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Compaq iPAQ 1.2 Technical Reference Manual

Compaq iPAQ 1.2 Technical Reference Manual (186 pages)

iPAQ Series of Desktop Personal Computers

Brand: Compaq | Category: Desktop | Size: 1 MB

Table of Contents

Table of Contents
7
List of Figures
11
List of Tables
13
Chapter 1 Introduction

15
- About this Guide
  15
  - Using this Guide
    15
- Additional Information Sources
  16
- Model Numbering Convention
  16
- Serial Number
  16
- Notational Conventions
  17
  - Values
    17
  - Ranges
    17
  - Register Notation and Usage
    17
  - Bit Notation and Byte Values
    17
- Common Acronyms and Abbreviations
  18
Chapter 2 System Overview

23
- Introduction
  23
- Figure 2-1. Compaq Ipaq D
  23
- Features and Options
  24
  - Standard Features
    24
  - Options
    25
- Mechanical Design
  26
  - Cabinet Layouts
    26
  - Figure 2-2. Compaq Ipaq D
    26
  - Figure 2-3. Compaq Ipaq D
    27
  - Chassis Layouts
    28
  - Figure 2-4. Compaq Ipaq 1.0/1.2 D
    28
  - Figure 2-5. Compaq Ipaq 2.0 C
    29
  - System Board Layouts
    30
  - Figure 2-6. Compaq Ipaq 1.0/1.2 S
    30
  - Figure 2-7. Compaq Ipaq 2.0 S
    31
- System Architecture
  32
  - Ipaq 1.0/1.2 Architecture
    32
  - Figure 2-8. Compaq Ipaq 1.0/1.2 a
    33
  - Ipaq 2.0 Architecture
    34
  - Figure 2-9. Compaq Ipaq 2.0 a
    35
  - Processors
    36
  - Figure 2-10. Processora
    37
  - Chipset
    38
  - Support Components
    39
  - System Memory
    39
  - Mass Storage
    40
  - Serial and Parallel Interfaces
    40
  - Universal Serial Bus Interface
    40
  - Graphics Subsystem
    40
  - Audio Subsystem
    41
- Specifications
  41
Chapter 3 Processor/Memory Subsystem

45
- Introduction
  45
- Processor
  45
  - Figure 3-1. Processor /Memory
    45
  - Celeron Processor
    46
  - Figure 3-2. Celeron Processor
    46
  - Figure 3-3. Pentium III Processor
    47
  - Pentium III Processor
    47
  - Processor Upgrading
    48
- Memory Subsystem
  49
- Figure 3-4. System Memorym
  51
- Subsystem Configuration
  52
Chapter 4 System Support

53
- Introduction
  53
- Pci Bus Overview
  54
  - Pci Bus Transactions
    55
  - Figure 4-2. Configurationc
    56
  - Pci Sub-Busses
    57
  - Pci Configuration
    58
- System Resources
  59
  - Interrupts
    59
    
    Figure 4-4. Maskable Interrupt
    59
    
    Apic Mode
    60
    
    Non-Maskable Interrupts
    61
  - Direct Memory Access
    62
- System Clock Distribution
  63
- Real-Time Clock and Configuration Memory
  63
  - Figure 4-5. Configurationm
    63
  - Clearing Cmos
    64
  - Cmos Archive and Restore
    64
  - Standard Cmos Locations
    65
- System Management
  74
  - Security Functions
    74
  - Power Management
    75
  - System Status
    76
  - Temperature Sensing and Cooling
    77
- Register Map and Miscellaneous Functions
  78
  - System I/O Map
    78
  - 82801 Ich General Purpose Functions
    79
  - I/O Controller Functions
    80
  - 820802 Fwh Functions
    82
Chapter 5 Input/Output Interfaces

83
- Introduction
  83
- Enhanced Ide Interface
  83
  - Ide Programming
    83
  - Primary Ide Interface
    85
  - Secondary Ide Interface
    86
- Diskette Drive Interface
  87
- Serial Interface
  88
  - Interface
    88
  - Figure 5-3. Serial Interfacec
    88
  - Serial Test Interface
    89
  - Serial Interface Programming
    89
  - Figure 5-4. Serial Interfaceh
    89
- Parallel Interface
  91
- Keyboard/Pointing Device Interface
  97
- Universal Serial Bus Interface
  104
  - Usb Data Formats
    105
  - Usb Programming
    106
  - Usb Connector
    107
  - Usb Cable Data
    107
  - Figure 5-10. Universal Serial
    107
- Audio Subsystem
  108
  - Functional Analysis
    108
  - Figure 5-11. Audio Subsystem
    109
  - Ac97 Audio Controller
    110
  - Ac97 Link Bus
    110
  - Audio Codec
    111
  - Figure 5-13. Ad1881 or Ad1885 a
    111
  - Audio Programming
    112
  - Audio Specifications
    113
  - Table 5-21. Audio Subsystem
    113
- Network Interface Controller
  114
  - Figure 5-14. Network Interface
    114
  - Alert on Lan
    115
  - Wake on Lan
    115
  - Power Management Support
    116
  - Nic Programming
    117
  - Figure 5-15. Ethernet Tpe C
    118
Chapter 6 Graphics Subsystem

119
- Introduction
  119
  - Feature Summary
    119
- Functional Description
  120
  - Figure 6-1. Graphics Subsystem
    120
  - Display Modes
    122
  - Table 6-1. Graphics Displaym
    122
- Programming
  123
- Monitor Power Management Control
  123
- Table 6-2. Graphics Controller
  123
- Table 6-3. Monitor Powerm
  123
- Monitor Connector
  124
- Upgrading Graphics
  124
- Table 6-4. Db-15 Monitorc
  124
Chapter 7 Power Supply and Distribution

