HP dx7400 - Microtower PC User Manual

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+
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
126 Appendix A Connector Pin Assignments

HP dx7400 - Microtower PC Specifications

General

Memory	Up to 8 GB DDR2 SDRAM
Audio	Integrated High Definition Audio
Power Supply	300W
Processor	Intel Core 2 Duo, Pentium Dual-Core, or Celeron
Storage	SATA Hard Drive
Optical Drive	DVD-ROM, DVD+/-RW
Graphics	Integrated Intel Graphics Media Accelerator 3100
Networking	Integrated Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	1 serial, 1 parallel, audio in/out
Operating System	Windows XP Professional