Compaq Deskpro EN Series manuali

Compaq Deskpro EN Series Manuale Utente (237 pagine)

Marchio: Compaq | Categoria: Schede madri | Dimensione: 0.99 MB |

Inglese

Indice

Technical

1

Reference

1

and Minitower Form Factors

2

Reader Feedback

3

Technical Reference Guide

5

TABLE OF CONTENTS

6

Third Edition–- September1998

7

LIST OF FIGURES

11

LIST OF TABLES

13

Chapter 1

16

INTRODUCTION

16

Continued

18

Chapter 2

22

SYSTEM OVERVIEW

22

2.2 FEATURES AND OPTIONS

23

2.2.1 STANDARD FEATURES

23

2.2.2 OPTIONS

24

2.3 MECHANICAL DESIGN

25

2.3.1 CABINET LAYOUTS

25

2.3.2 CHASSIS LAYOUTS

27

2.3.3 BOARD LAYOUTS

29

2.4 SYSTEM ARCHITECTURE

31

2.4.1 PROCESSOR

33

2.4.2 SYSTEM MEMORY

34

2.4.3 SUPPORT CHIPSETS

34

2.4.4 MASS STORAGE

34

2.4.7 GRAPHICS SUBSYSTEM

35

2.4.8 AUDIO SUBSYSTEM

35

2.5 SPECIFICATIONS

36

Chapter 2 System Overview

39

Chapter 3

40

PROCESSOR/

40

MEMORY SUBSYSTEM

40

3.2.1 PROCESSOR

42

3.2.1.1 Pentium II Processor

42

3.2.1.2 Celeron Processor

43

3.2.2.1 BIOS Upgrading

44

3.2.3 SYSTEM MEMORY

45

Chapter 4

50

SYSTEM SUPPORT

50

4.2 PCI BUS OVERVIEW

51

4.2.1 PCI CONNECTOR

52

4.2.3 PCI BUS TRANSACTIONS

54

4.2.3.2 Configuration Cycles

54

4.2.5 PCI INTERRUPT MAPPING

58

4.2.7 PCI CONFIGURATION

59

4.3 AGP BUS OVERVIEW

60

4.3.1 BUS TRANSACTIONS

60

4.3.1.1 Data Request

61

4.3.1.2 Data Transfers

61

AGP 2X Transfers

62

AGP 4X Transfers

62

4.3.2 AGP CONFIGURATION

63

4.3.3 AGP CONNECTOR

64

4.4 ISA BUS OVERVIEW

65

4.4.1 ISA CONNECTOR

66

4.4.2 ISA BUS TRANSACTIONS

67

4.4.3 DIRECT MEMORY ACCESS

69

4.4.3.1 Page Registers

70

4.4.4 INTERRUPTS

72

4.4.4.1 Maskable Interrupts

72

NMI- Generation

74

SMI- Generation

75

4.4.5 INTERVAL TIMER

76

4.4.6 ISA CONFIGURATION

76

4.7.1 SYSTEM I/O MAP

95

4.7.2 GPIO UTILIZATION

96

87307 GPIO Utilization

99

4.8.2 PASSWORD PROTECTION

101

4.8.3 I/O SECURITY

102

4.8.4 USER SECURITY

102

4.8.5 TEMPERATURE SENSING

103

4.8.6 SMART COVER LOCK

104

4.8.8.2 Fan Control

105

4.8.8 POWER MANAGEMENT

105

4.8.8.1 Power Button

105

Chapter 4 System Support

107

Chapter 5

108

INPUT/OUTPUT INTERFACES

108

5.2.2 IDE CONNECTOR

115

5.3 DISKETTE DRIVE INTERFACE

116

5.4 SERIAL INTERFACES

121

5.4.1 RS-232 INTERFACE

121

5.5 PARALLEL INTERFACE

127

5.6.3.1 8042 Configuration

136

5.6.3.2 8042 Control

137

Continued

138

(Continued)

