	5.25-inch floppy drives
Graphics	MDA or CGA
Operating System	IBM PC DOS
Ports	Cassette, keyboard
Expansion Slots	5