HP Compaq dc7100 SFF User Manual

Technical Reference Guide 361834-001 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 SFF Specifications

General

Processor Speed	Up to 3.8 GHz
Graphics	Integrated Intel Graphics Media Accelerator 900
Audio	Integrated AC'97 audio
Form Factor	Small Form Factor (SFF)
Power Supply	240W
Processor	Intel Pentium 4
Chipset	Intel 915G Express
Memory	Up to 4 GB DDR
Storage	40 GB to 160 GB HDD
Optical Drive	CD-ROM or DVD-ROM
Network	Integrated Intel Gigabit Ethernet
Expansion Slots	1 PCI Express x16
Ports	USB 2.0, serial, parallel, VGA
Operating System	Windows XP Professional