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IBM 5150 Hardware Reference Manual

IBM 5150
393 pages
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System Block Diagram
8088
20
81T
•
OSC
MAIN
4
CH
•
elK
PROCESSING
DMA
•
CNTRL
UNIT
ROS
ROS
8K
x 8
8K
x 8
ROS
ROS
8K
x 8
BK
x 8
ROS
ROS
8Kx 8
BK
x 8
KEYBOARO
ATTACHMENT
110
CHANNEL
3
CH
8
LEV.
16
BIT
INTR
TIC
16
x 9
READ!
WRITE
MEMORY
16KB
MEMORY
EXPANSION
16KB
MEMORY
EXPANSION
16KB
MEMORY
EXPANSION
SYSTEM
80ARD
Figure
1.
SYSTEM
BLOCK
DIAGRAM
1-4

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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