Technical Reference Guide

7.4SIGNAL DISTRIBUTION

Figure 7-5 shows general signal distribution between the main subassemblies of the system units.

 

Chassis

 

 

 

 

 

 

 

Fan

CPU Fan

 

 

 

 

 

PCI NIC

 

 

Serial

 

 

 

 

Card

 

 

Conn.

 

 

 

 

PCI

Fan

Fan

TX Data,

 

 

Power On/Off

Bus

PWR

PWR

RX Data

Power On

PCI Slot

SYS

CPU

Serial

 

HD Activity

 

 

 

 

 

FAN

FAN

Header

 

 

 

 

 

Conn.

Conn.

 

Pwr Btn, Pwr/HD LED

 

 

 

 

F_P Conn.

 

 

 

 

 

 

JPW1 Conn.

12.8 Vcpu

 

 

 

 

 

 

 

 

 

 

 

 

JRW1

3/5/12 VDC, 5AUX

 

Power

 

 

 

 

PS On

 

 

 

Conn.

 

Supply

 

 

PWR_FAN

 

Fan CMD

Assembly

 

 

 

 

 

 

Fan Sink

 

 

 

 

 

 

Conn.

 

 

 

 

 

 

IDE

 

 

 

 

 

 

 

 

 

 

 

 

 

Pri.

Data, Cntl

IDE

5, 12 VDC

 

 

 

 

 

 

 

IDE Conn.

 

 

 

 

 

 

 

Hard Drive

 

 

 

 

 

 

 

 

 

System

 

 

Sec.

IDE I/F

CD-ROM

5, 12 VDC

Board

 

IDE Conn.

 

 

 

 

 

 

 

 

 

 

CD1

L/R Audio

 

 

 

 

 

 

Conn.

Dskt.

 

 

 

 

 

 

 

Diskette Drive

 

 

 

 

 

FDD1

Data, Cntl

5, 12 VDC

 

 

 

 

 

 

 

 

Conn.

 

 

 

 

 

 

 

Mouse

Mouse

 

 

 

 

 

Kybd.

 

 

 

 

 

 

 

Conn.

 

Keyboard

 

 

 

 

 

 

 

 

 

 

 

Spkr Conn.

 

 

Spkr Audio

 

 

 

 

 

 

 

 

 

Audio 1

Headphones/ Spkr Audio

Front Panel

 

 

 

Microphone In

 

 

 

Conn.

 

 

 

Audio/USB

 

 

 

 

 

 

 

PCI Slot Exp.

USB 4/5

USB Data

 

 

I/O Bd.

 

 

Assembly

Edge Connector

Conn.

 

 

 

 

 

 

 

 

 

 

 

NOTES:

Applies to both D315 and d325 models unless otherwise indicated. D315 models only.

d325 m odels only.

Figure 7-5. Signal Distribution Diagram

Compaq D315 and hp d325 Personal Computers 7-9

Featuring the AMD Athlon XP Processor

Second Edition - April 2003

Page 133
Image 133
HP D315 manual Signal Distribution, System, Board