IBM Personal Computer

UI
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~ ~
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rIl
ff
i
System Board
Switches
1 -
64/256K
option
with
256K
installed
1 -
64/256K
option
with
1
28K
installed
1 -
64K
option
1 -
64/256K
option
with
256K
installed
1 -
64/256K
option
with
192K
installed
512K
Total
Memory
448K
+
64K
on
System Board
12345678
Switch
Block 1
Switch
Block 2
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64/256K
Option
64KOption
Card
Switches
Card
Switches
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I;~Q~QQ~QQ
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12345678
m~~~~~~~
32K
Option
Card
Switches
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