IBM Personal Computer

UI
...
I
QC
rn
~.
g:
1(1
System Board
Switches
i
'"
1 -
64/256K
option
with
256K
installed
1 -
64/256K
option
with
64K
installed
1 -
32K
option
1 -
64/256K
option
with
256K
installed
1 -
64K
option
1 -
32K
option
L-
-
)
60aK
Total Memory
352K
+
256K
on System Board
Switch
Block 1
Switch
Block 2
IfOOOQOODOJ
64/256K
Option
64K
Option
Card
Switches
Card
Switches
rl~O~~QQQ~
li~~~~~QQQ
I
I;~O~~QQQ~
I
ri~
~
~
~
~
~
~
~I
)
IfQ~~~QOOO
I
32K
Option
Card
Switches
lfQ~~Q~~~~
I
lfQ~~Q~~~~1
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