SATA drive connector
Data Cable Power Cable Power Cable
Pin Signal Pin Signal Pin Signal
S5**
S6**
S7
B-
B+
Ground
P5
P6
P7
Ground
Ground
5V power
P12
P13
P14
P15
Ground
12V power
12V power
12V power
* S2 and S3 differential signal pair
**S5 and S6 differential signal pair
SAS drive connector
Segment Pin Backplane receptacle Plug and cable receptacles
Primary signal segment S1
S2
S3
S4
S5
S6
S7
SIGNAL GND
TP+
TP-
SIGNAL GND
RP-
RP+
SIGNAL GND
SIGNAL GND
RP+
RP-
SIGNAL GND
TP-
TP+
SIGNAL GND
Secondary signal segment S8
S9
S10
S11
S12
S13
S14
SIGNAL GND
TS+
TS-
SIGNAL GND
RS-
RS+
SIGNAL GND
SIGNAL GND
RS+
RS-
SIGNAL GND
TS-
TS+
SIGNAL GND
Power segment P1
P2
P3
P4
V
33
c
V
33
c
V
33
c
precharge
c
GROUND
158 Appendix A Appendix A—Connector pins ENWW
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