Main
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NOTICE
Technical Reference Guide
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TABLE OF CONTENTS
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Technical Reference Guide
viii
Compaq iPAQ Family of Internet Devices
LIST OF FIGURES
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Technical Reference Guide
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Compaq iPAQ Family of Internet Devices
LIST OF TABLES
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Chapter 1 INTRODUCTION
1. Chapter 1 INTRODUCTION 1.1 ABOUT THIS GUIDE
1.1.1 USING THIS GU IDE
1.1.2 ADDITIONAL INFORMATION SOURCES
1.2 MODEL NUMBERING CONVENTION
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1-3
1.4 COMMON ACRONYMS AND ABBREVIATIONS
Chapter 1 Introduction
1-4
Compaq iPAQ Family of Internet Devices
Table 1-1. Acronyms and Abbreviations
1-5
Table 1-1. Acronyms and Abbreviations
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1-7
Table 1-1. Acronyms and Abbreviations
Chapter 2 SYSTEM OVERVIEW
2. Chapter 2 SYSTEM OVERVIEW 2.1 INTRODUCTION
2.2 F EATURES AND OPTIONS
2.2.1 STANDARD FEATURES
2.2.2 OPTIONS
2.3 MECHANICAL DESIGN
2.3.1 CABINET LAYOUTS 2.3.1.1 Front View
2-5
2.3.1.2 Rear Views
Legacy-FreeLegacy-Light
Figure 23. Compaq iPAQ Internet Device, Rear Views
2.3.2 CHASSIS LAYOUT
2-7
2.3.3 SYSTEM BOARD LAYOUTS
Figure 25. Compaq iPAQ System Board Layouts
2.4 SYSTEM ARCHITECTURE
2-9
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Figure 26. Compaq iPAQ Architecture, Block diagra m
2.4.1 PROCESSORS
2.4.1.1 Celeron Processor
2.4.1.2 Pent ium III Processor
2.4.1.3 Processor Upgrading
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2.4.2 CHIPSET
2.4.3 SUPPORT COMPONENT S
2.4.4 SYSTEM MEMORY
2.4.5 MASS STORAGE
2.4.6 SERIAL AND PARALLEL INTERFACES
2.4.7 UNIVERSAL SERIAL BUS INTERFACE
2.4.8 GRAPHICS SUBSYSTEM
2.4.9 AUDIO SUBSYSTEM
2.5 SPECIFICATIONS
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2-17
Table 2-10. Hard Drive Specifi cations Table 2-10. Hard Drive Specifications
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Chapter 3 PROCESSOR/ MEMORY SUBSYSTEM
3. Chapter 3 PROCESSOR/MEMORY SUBSYSTEM 3.1 INTRODUCTION
3.2 PROCESSOR
3.2.1 CELERON PROCESSOR
3.2.2 PENTIUM III PROC ESSOR
3.2.3 PROCESSOR UPGRADING
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3.3 MEMORY SUBSYSTEM
Chapter 3 Processor/Memory Subsystem
3-6
Compaq iPAQ Family of Internet Devices
3-7
Figure 3-4 shows the system memory map.
