Seagate SV35 SERIES ST3250824SV - Manual (Page 34)

28 SV35 Series SATA Product Manual, Rev. C
4.2 Serial ATA device plug connector pin definitions
Table 6 summarizes the signals on the Serial ATA interface and power connectors..
Notes:
1. All pins are in a single row, with a 1.27 mm (0.050”) pitch.
2. The comments on the mating sequence apply to the case of backplane blindmate connector only. In this
Table 6: Serial ATA connector pin definitions
Segment Pin Function Definition
Signal
S1 Ground 2nd mate
S2 A+ Differential signal pair A from Phy
S3 A-
S4 Ground 2nd mate
S5 B- Differential signal pair B from Phy
S6 B+
S7 Ground 2nd mate
Key and spacing separate signal and power segments
Power
P1 V
33
3.3V power
P2 V
33
3.3V power
P3 V
33
3.3V power, pre-charge, 2nd mate
P4 Ground 1st mate
P5 Ground 2nd mate
P6 Ground 2nd mate
P7 V
5
5V power, pre-charge, 2nd mate
P8 V
5
5V power
P9 V
5
5V power
P10 Ground 2nd mate
P11 Ground or LED signal If grounded, drive does not use deferred spin
P12 Ground 1st mate.
P13 V
12
12V power, pre-charge, 2nd mate
P14 V
12
12V power
P15 V
12
12V power