IBM Personal Computer

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)
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System
Board
Switches
2 -
64/256K
option
with
256K
installed
1 -
32K
option
00
~
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60aK
Total
Memory
544K
+
64K
on System Board
Switch
Block 2
Switch
Block 1
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64/256K
Option
64K
Option
32K
Option
Card
Switches
Card
Switches
Card
Switches
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