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Technical Reference Guide
Compaq Deskpro EN Series of Personal Computers
Desktop and Minitower Form Factors
Third Edition - September 1998
1-1
Chapter 1
INTRODUCTION
1.
Chapter 1 INTRODUCTION
1.1
ABOUT THIS GUIDE
This guide provides technical information about the Compaq Deskpro EN Series of Personal
Computers in desktop and minitower form factors. This document includes information
regarding system design, function, and features that can be used by programmers, engineers,
technicians, and system administrators.
This and other support documentation is available online and can be downloaded in .PDF format
from the following WEB site: http://www.compaq.com/support/index.htm.
1.1.1
USING THIS GUIDE
This guide consists of chapters and appendices. The chapters primarily describe the hardware
and firmware elements contained within the chassis and specifically deal with the system board
and the power supply assembly. The appendices contain general information about standard
peripheral devices such as the keyboard as well as separate audio or other interface cards, as well
as other general information in tabular format.
1.1.2
ADDITIONAL INFORMATION SOURCES
This guide does not describe in detail other manufacturer’s components used in the product
covered. For more information on individual commercial-off-the-shelf (COTS) components refer
to the indicated manufacturers’ documentation. The products covered by this guide use
architecture based on industry-standard specifications that can be referenced for detailed
information.
Hardcopy documentation sources:
♦ The Lotus/Intel/Microsoft Expanded Memory Specification, Ver. 4.0
♦ PCI Local Bus Specification Revision 2.1
Online information sources:
♦ Compaq Computer Corporation: http://www.compaq.com
♦ Intel Corporation: http://www.intel.com
♦ National Semiconductor Incorporated: http://www.national.com
♦ ATI Incorporated: http://www.atitech.com