HP Compaq d330 DT Technical Reference Manual page 139

Chapter 7 Power and Signal Distribution
Figure 7-3 show the power supply cabling for the Small Form Factor systems.
Pow er Supply
Assembly
(PN 308439)
Conn. Pin 1
P1 +3.3
P1 [1] +3.3
P2 +5
P3, P5 +3.3
P4, 7, 8 +12
P6 GND
P9 FS
Connectors not shown to scale.
All + and - values are V
RTN = Return (signal
GND = Power ground
RS = Remote
FC = Fan command
FO = Fan off
FSpd = Fan speed
FS = Fan Sink
POK = Power OK (power good)
[1] This row represents pins 8 - 14 of connector P1.
Figure 7-3. SFF Power Cable Diagram
7-8 hp compaq d330 and d530 Series of Personal Computers
Featuring the Intel Pentium 4 Processor
P5 P7
P3
Pin 2 Pin 3 Pin 4
+3.3 RTN +5
-12 RTN PS On
GND GND +12
GND +5 GND
GND GND +5
GND +12.8 +12.8
FC
.
DC
ground)
sense
First Edition - June 2003
P8
P4
To
Drive
Assemblies
P2
P9
P6
To
System
Board
P1
1 1
1
Pin 5 Pin 6 Pin 7
R TN +5 RTN
RTN RTN RTN
+12
P3, P5
5 4 3 2 1
P4, P7, P8
1 2
P2
P6
4 3 2 1
2
4
P1
12 13 14 15 16 17 18 19 20
2 3 4 5 6 7 8 9 10
Pin 8 Pin 9 Pin 10
POK +5 ux A
Open +5
3 4
1
3
+12
+5