125
- Introduction
  125
- Power Supply Assembly/Control
  125
  - Figure 7-1. Power Distribution and
    125
  - Power Supply Assembly
    126
  - Power Control
    127
- Power Distribution
  128
  - 5/12 VDC Distribution
    128
  - Low Voltage Distribution
    130
- Signal Distribution
  131
- Figure 7-6. System Boardh
  133
Chapter 8 Bios Rom

135
- Introduction
  135
- Ipaq 2.0 Features
  136
- Desktop Management Support
  137
  - Table 8-1. Desktop Management
    137
  - System ID
    138
  - Drive Fault Prediction
    139
  - Edid Retrieve
    139
  - System Map Retrieval
    140
  - Flash Rom Functions
    141
  - Power Button Functions
    141
  - Accessing Cmos
    142
  - Accessing Cmos Feature Bits
    142
  - Security Functions
    144
- Memory Detection and Configuration
  145
- Pnp Support
  146
  - Table 8-3. Pnp BIOS Functions
    146
  - Smbios
    147
- Power Management Functions
  148
  - Independent Pm Support
    148
  - Acpi Support
    149
  - Apm 1.2 Support
    149
- Usb Legacy Support
  151
- Bios Upgrading
  152
Appendix Aerror MESSAGES and CODES

153
- Introduction
  153
- Beep/Keyboard Led Codes
  153
- Table A-1. Beep /Keyboard
  153
  - A.1 Introduction
    153
  - A.2 Beep/Keyboard Led Codes
    153
- Power-On Self Test (Post) Messages
  154
- Table A-2. Power -O N Selft
  154
- System Error Messages (1 XX - XX A.5. Memory Error Messages (2 XX - XX
  155
- Table A-3. System Errorm
  155
- Keyboard Error Messages
  156
- Table A-4. Memory Errorm
  156
- Table A-5. Keyboard Error
  156
- A.6 Keyboard Error Messages (30 X - XX )
  156
- Printer Error Messages
  157
- Video (Graphics) Error Messages
  157
- Table A-6. Printer Errorm
  157
- Table A-7. Video (Graphics ) E
  157
- Diskette Drive Error Messages
  158
- Serial Interface Error Messages
  158
- Table A-8. Diskette Drivee
  158
- Table A-9. Serial Interface
  158
- A.10 Serial Interface Error Messages (11 XX - XX )
  158
- Modem Communications Error Messages
  159
- Table A-10. Serial Interface
  159
- A.11 Modem Communications Error Messages (12 XX - XX )
  159
- System Status Error Messages
  160
- Hard Drive Error Messages
  160
- Table A-11. System Statuse
  160
- Table A-12. Hard Drive Error
  160
  - A.12 System Status Error Messages (16 XX - XX )
    160
  - A.13 Hard Drive Error Messages (17 XX - XX )
    160
- Hard Drive Error Messages
  161
- Video (Graphics) Error Messages
  161
- Table A-14. Video
  161
  - A.14 Hard Drive Error Messages (19 XX - XX )
    161
  - A.15 Video (Graphics) Error Messages (24 XX - XX )
    161
- Audio Error Messages (3206- XX
  162
- DVD/CD-Rom Error Messages
  162
- Network Interface Error Messages
  162
- Table A-15. Audio Errorm
  162
- Table A-16. DVD/CD-Rom D
  162
- Table A-17. Network Interface
  162
  - A.17 DVD/CD-Rom Error Messages (33 XX - XX )
    162
  - A.18 Network Interface Error Messages (60 XX - XX )
    162
- Scsi Interface Error Messages
  163
- A.19 Scsi Interface Error Messages (65 XX - XX , 66 XX - XX , 67 XX - XX )
  163
- Pointing Device Interface Error Messages (8601- XX
  163
- Table A-18. Scsi Interfacee
  163
- Table A-19. Pointing Device
  163
Appendix Bascii CHARACTER SET

165
- Introduction
  165
- Figure B-1. Ascii Character
  165
- B.1 Introduction
  165
Appendix C Keyboard

167
- Introduction
  167
- C.1 Introduction
  167
- Keystroke Processing
  168
  - C.2 Keystroke Processing
    168
  - Figure C-1. Keystrokep
    168
  - Figure C-2. Ps/2 Keyboard -T
    169
  - Ps/2-Type Keyboard Transmissions
    169
  - Usb-Type Keyboard Transmissions
    170
  - C.2.3 Keyboard Layouts
    171
  - Figure C-3. U.s. English
    171
  - Figure C-4. National
    171
  - Keyboard Layouts
    171
  - Figure C-5. U.s. Englishw
    172
  - Figure C-6. National Windows
    172
  - Figure C-7. 7-Button Easya
    173
  - Figure C-8. 8-Button Easya
    173
  - C.2.4 Keys
    174
  - Keys
    174
    
    C.2.5 Keyboard Commands
    177
    
    C.2.6 Scan Codes
    177
  - Keyboard Commands
    177
  - Scan Codes
    177
  - Table C-1. Keyboard - to -System
    177
  - Table C-2. Keyboard Scanc
    178
- Connectors
  182
- Figure C-9. Ps/2 Keyboardc
  182
- Figure C-10. Usb Keyboard
  182
- C.3 Connectors
  182

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