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IBM 5150 Hardware Reference Manual

IBM 5150
393 pages
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System Board and Memory
Expansion Switch Settings
On the following four pages are graphic illustrations of switch settings.
These are necesary for the system to address components attached,
~
and to specify the amount
of
memory installed both on the System
Board and in the System Expansion Slots. Refer to the System Board
Component Diagram (page 13) for
DIP
switch locations.
SWITCH
1
o 1 2 3 4 5 6 7 8
1'\
rD~DDDDDD
POSITION
FUNCTION
1-7-8
NUMBER
OF
5%"
DISKETTE
DRIVES
INSTALLED;
PAGE
2-29
2
UNUSED-MUST
BE
ON
(RESERVED
FOR
CO-PROCESSOR)
3-4
AMOUNT
OF
MEMORY
ON
SYSTEM
BOARD;
PAGE
2-30
5-6
TYPE
OF
MONITOR
YOU
ARE
USING;
PAGE
2-29
SWITCH
2
o 1 2 3 4 5 6 7 8
1\
fDDDD~~~~
\
POSITION
FUNCTION
1-2-3-4
AMOUNT
OF
MEMORY
OPTIONS
INSTALLED;
PAGE
2-30
5-6-7-8
ALWAYS
IN
THE
OFF
POSITION
2-28

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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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