IBM 512KB Memory Expansion Option Manual page 6

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Switch Bank 1
1 234 5 6 7 8 12345678
1st 512KB
Memory
Expansion
Adapter
~~~~~~~~~~ ~~~~~~~~
3rd 512KB
1 234 5 6 7 8
12345678
Memory
Expansion
Adapter
~~~~~~~~~~ ~~~~~~~~
4th 512KB
12345678 1 234 5 6 7 8
Memory
Expansion
Adapter
~~~~~~~~~~ ~~~~~~~~
5th 512KB
1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8
!~~"i~~on ~~~~~~~~~~ ~~~~~~~~
August 31, 1984
2 Personal Computer AT 512KB Memory Expansion Option