139

1 DATA Data 4 + 5 VDC Power

140

5.7.2 USB CONFIGURATION

141

5.7.3 USB CONTROL

142

5.7.4 USB CONNECTOR

142

Chapter 6

144

AUDIO SUBSYSTEM

144

6.2 FUNCTIONAL DESCRIPTION

145

6.2.1 PCM AUDIO PROCESSING

147

6.2.1.1 ADC Operation

147

6.2.1.2 DAC Operation

148

6.2.1.4 PCM Bus Cycles

149

6.3 PROGRAMMING

151

6.3.1 CONFIGURATION

151

6.3.2 CONTROL

152

6.3.2.1 PCM Control

152

FM Synthesis Control

153

6.4 SPECIFICATIONS

154

Chapter 6 Audio Subsystem

155

Chapter 7

156

POWER and SIGNAL

156

DISTRIBUTION

156

POWER SUPPLY ASSEMBLY

157

7.2.2 POWER CONTROL

158

7.2.2.1 Power Button

158

7.2.2.3 PS On Control Select

159

7.2.2.4 Wake Up Events

159

7.3 POWER DISTRIBUTION

160

7.4 SIGNAL DISTRIBUTION

162

Chapter 8

164

BIOS ROM

164

8.2 BOOT/RESET FUNCTIONS

165

8.2.1 BOOT BLOCK

165

8.2.2 QUICKBOOT

165

8.2.3 SILENTBOOT

165

8.2.4 RESET

165

8.4.1 SYSTEM ID

169

Technical Reference Guide

170

Chapter 8 BIOS ROM

171

8.4.3 EDID RETRIEVE

176

8.4.4 DRIVE FAULT PREDICTION

176

8.4.5 SYSTEM MAP RETRIEVAL

177

8.4.6 FLASH ROM FUNCTIONS

178

8.4.7 POWER BUTTON FUNCTIONS

178

8.4.8 ACCESSING CMOS

179

8.4.10 SECURITY FUNCTIONS

181

8.5 PNP SUPPORT

182

8.5.1 SMBIOS

183

8.6.1 INDEPENDENT PM SUPPORT

184

8.6.2 ACPI SUPPORT

184

8.6.3 APM SUPPORT

185

8.7 USB LEGACY SUPPORT

187

8.8 BIOS UPGRADING

187

Appendix A

188

ERROR MESSAGES AND CODES

188

Appendix B

200

ASCII CHARACTER SET

200

Appendix C

202

KEYBOARD

202

C.2 KEYSTROKE PROCESSING

203

C.2.2 KEYBOARD LAYOUTS

205

C.2.3 KEYS

207

Change –- April 1998

208

C.2.3.3 Windows Keystrokes

209

C.2.4 KEYBOARD COMMANDS

210

C.2.5 SCAN CODES

210

Appendix D

214

COMPAQ 10/100 TX PCI INTEL

214

WOL UTP CONTROLLER CARD

214

D.2 FUNCTIONAL DESCRIPTION

215

D.2.1 STATUS INDICATORS

215

D.2.3 82558 CONTROLLER

216

D.2.2 CARD POWER AND CLOCK

216

D.2.4.1 APM Environment

217

D.2.4.2 ACPI Environment

217

D.3 CONFIGURATION/CONTROL

218

D.4 RJ-45 CONNECTOR

218

D.5 SPECIFICATIONS

218

Compaq Personal Computers

219

Appendix E

220

WIDE ULTRA SCSI HOST ADAPTER

220

E.2 FUNCTIONAL DESCRIPTION

221

E.3 SCSI ADAPTER PROGRAMMING

222

E.3.2 SCSI ADAPTER CONTROL

222

E.4 SPECIFCATIONS

222

E.5 USER GUIDELINES

223

E.6 SCSI CONNECTORS

224

Appendix F

226

F.2 FUNCTIONAL DESCRIPTION

227

F.3 DISPLAY MODES

229

F.4 PROGRAMMING

230

F.4.1 CONFIGURATION

230

F.4.2 CONTROL

230

F.4.2.1 Standard VGA Modes

230

F.4.2.2 Extended VGA Modes

230

F.6 CONNECTORS

231

F.6.2 MONITOR CONNECTOR

232

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