Pci Express - HP dx2308 - Microtower PC Service & Reference Manual

52 PERp8
53 PERN8
54 GND
55 GND
76 PERp14
77 PERn14
78 GND
79 GND
80 PERp15
Pin B information is on the next page
NOTE:
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
1 +12V
2 +12V
3 RSVD
4 GND
5 SMCLK
26 GND
27 PETp3
28 PETn3
29 GND
30 RSVD
ENWW
57 PERn9
58 GND
59 GND
60 PERp10
81 PERn15
82 GND
x1 PCI Express uses pins 1-18
Pin Signal
6 SMDAT
7 GND
8 +3.3 V
9 JTAG1
10 3.3vAux
31 PRSNT2#
32 GND
33 PETp4
34 PETn4
35 GND
62 GND 67
63 GND 68
64 PERp11 69
65 PERn11 70
Pin Signal Pin
11 WAKE# 16
12 RSVD 17
13 GND 18
14 PETp0 19
15 PETn0 20
36 GND 41
37 PETp5 42
38 PETn5 43
39 GND 44
40 GND 45
GND 72 PERp13
PERp12 73 PERn13
PERn12 74 GND
GND 75 GND
Signal Pin Signal
GND 21 GND
22 GND
GND
23 PETp2
PETp1
24 PETn2
PETn1
25 GND
PETp6 46 PETn7
PRTn6 47 GND
GND 48 PRSNT2#
GND 49 GND
PETp7 50 PETp8
PCI Express 77