Serial ATA Drive Guidelines and Features
4.2 SATA Hard Drive Cables
4.2.1 SATA Data Cable
Always use an HP approved SATA 3.0 Gb/s cable as it is fully backwards compatible with the SATA 1.5 Gb/s drives.
SATA data cables are susceptible to damage if overflexed. Never crease a SATA data cable and never bend it tighter than a 30 mm (1.18 in) radius.
The SATA data cable is a thin,
Pin Number | Usage | Device Plug | Host Plug |
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P1 | Ground | Ground | Ground |
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P2* | A+ | Transmit data | Receive data |
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P3* | A- | Transmit data | Receive data |
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P4 | Ground | Ground | Ground |
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P5** | B- | Receive data | Transmit data |
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P6** | B+ | Receive data | Transmit data |
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P7 | Ground | Ground | Ground |
*P2 and P3 differential signal pair **P5 and P6 differential signal pair
4.2.2 SATA Power Cable
Pin | Usage | Notes | Pin | Usage | Notes |
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P1 | V3.3 | 3.3 V power | P9 | V5 | 5 V power |
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P2 | V3.3 | 3.3 V power | P10 | Ground |
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P3 | V3.3 | 3.3 V power | P11 | Ground |
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P4 | Ground |
| P12 | Ground |
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P5 | Ground |
| P13 | V 12 | 12 V power |
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P6 | Ground |
| P14 | V12 | 12 V power |
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P7 | V5 | 5 V power | P15 | V12 | 12 V power |
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P8 | V5 | 5 V power |
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| Service Reference Guide |