
2.2.13 Primary/Secondary IDE Connector (CN7, CN4)
CN7: Primary IDE |
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CN4: Secondary IDE |
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| Signal Name | Pin # |
| Pin # |
| Signal Name |
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| Reset IDE | 1 |
| 2 |
| Ground |
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| Host data 7 | 3 |
| 4 |
| Host data 8 |
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| Host data 6 | 5 |
| 6 |
| Host data 9 |
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| Host data 5 | 7 |
| 8 |
| Host data 10 |
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| Host data 4 | 9 |
| 10 |
| Host data 11 |
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| Host data 3 | 11 |
| 12 |
| Host data 12 |
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| Host data 2 | 13 |
| 14 |
| Host data 13 |
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| Host data 1 | 15 |
| 16 |
| Host data 14 |
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| Host data 0 | 17 |
| 18 |
| Host data 15 |
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| Ground | 19 |
| 20 |
| No connect |
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| DRQ0 / DRQ1 | 21 |
| 22 |
| Ground |
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| Host IOW | 23 |
| 24 |
| Ground |
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| Host IOR | 25 |
| 26 |
| Ground |
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| IOCHRDY | 27 |
| 28 |
| Host ALE |
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| DACK0 / DACK1 | 29 |
| 30 |
| Ground |
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| IRQ14 / IRQ 15 | 31 |
| 32 |
| No connect |
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| Address 1 | 33 |
| 34 |
| No connect |
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| Address 0 | 35 |
| 36 |
| Address 2 |
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| Chip select 0 | 37 |
| 38 |
| Chip select 1 |
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| Activity | 39 |
| 40 |
| Ground |
Table 14: IDE Connector Pin Definition
20 • Jumpers and Connectors