IBM Personal Computer

.
t
.
il
•
I
III
!.
=-
128K
Total Memory
64K
+
64K
on System Board
If
~
I'
System Board
Switches
Switch
Block 1
Switch
Block 2
IfOOQQOOoO
I
li~Q~~~QQQ
I
64/256K
Option
64K
Option
32K
Option
Card
Switches
Card
Switches
Card
Switches
1 -
64/256K
option
with
64K
installed
If~~~Q~QQQ
I
1 - 64K
option
li~~~Q~~~~
I
I;~~~Q~~~~
I
,
2 - 32K options
If~~~QQ~~~
I
)
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