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
PCI Express
x1, x4, x8, and x16 PCI Express Connector
Pin A
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
Pin
Signal
1
2
3
4
5
PRSNT1
+12V
+12V
GND
JTAG2
6
7
8
9
10
JTAG3
JTAG4
JTAG5
+3.3V
+3.3V
11
12
13
14
15
PERST#
GND
REFCLK-
GND
16
17
18
19
20
PERp0
PERn0
GND
RSVD
GND
21
22
23
24
25
PERp1
PERn1
GND
GND
PERp2
26
27
28
29
30
PERn(2)
GND
GND
PERp3
PERn3
31
32
33
34
35
GND
RSVD
RSVD
GND
PERp4
36
37
38
39
40
PERn4
GND
GND
PERp5
PERn5
41
42
43
44
45
GND
GND
PERp6
PERn6
GND
46
47
48
49
50
GND
PERp7
PERn7
GND
RSVD
51
GND
56
PERp9
61
PERn10
66
GND
71
GND
SATA Data and Power
77