HP Compaq dc5700 MT Reference Manual page 148

Connector Pin Assignments
PCI Express
x1, x4, x8, and x16 PCI Express Connector
Pin B
Pin Signal Pin
1 +12V 6
2 +12V 7
3 RSVD 8
4 GND 9
5 SMCLK 10
26 GND 31
27 PETp3 32
28 PETn3 33
29 GND 34
30 35
RSVD
51 PETn8 56
52 GND 57
53 GND 58
54 PETp9 59
55 PETn9 60
76 GND 81
77 GND 82
78 PETp15
79 PETn15
80 GND
Notes:
x1 PCI Express uses pins 1- 1 8
x4 PCI Express uses pins 1-32
x8 PCI Express uses pins 1-49
x16 PCI Express uses pins 1-82
A–8
Signal Pin Signal
SMDAT 1 1 WAKE#
GND 12 RSVD
+3.3v 13 GND
JTAG1 14 PETp0
3.3vAux 15 PETn0
PRSNT2# 36 GND
GND 37 PETp5
PETp4 38 PETn5
PETn4 39 GND
GND 40 GND
GND 61 GND
GND 62 PETp1 1
PETp10 63 PETn1 1
PETn10 64 GND
GND 65 GND
PRSNT2#
RSVD
437804-001
Pin Signal Pin
16 GND 21
17 PRSNT2# 22
18 GND 23
19 PETp1 24
20 PETn1 25
41 PETp6 46
42 PRTn6 47
43 GND 48
44 GND 49
45 PETp7 50
66 PETp12 71
67 PETn12 72
68 GND 73
69 GND 74
70 PETp13 75
Service Reference Guide, dc5700
Signal
GND
GND
PETp2
PETn2
GND
PETn7
GND
PRSNT2#
GND
PETp8
PETn13
GND
GND
PETp14
PETn14