Power Distribution; 5/12 Vdc Distribution - HP Compaq d330 DT Technical Reference Manual

7.3

POWER DISTRIBUTION

7.3.1 3.3/5/12 VDC DISTRIBUTION

The power supply assembly includes a multi-connector cable assembly that routes +3.3 VDC, +5
VDC, +5 VDC STB, +12 VC, and -12 VDC to the system board as well as to the individual drive
assemblies. Figure 7-2 shows the power supply cabling for the Ultra Slim Desktop form factor.
Power Supply
Assembly
(PN 308446)
Conn. Pin 1 Pin 2
P1 GND NC
P2 +12 GND
P3 +12 GND
P4 JMPR JMPR
P5 +3.3 GND
NOTES:
Connectors not shown to scal
All + and – values are VDC
RTN = Return (signal g
GND = Power ground
RS = Remote
FO = Fan off
FSpd = Fan spe
FS = Fan Sink
FC = Fan Command
[1] This row represents pins 13 – 24 of connector P1.
F igure 7-2. USDT Power Cable Diagram
Pin 3 Pin 4 Pin 5
NC NC +3.3
GND +5 +12
GND +5
FS FC
+5 GND +12
e.
.
round)
sense
ed
hp compaq d330 and d530 Series of Personal Computers
First Edition - June 2003
P5
To
P2
Drive
Assemblies
P4
P3
To
System
Board
P1
Pin 6 Pin 7 Pin 8
GND PS On +5 Aux
GND GND +5
Featuring the Intel Pentium 4 Processor
Technical Reference Guide
P5
5 4 3 2 1
4 3 2
P2
1 2 3 4
5 6
1 2
P1
6 7 8 9 10
1 2 3 4 5
Pin 9 Pin 10
+12 -12
NC NC
P4
1
P3
7 8
3 4
7-7