Serial Ata Device Plug Connector Pin Definitions - Seagate SV35.3 Series Serial ATA ST3250310SV Product Manual

4.2

Serial ATA device plug connector pin definitions

Table 6 summarizes the signals on the Serial ATA interface and power connectors.
Table 6: Serial ATA connector pin definitions
Segment Pin Function
S1 Ground
S2 A+
S3 A-
S4 Ground
S5 B-
S6 B+
Signal S7 Ground
P1 V
33
P2 V
33
P3 V
33
P4 Ground
P5 Ground
P6 Ground
P7 V
5
Power P8 V
5
P9 V
5
P10 Ground
P11 Ground or LED signal
P12 Ground
P13 V
12
P14 V
12
P15 V
12
Notes:
1. All pins are in a single row, with a 1.27 mm (0.050") pitch.
28
Definition
2nd mate
Differential signal pair A from Phy
2nd mate
Differential signal pair B from Phy
2nd mate
Key and spacing separate signal and power segments
3.3V power
3.3V power
3.3V power, pre-charge, 2nd mate
1st mate
2nd mate
2nd mate
5V power, pre-charge, 2nd mate
5V power
5V power
2nd mate
If grounded, drive does not use deferred spin
1st mate.
12V power, pre-charge, 2nd mate
12V power
12V power
SV35.3 Series Serial ATA Product Manual, Rev. B