IBM Personal Computer

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System Board
Switches
System Board
Switches
System Board
Switches
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System Board
Switches
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64KB-256KB
System
Board
64K
Total
Memory
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128K
Total
Memory
Switch
Block 1
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192K
Total
Memory
Switch
Block 1
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256K
Total
Memory
12345878
Switch
Block 1
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Switch
Block 2
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1234567
Switch
Block 2
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Switch
Block 2
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Switch
Block 2
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