Table 7 summarizes the 1.8” drive Signal and Power SATA Plug.
Table 7 1.8” SATA Connector Plug Pinout
Segment | Pin | Function | Definition | |
| S1 | GND | Ground | |
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| S2 | A+ | Differential Signal Pair (Host to Drive) | |
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| S3 | A- | ||
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Signal |
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S4 | GND | Ground | ||
| S5 | B- | Differential Signal Pair (Drive to Host) | |
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| S6 | B+ | ||
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| S7 | GND | Ground | |
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| Spacing separates signal and power segments | ||
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| P1 | V33 | Unused [2] | |
| P2 | V33 | ||
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| P3 | GND | Ground [1] | |
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| P4 | GND | ||
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Power | P5 | V5 | 5V power to Drive | |
P6 | V5 | |||
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| P7 | LED Signal | Activity LED: Driven low to light | |
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| Key | Key | Keyway | |
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| P8 | Optional | Reserved for Seagate use. | |
| P9 | Optional | Leave unconnected. | |
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Notes:
[1]Ground pins 3 and 4 mate first on micro SATA backplane connectors
[2]The two V33 pins are unused but connected together on the drive. They can be used for a
SEAGATE 600 SSD PRODUCT MANUAL, REV. B | 21 |