Figure 34. System Memory Map
3.4 SUBSYSTEM CONFIGURATION
Chapter 4 SYSTEM SUPPORT
4. Chapter 4 SYSTEM SUPPORT 4.1 INTRODUCTION
4.2 PCI BUS OVERVIEW
4.2.1 PCI BUS TRANSACTIONS
4.2.1.1 I/O and Memory Cycles
4.2.1.2 Configuration Cycles
Chapter 4 System Support
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4.2.2 PCI INTERRUPT MAPPING
4.2.3 PCI POWER MANAGEMENT SUPPORT
4.2.4 PCI SUB-BUSSES
4.2.4.1 Hub Link Bus
4.2.4.2 LPC Bus
4.2.5 PCI CONFIGURATION
4.3 AGP BUS OVERVIEW
4.3.1 BUS TRANSACTIONS
4.3.1.1 Data Request
4.3.1.2 Data Transfers
AGP 1X Transfers
AGP 2X Transfers
4.3.2 AGP CONFIGURATION
4.4 INTERRUPTS
4.4.1 MASKABLE INTERRUPTS
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4.4.2 NON-MASKABLE INTERRUPTS
4.4.2.1 NMI- Generation
4.4.2.2 SMI- Generation
4.5 INTERVAL TIMER
4.6 SYST EM CLOCK DISTRIBUTION
4.7 REAL-T IME CLOCK AND CONFIGURATION MEMORY
4.7.1 CMOS ARCHIVE
4.7.2 STANDARD CMOS LOCATIONS
4-19
RTC Control Register A, Byte 0Ah
RTC Control Register B, Byte 0Bh
RTC Status Register C, Byte 0Ch
RTC Status Register D, Byte 0Dh
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4-23
Configuration Byte 26h, Auxiliary Peripheral Configuration
Configuration Byte 27h, Speed Control/External Drive
Configuration Byte 28h, Expanded and Base Memory, IRQ12 Select
Chapter 4 System Support
4-24
Configuration Byte 29h, Miscellaneous Configuration Data
Configuration Byte 2Ah, Hard Drive Timeout
Configuration Byte 2Bh, System Inact ivity Timeout
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4.7.3 CMOS FEATURE BITS
4.8 SYSTEM MANAGEMENT
4.8.1 SECURITY FUNCTIONS
4.8.1.1 System Passwords
Setup Password
Power On Password
4.8.1.2 DriveLock Passwords
4.8.2 POWER MANAGEMENT
4.8.3 THERMAL SENSING AND COOLING
4-29
4.9 SYSTEM I/O MAP
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Chapter 5 INPUT/OUTPUT I NTERFACES
5. Chapter 5 INPUT/OUTPUT INTERFACES 5.1 INTRODUCTION
5.2 ENHANCED IDE INTERFACE
5.2.1 IDE PROGRAMMING
5.2.1.1 IDE Configuration Registers
5.2.1.2 IDE Bus Master Control Registers
5.2.2 IDE CONNECTOR
5.3 DISKET TE DRIVE INTERFACE
5.4 SERIAL IN TERFACE
5.4.1 RS-232 INTERFACE
5.4.2 SERIAL TEST INTERFACE
5.4.3 SERIAL INTERFACE PROGRAMMING
5.4.3.1 Serial Interface Configuration
5.4.3.2 Serial Interface Control
5-7
Table 57. Serial Interface Control Registers Table 5-7. Serial Interface Control Registers
5.5 PARALLEL INTERFACE
5.5.1 STANDARD PARALLEL PORT MODE
5.5.2 ENHANCED PARALLEL PORT MODE
5.5.3 EXTENDED CAPABILITIES PORT MODE
5.5.4 PARALLEL INTERFACE PROGRAMMING
5.5.4.1 Parallel Interface Configuration
5.5.4.2 Parallel Interface Control
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5.5.5 PARALLEL INTERFACE CONNECTOR
5.6 KEYBOARD/POINTING DEVICE INTERFACE
5.6.1 KEYBOARD INTERFACE OPERATION
Chapter 5 Input/Output Interfaces
5-16 Compaq iPAQ Family of Internet Devices
5.6.2 POINTING DEVICE INTERFACE OPERATION
5.6.3 KEYBOARD/POINTING DEVICE INTERFACE PROGRAMMING
5.6.3.1 8042 Configuration
5.6.3.2 8042 Control
5-19
Chapter 5 Input/Output Interfaces
5-20 Compaq iPAQ Family of Internet Devices
Table 5-13. CPU Commands To The 8042
5.6.4 KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR
