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IBM 3270 PC Maintenance Guide: Difference between revisions

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Line 40: Line 40:
| 2 || 64/256 KB memory expansion || 4, 6
| 2 || 64/256 KB memory expansion || 4, 6
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|-
| 3 || Free || |-
| 3 || Free ||  
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| 4 || Display adapter || 2, 4, 6
| 4 || Display adapter || 2, 4, 6
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|-
Line 102: Line 103:
| 6 || Keyboard DIN pin 1 || +5 V
| 6 || Keyboard DIN pin 1 || +5 V
|-
|-
| 7 || Not used || |-
| 7 || Not used ||  
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| 8 || System unit DIN pin 4 || Ground
| 8 || System unit DIN pin 4 || Ground
|-
|-
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