IBM Personal Computer

)
System Board
Switches
I
1 -
64/256K
option
with
192K
installed
1 -
64/256K
option
with
128K
installed
1 - 64K option
1 -
64/256K
option
with
64K
installed
2 -
64K options
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3 -
64K
options
!.
~
ff
i
1 -
64/256K
option
with
1
28K
installed
2 - 32K options
tit
I
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~
)
448K
Total
Memory
192K
+
256K
on System Board
Switch
Block 1
Switch
Block 2
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11
64/256K
Option
64K
Option
Card
Switches
Card
Switches
li~Q~~QQ~Q
I
li~Q~~Q~QQ
l
li~QQ~~~~~
I
li~Q~Q~~~~
I
I;~Q~~~QQQ
I
li~QQ~~~~~l
ri~Q~~~~~~l
li~Q~Q~~~~l
ri~QQ~~~l
I;~Q~~Q~QQ
I
)
I;~~QQ~QQQ
I
32K
Option
Card
Switches
li~QQ~~~~~J
li~QQ~Q~~~
I
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a
s
q:Jl!MS