IBM Personal Computer

)
)
)
320K
Total
Memory
64K
+
256K
on System Board
System Board
Switches
Switch
Block 1
Switch
Block 2
liOOQQOOOD
I
If~~~O~QQO
I
64/256K
Option
64K
Option
32K
Option
Card
Switches
Card
Switches
Card
Switches
1 -
64/256K
option
with
64K
installed
li~Q~~~OOO
I
1 -
64K
option
It~Q~~~~~~J
rn
If~Q~~~~~~
I
!.
2 -
32K
options
~
if
li~Q~~Q~~~J
!.II
~
Ie
s6u!n
a
s
lj:ll!MS
I
I