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IBM 5150 Hardware Maintenance Manual

IBM 5150
357 pages
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Memory
You have entered this PIC because you were unable
to
complete the
POST or
you
have an error message, indicating a Memory failure.
If
you
have a Memory error message,
to to
page 200-3
to
identify the
~ai1ing
module. Insert
your
Advanced Diagnostic diskette or cassette
lnd
proceed with running diagnostic routines. Verify
the
devices
installed. The actual Memory size
of
your machine must match the
.'
message on your display.
,;".,""'"
1 -
SYSTEM
BOARD
~
I~,pr.,
2-
128KB
MEMORY
3-
KEYBOARD
4-
MONOCHROME
&
PRINTER
ADAPTER
5-
COLOR/GRAPHICS
ADAPTER
6 -
2
DISKETTE
DRIVE(S)
&
ADAPTER
9 -
PARAllEL
PRINTER
ADAPTER
11
-
ASYNC
COMMUNICATIONS
ADAPTER
13
-
GAME
CONTROL
ADAPTER
(j)
14
-
MATRIX
PRINTER
IS
THE
LIST
CORRECT
(Y/N)?
DOES THE AMOUNT
OF
MEMORY IN YOUR SYSTEM MATCH
THE MEMORY SIZE INDICATED ON YOUR DISPLAY?
NO Refer to Section 5, "Locations"
of
this manual for proper
switch settings.
If
the
switch settings are correct, replace
~
the System Unit Board. See Section 3, "Removal/
Replacement. "
YES
200-1

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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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