HP Business Desktop dx5150 Series Service Reference Guide, 1st Edition
Service Reference Guide, dx5150 361685-001 A–9
Connector Pin Assignments
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 
+3.3v 
JTAG1 
3.3vAux
11 
12 
13 
14 
15
WAKE# 
RSVD 
GND 
PETp0 
PETn0
16 
17 
18 
19 
20
GND 
PRSNT2# 
GND 
PETp1 
PETn1
21 
22 
23 
24 
25
GND 
GND 
PETp2 
PETn2 
GND
26 
27 
28 
29 
30
GND 
PETp3 
PETn3 
GND
RSVD
31 
32 
33 
34 
35
PRSNT2# 
GND 
PETp4 
PETn4 
GND
36 
37 
38 
39 
40
GND 
PETp5 
PETn5 
GND 
GND
41 
42 
43 
44 
45
PETp6 
PRTn6 
GND 
GND 
PETp7
46 
47 
48 
49 
50
PETn7 
GND 
PRSNT2# 
GND 
PETp8
51 
52 
53 
54 
55
PETn8 
GND 
GND 
PETp9 
PETn9
56 
57 
58 
59 
60
GND 
GND 
PETp10 
PETn10 
GND
61 
62 
63 
64 
65
GND 
PETp11 
PETn11 
GND 
GND
66 
67 
68 
69 
70
PETp12 
PETn12 
GND 
GND 
PETp13
71 
72 
73 
74 
75
PETn13 
GND 
GND 
PETp14 
PETn14
76 
77 
78 
79 
80
GND 
GND 
PETp15 
PETn15 
GND
81 
82
PRSNT2# 
RSVD
Notes: 
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 1-82
PCI Express 
x1, x4, x8, and x16 PCI Express Connector










