IDE hard drive connectors (CN8, CN9)
33 | 31 |
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34 | 32 | 4 | 2 |
Pin | Signal | Pin | Signal |
1 | IDE RESET* | 2 | GND |
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3 | DATA 7 | 4 | DATA 8 |
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5 | DATA 6 | 6 | DATA 9 |
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7 | DATA 5 | 8 | DATA 10 |
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9 | DATA 4 | 10 | DATA 11 |
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11 | DATA 3 | 12 | DATA 12 |
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13 | DATA 2 | 14 | DATA 13 |
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15 | DATA 1 | 16 | DATA 14 |
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17 | DATA 0 | 18 | DATA 15 |
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19 | SIGNAL GND | 20 | N/C |
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21 | HDD 1 | 22 | GND |
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23 | IO WRITE | 24 | GND |
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25 | IO READ | 26 | GND |
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27 | HD READY | 28 | N/C |
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29 | HDACK 0* | 30 | GND |
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31 | IRQ15/IRQ14** | 32 | N/C |
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33 | ADDR 1 | 34 | N/C |
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35 | ADDR 0 | 36 | ADDR 2 |
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37 | HARDDISKSELECT0* 38 | HARD DISK SELECT 1* | |
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39 | IDE ACTIVE* | 40 | GND |
*Low active
**CN8 IRQ14 CN9 IRQ15
Chapter B Pin Assignments | 99 |
