Signal Distribution; System Board - HP Compaq d330 DT Technical Reference Manual

7.4

SIGNAL DISTRIBUTION

Figures 7-6 and 7-7 shows general signal distribution between the main subassemblies of the
system units.
CPU
Fan
Audio
Fan
PWR
Conn. Conn.
P70
System
Board
(PCA # 332935-001)
N OTES:
[1] See Figure 7-7 for header pinout.
Figure 7-6. USDT Form Factor Signal Distribution Diagram
P6
Conn.
Pwr Btn, Pwr/HD LED
P5 [1]
Conn.
+5, 12 Vcpu
P3
3/5/12 VDC, 3/5AUX
Conn.
P1
IDE
Data, Cntl
Pri. IDE
Conn. P20
IDE I/F,
Diskette I/F
CD Audio
Multibay
Conn. P21
USB Port
USB Port
Mic In, HP Out Audio
Conn.
P23
USB 4, 5 I/F
Conn.
P24
hp compaq d330 and d530 Series of Personal Computers
First Edition - June 2003
Technical Reference Guide
Power On
Power
Supply
Assembly
Fan Cntrl., PS On
5, 12 VDC
IDE
Hard Drive
,
Multibay
Daughter
Board
Mouse
Keyboard
CD-ROM
Front
Panel
I/O Module
Featuring the Intel Pentium 4 Processor
Power On/Off
HD Activity
5, 12 VDC
7-11