IBM Personal Computer

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I
..
N
00
~.
~
(16KB-64KB CPU) System Board
16K
Total
Memory
~
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:;
o
~
~
I
fIj
System
Board
Switches
12345678
Switch
Block
1
mD~~DDDD
32K
Total
Memory
Switch
Block
2
1
2345678
;~~~~~~~~
o
-=
.......
_.
o =
System
Board
Switches
Switch
Block
1
I;DDQ~DODD
I
Switch
Block
2
r;~~~~~Q~Q
I
rJ1
~
_.
.......
~
System
Board
Switches
48K
Total
Memory
1234567
B
Switch
Block
1
mD~~DDDD
Switch
Block
2
1
2345678
;~~~~~~~~
=-
~
rI1
64K
Total
Memory
System
Board
Switches
Switch
Block
1
,
2345678
mD~~DDDD
Switch
Block 2
( )
)
)