Technical Reference Guide
Chapter 7
POWER and SIGNAL
DISTRIBUTION
7.Chapter 7 POWER SUPPLY AND DISTRIBUTION
7.1INTRODUCTION
This chapter describes the power supply and method of general power and signal distribution. Topics covered in this chapter include:
♦ Power supply assembly/control (7.2) | page | |
♦ | Power distribution (7.3) | page |
♦ | Signal distribution (7.4) | page |
7.2POWER SUPPLY ASSEMBLY/CONTROL
These systems features a power supply assembly that is controlled through programmable logic (Figure
Front Bezel
Power On/Off
Power On
System Board
CPU, Slots, Chipsets, Logic
& Voltage Regulators
Mains
110/230 VAC
PS | Fan | Fan | +5 | +12.8 |
On | Sink | Cmd | AUX | Vcpu |
+5 VDC | +5 VDC |
|
110/220 Select Switch
Power Supply
Assembly
+12 VDC | Drives |
+12 VDC | |
|
Figure 7-1. Power Distribution and Control, Block Diagram
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003