IBM XT 5160

System BlockDiagram (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