Chapter 7 Power and Signal Distribution
Figure 7-3 show the power supply cabling for the Small Form Factor systems.
Pin 2
Pin 9
Pin 10
er Supply
(PN 308439)
Conn.
Pin 1
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
P1
+3.3 +3.3 RTN +5 R
+5 RTN POK
+5
ux +12
TN
A
P1 [1]
+3.3
-12
RTN
RTN
RTN
Open
+5
+5
PS On
RTN
P2 +5
GND
GND
+12
P3, P5
+12
+3.3
GND
+5
GND
P4, 7, 8
GND
+5
+12
GND
P6 GND
GND
+12.8
+12.8
P9
FS
FC
DC
.
ground)
sense
POK = Power OK (power good)
[1] This row represents pins 8 - 14 of connector P1.
Figure 7-3.
SFF Power Cable Diagram
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
P2
4 3 2 1
To
Drive
Assemblies
P1
System
Board
P8
P4
P3
P6
P9
P2
P5
P7
To
P3, P5
5 4 3 2 1
1 2 3 4
P4, P7, P8
P6
4 3
2
1
Pow
Assembly
P1
1
12
1
2
5
4
3
7
6
10
13
8
9
14
15
16
17
18
19
20
1
hp compaq d330 and d530 Series of Personal Computers
Featuring the Intel Pentium 4 Processor
First Edition - June 2003
7-8