Compaq deskpro en series Manual De Usuario

Technical Reference Guide

Compaq Deskpro EN Series of Personal Computers

Desktop and Minitower Form Factors

Third Edition - September 1998

iii

TABLE OF CONTENTS

CHAPTER 1 INTRODUCTION.............................................................................................................

1.1

ABOUT THIS GUIDE ........................................................................................................... 1-1

1.1.1

USING THIS GUIDE ..................................................................................................... 1-1

1.1.2

ADDITIONAL INFORMATION SOURCES.................................................................. 1-1

1.2

NOTATIONAL CONVENTIONS.......................................................................................... 1-2

1.2.1

VALUES........................................................................................................................ 1-2

1.2.2

RANGES........................................................................................................................ 1-2

1.2.3

SIGNAL LABELS.......................................................................................................... 1-2

1.2.4

1.2.5

BIT NOTATION ............................................................................................................ 1-2

1.3

COMMON ACRONYMS AND ABBREVIATIONS.............................................................. 1-3

CHAPTER 2 SYSTEM OVERVIEW.....................................................................................................

2.1

INTRODUCTION.................................................................................................................. 2-1

2.2

FEATURES AND OPTIONS ................................................................................................. 2-2

2.2.1

STANDARD FEATURES .............................................................................................. 2-2

2.2.2

OPTIONS....................................................................................................................... 2-3

2.3

MECHANICAL DESIGN ...................................................................................................... 2-4

2.3.1

CABINET LAYOUTS.................................................................................................... 2-4

2.3.2

CHASSIS LAYOUTS..................................................................................................... 2-6

2.3.3

BOARD LAYOUTS ....................................................................................................... 2-8

2.4

SYSTEM ARCHITECTURE................................................................................................ 2-10

2.4.1

PROCESSOR ............................................................................................................... 2-12

2.4.2

SYSTEM MEMORY.................................................................................................... 2-13

2.4.3

SUPPORT CHIPSET .................................................................................................... 2-13

2.4.4

MASS STORAGE ........................................................................................................ 2-13

2.4.5

SERIAL AND PARALLEL INTERFACES .................................................................. 2-14

2.4.6

UNIVERSAL SERIAL BUS INTERFACE ................................................................... 2-14

2.4.7

GRAPHICS SUBSYSTEM ........................................................................................... 2-14

2.4.8

AUDIO SUBSYSTEM ................................................................................................. 2-14

2.5

SPECIFICATIONS .............................................................................................................. 2-15

CHAPTER 3 PROCESSOR/MEMORY SUBSYSTEM ........................................................................

3.1

INTRODUCTION.................................................................................................................. 3-1

3.2

PROCESSOR/MEMORY SUBSYSTEM .............................................................................. 3-2

3.2.1

PROCESSOR ................................................................................................................. 3-3

3.2.2

PROCESSOR CHANGING/UPGRADING..................................................................... 3-5

3.2.3

SYSTEM MEMORY...................................................................................................... 3-6

3.2.4

SUBSYSTEM CONFIGURATION................................................................................. 3-9