Power And Signal Distribution; Introduction; Power Supply Assembly/Control - HP dx7300 Technical Reference Manual

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 7-8
■
Signal distribution (7.4) page 7-12
7.2

Power Supply Assembly/Control

These systems feature a power supply assembly that is controlled through programmable logic
(Figure 7-1).
Front Bezel
Power Button
Power On
90 - 264 VAC
NOTE:
[1] Not present on CMT.
Figure 7-1. Power Distribution and Control, Block Diagram
Technical Reference Guide

Power and Signal Distribution

System Board
CPU, slots, Chipsets, Logic,
& Voltage Regulators
+3.3 VDC 5 AUX
Fan
PS On
Spd [1]
Power Supply
Assembly
www.hp.com
+12 VDC +12 VccP
+5 VDC
7
-12 VDC
+3.3 VDC
+5 VDC
Drives
+12 VDC
7-1