
C.7 Floppy drive connector (CN9)
Table
Pin | Signal | Pin | Signal |
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1 | GND | 2 | DENSITY SELECT* | 34 | |
32 | |||||
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3 | GND | 4 | N/C | ||
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5 | GND | 6 | DRIVE TYPE |
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7 | GND | 8 | INDEX* |
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9 | GND | 10 | MOTOR 0* |
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11 | GND | 12 | DRIVE SELECT 1* |
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13 | GND | 14 | DRIVE SELECT 0* |
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15 | GND | 16 | MOTOR 1* |
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17 | GND | 18 | DIRECTION* |
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19 | GND | 20 | STEP* |
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21 | GND | 22 | WRITE DATA* |
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23 | GND | 24 | WRITE GATE* | 4 | |
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| 2 | |
25 | GND | 26 | TRACK 0* | ||
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27 | GND | 28 | WRITE PROTECT* |
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29 | GND | 30 | READ DATA* |
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31 | GND | 32 | HEAD SELECT* |
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33 | GND | 34 | DISK CHANGE* |
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* low active
3
1
Appendix C Pin Assignments | 91 |