4-Pin Power (for CPU)
Connector and Icon
Pin
Signal
1
2
3
4
GND
GND
+12V CPU
+12V CPU
SATA Data and Power
Drive Connector
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
S1
S5
Ground
B-
S2
S6
A+
B+
S3
S7
A-
Ground
S4
Ground
P1
P5
P9
P13
Ground
B-
V 5
V 12
P2
P6
P10
P14
V 3.3
Ground
Ground
V12
P3
P7
P11
P15
V 3.3
V 5
Reserved
V 12
P4
P8
P12
Ground
V 5
Ground
*S = Data, P = Power
64
Appendix A Connector Pin Assignments