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IBM 5150 Hardware Maintenance Manual

IBM 5150
357 pages
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Page #39 background image
Check
the
speaker circuit
if
you
have
no
beep.
1.
Set
your
multimeter
to
the OHMS
(x
1)
scale.
2.
Remove the speaker connector from the System Board.
3.
Connect leads
to
the speaker
as
shown.
-----------------f',.
System
Board
IS THERE CONTINUITY AT THE SPEAKER CONNECTOR?
NO
Replace
the
speaker. See Section 3, "Removal/
Replacement. "
YES Replace
your
System Board. See Section 3,
"Removal/Replacement. "
020-8

Table of Contents

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IBM 5150 Specifications

General IconGeneral
ProcessorIntel 8088
Clock Speed4.77 MHz
RAM16 KB - 256 KB
ManufacturerIBM
Model5150
Release Year1981
Storage5.25-inch floppy drives
GraphicsMDA or CGA
Operating SystemIBM PC DOS
PortsCassette, keyboard
Expansion Slots5

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