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System Block Diagram (XT)
The following is a system block diagram of the IBM Personal
Computer XT.
SYSTEM UNIT
System Board
Power Supply
130 Watt
4
Level
8088
Oscillator
8 Interrupt
Speaker
Levels
Adapter
Speaker
Keyboard
Read-Only
Memory
Memory
4
Channels
Keyboard
Direct Memory
Adapter
Access
Math
Coprocessor
(Optional)
6
7
8
Extender Card
to
Receiver Card
(See Expansion
Unit Block
Diagram)
3
4
5
2
8-Slot
I/O Channel
Note: A "System to Adapter Compatibility Chart," to identify
the adapters supported by each system, and an "Option to
.
Adapter Compatibility Chart," to identify the optio'ns supported
by each adapter, can be found in the front matter of the Technical
Reference Options and Adapters manual, Volume 1.
xvii
- Quick Links:
- Section 1. System Board
- 64/256K System Board
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