Chapter 7 power supply and distribution, Introduction, Power supply assembly/control – HP D315 User Manual
Page 125: Chapter 7 power and signal distribution, 1 introduction, 2 power supply assembly/control
Technical Reference Guide
Chapter 7
POWER and SIGNAL
DISTRIBUTION
7.
Chapter 7 POWER SUPPLY AND DISTRIBUTION
7.1 INTRODUCTION
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 7-1
♦ Power distribution (7.3)
page 7-6
♦ Signal distribution (7.4)
page 7-10
7.2
POWER SUPPLY ASSEMBLY/CONTROL
These systems features a power supply assembly that is controlled through programmable logic
Figure 7-1).
(
P
-12 VDC
110/230 VAC
CPU, Slots, Chipsets, Logic
System Board
Front Bezel
+12 VDC
+12.8
Vcpu
110/220
Select
Switch
+5 VDC
Fan
md
C
Mains
Power On
Power On/Off
Fan
ink
S
PS
On
& Voltage Regulators
+5
AUX
-5 VDC
+12 VDC
+5 VDC
ower Supply
Assembly
Drives
igure 7-1. Power Distribution and Control, Block Diagram
F
Compaq D315 and hp d325 Personal Computers
Featuring the AMD Athlon XP Processor
Second Edition - April 2003
7-1