SATA drive
Pin | Signal | Pin | Signal | Pin | Signal |
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Data Cable | Power Cable | Power Cable | |||
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S3* | A- | P3 | 3.3V power | P10 | Ground |
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S4 | Ground | P4 | Ground | P11 | Reserved |
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S5** | B- | P5 | Ground | P12 | Ground |
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S6** | B+ | P6 | Ground | P13 | 12V power |
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S7 | Ground | P7 | 5V power | P14 | 12V power |
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* S2 and S3 differential signal pair | P15 | 12V power | |||
**S5 and S6 differential signal pair |
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SAS drive
Segment | Pin | Backplane | Plug and |
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| receptacle | cable |
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| receptacles |
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Primary signal segment | S1 | SIGNAL GROUND | |
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| S2 | TP+ | RP+ |
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| S3 | TP- | RP- |
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| S4 | SIGNAL GROUND | |
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| S5 | RP- | TP- |
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| S6 | RP+ | TP+ |
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| S7 | SIGNAL GROUND | |
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Secondary signal segment | S8 | SIGNAL GROUND | |
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| S9 | TS+ | RS+ |
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| S10 | TS- | RS- |
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| S11 | SIGNAL GROUND | |
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| S12 | RS- | TS- |
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| S13 | RS+ | TS+ |
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| S14 | SIGNAL GROUND | |
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ENWW | 161 |
