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51
52
53
54
55
GND
PERp8
PERN8
GND
GND
56
57
58
59
60
PERp9
PERn9
GND
GND
PERp10
61
62
63
64
65
PERn10
GND
GND
PERp11
PERn11
66
67
68
69
70
GND
GND
PERp12
PERn12
GND
71
72
73
74
75
GND
PERp13
PERn13
GND
GND
76
77
78
79
80
PERp14
PERn14
GND
GND
PERp15
81
82
PERn15
GND
Pin B information is on the next page
NOTE: x1 PCI Express uses pins 1-18
x4 PCI Express uses pins 1-32
x8 PCI Express uses pins 1-49
x16 PCI Express uses pins 1-8
PCI Express
x1, x4, x8, and x16 PCI Express Connector
Pin B
Pin
Signal Pin Signal Pin Signal Pin Signal Pin Signal
1
2
3
4
5
+12V
+12V
RSVD
GND
SMCLK
6
7
8
9
10
SMDAT
GND
+3.3 V
JTAG1
3.3vAux
11
12
13
14
15
WAKE#
RSVD
GND
PETp0
PETn0
16
17
18
19
20
GND
GND
PETp1
PETn1
21
22
23
24
25
GND
GND
PETp2
PETn2
GND
PCI Express 179