HP Compaq dc7100 DT Technical Reference Guide

Technical Reference Guide 361834-002 7-1
7
Power and Signal 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 7-8
■ Signal distribution (7.4), page 7-13
7.2 Power Supply Assembly/Control
These systems feature a power supply assembly that is controlled through programmable logic
(Figure 7-1).
Figure 7-1. Power Distribution and Control, Block Diagram
System Board
Power Supply
Power On
CPU, slots, Chipsets, Logic,
Front Bezel
& Voltage Regulators
Assembly
Fan
PS On
+5 VDC
+12 VccP
Power Button
Spd
+12 VDC
-12 VDC
+3.3 VDC
Drives
+3.3 VDC
+5 VDC
+12 VDC
AC Select [1]
110 VAC
220 VAC
NOTE:
[1] 300-watt power supply only.

HP Compaq dc7100 DT Specifications

General

Processor Speed	Up to 3.8 GHz
Chipset	Intel 915G
Memory	Up to 4 GB DDR2 SDRAM
Operating System	Windows XP Professional
Form Factor	Desktop
Processor	Intel Pentium 4
Storage	40 GB to 160 GB SATA
Graphics	ATI Radeon X300 SE
Optical Drive	DVD-ROM
Audio	Integrated audio
Network	Integrated Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	1 Parallel, 1 Serial, 2 PS/2, 1 VGA