IBM Personal Computer

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)
)
System
Board
Switches
1 -
64/256K
option
with
256K
installed
1 -
64/256K
option
with
128K
installed
1 -
32K
option
00
!.
g:
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~
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ColI
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N
ColI
480K
Total
Memory
416K
+
64K
on System Board
Switch
Block 1
Switch
Block
2
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64/256K
Option
64K
Option
Card
Switches
Card
Switches
I;~~~QQQQ~
I
li~Q~QQ~QQ
J
I;Q~QQ~QOQ
I
32K
Option
Card
Switches
I;~QQQ~~~~
I
S6Um8s
q
3
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