HP Compaq dc7100 SFF User Manual

Technical Reference Guide 361834-001 7-9
Power and Signal Distribution
Figure 7-3 shows the power supply cabling for the SFF/ST systems.
Connectors not shown to scale.
All + and - values are VDC.
RTN = Return (signal ground)
sns = sense
GND = Power ground
RS = Remote sense
FC = Fan command
FO = Fan off
FSpd = Fan speed
FS = Fan Sink
POK = Power OK (power good)
VccP = +12 for CPU
[1] This row represents pins 13–24 of connector P1
Figure 7-3. SFF/ST Power Cable Diagram
Conn Pin 1 Pin 2 Pin 3 Pin 4 Pin 5 Pin 6 Pin 7 Pin 8 Pin 9
Pin
10
Pin
11
Pin
12
P1 +5
aux
RTN + 5 +5 PS On RTN Pwr Gd +3.3 +3.3 Tach RTN Fan
P1 [1] +12 +5 sns RTN +5 +5 +3.3 RTN +3.3 sns +3.3 +3.3 RTN -12
P2 +5 RTN RTN +12
P3 RTN RTN RTN VccP VccP +12
P4, 5 +3.3 RTN +5 RTN +12
P6 +12 RTN RTN +5
Power Supply
349318
P1
P2
P3
P4
P5
P6
P1
13
1
12
P4, P5
24
1
23
4
1
23
4
5
1
2
34
P6
P3
P2

HP Compaq dc7100 SFF Specifications

General

Processor Speed	Up to 3.8 GHz
Graphics	Integrated Intel Graphics Media Accelerator 900
Audio	Integrated AC'97 audio
Form Factor	Small Form Factor (SFF)
Power Supply	240W
Processor	Intel Pentium 4
Chipset	Intel 915G Express
Memory	Up to 4 GB DDR
Storage	40 GB to 160 GB HDD
Optical Drive	CD-ROM or DVD-ROM
Network	Integrated Intel Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	USB 2.0, serial, parallel, VGA
Operating System	Windows XP Professional