5.7 UNIVERSAL SERIAL BUS INTERFACE
5.7.1 USB DATA FORMATS
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5.7.2 USB PROGRAMMING
5.7.2.1 USB Configuration
5.7.2.2 USB Control
5.7.3 USB CONNECTOR
5.7.4 USB CABLE DATA
5.8 AUDIO SUBSYSTEM
5.8.1 FUNCTIONAL ANALYSIS
5-27
5.8.2 AC97 AUDIO CONTROLLER
5.8.3 AC97 LINK BUS
5.8.4 AUDIO CODEC
5.8.5 AUDIO PROGRAMMING
5.8.5.1 Audio Configuration
5.8.5.2 Audio Control
5.8.6 AUDIO SPECIFICATIONS
5.9 NET WORK INTERFACE CONTROLLER
5.9.1 WAKE ON LAN
5.9.2 ALERT ON LAN
5.9.3 POWER MANAGEMENT SUPPORT
5.9.3.1 APM Environment
5.9.3.2 ACPI Environment
5.9.4 NIC PROGRAMMING
5.9.4.1 Configuration
5.9.4.2 Control
5.9.4.3 RJ-45 Connector
5.9.4.4 82559 NIC Specifications
Chapter 6 GRAPHICS SUBSYSTEM
6. Chapter 6 Graphics Subsystem 6.1 INTRODUCTION
6.2 FUNCTIONAL DESCRIPTION
6.2.1 FEATURE SUMMARY
6.3 DISPLAY MODES
6.4 UPGRADING
6.5 PROGRAMMING 6.5.1 CONFIGURATION
6.5.2 CONTROL 6.5.2.1 Standard VGA Modes
6.5.2.2 Extended VGA Modes
6.6 MONITOR POWER MANAGEMENT CONTROL
6.7 MONITOR CONNECTOR
Chapter 7 POWER and SIGNAL DISTRIBUTION
7. Chapter 7 POWER SUPPLY AND DISTRIBUTION 7.1 INTRODUCTION
7.2 PO WER SUPPLY ASSEMBLY/CONTROL
7.2.1 POWER SUPPLY ASSEMBLY
7.2.2 POWER CONTROL
7.2.2.1 Power Button Control
7.2.2.2 OS Power Control
7.3 POWER DISTRIBUTION 7.3.1 3.3/5/12 VDC DISTRIBUTION
7.3.2 LOW VOLTAGE DISTRIBUTION
7-5
7.4 SIGNAL DISTRIBUTION
Figure 73. Signal Distribution Diagram
Figures 7-4 shows general signal distribution between the main subassemblies of the system unit.
System Board
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Chapter 8 BIOS ROM
8. Chapter 8 BIOS ROM 8.1 INTRODUCTION
8.2 DESKT OP MANAGEMENT SUPPORT
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8.2.1 SYSTEM ID
8.2.2 SYSTEM INFORMATION TABLE
8.2.3 EDID RETRIEVE
8.2.4 DRIVE FAULT PREDICTION
8.2.5 SYSTEM MAP RETRIEVAL
8.2.6 FLASH ROM FUNCTIONS
8.2.7 POWER BUTTON FUNCTIONS
8.2.8 ACCESSING CMOS
8.2.9 ACCESSING CMOS FEATURE BITS
8-9
Table 8-2. CMOS Feature Bits Table 8-2. CMOS Feature Bits
8.2.10 SECURITY FUNCT IONS
8.3 MEMORY DETECT ION AND CONFIGURATION
8.4 PNP SUPPORT
8.4.1 SMBIOS
8.5 POWER MANAGEMENT FUNCTIONS
8.5.1 INDEPENDENT PM SUPPORT
8.5.2 ACPI SUPPORT
8.5.3 APM 1.2 SUPPORT
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8.6 USB L EGACY SUPPORT
8.7 BIOS UPGRADING
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Appendix A ERROR MESSAGES AND CODES
A. Appendix A ERROR MESSAGES AND CODES A.1 INTRODUCTION
A.2 POWER-ON MESSAGES
A.3 BEEP/KEYBOARD LED CODES
Compaq Personal Computers
A.4 POWER-ON SELF TEST (POST ) MESSAGES
Table A3. Power-On Self Test (POST) Messages Table A-3. Power-On Self Test (POST) Messages
A.5 PROCESSOR ERROR MESSAGES (1xx-xx)
Compaq Personal Computers
A-4
A.6 MEMORY ERROR MESSAGES (2xx-xx)
Table A5. Memory Error Messages Table A-5. Memory Error Messages
A.7 KEYBOARD ERROR MESSAGES (30x-xx)
Table A6. Keyboard Error Messages Table A-6. Keyboard Error Messages
A.8 PRINTER ERROR MESSAGES (4xx-xx)
A.9 VIDEO (GRAPHICS) ERROR MESSAGES (5xx-xx)
A.10 DISKETTE DRIVE ERROR MESSAGES (6xx-xx)
A.11 SERIAL INTERFACE ERROR MESSAGES (11xx-xx)
A-7
A.12 MODEM COMMUNICATIONS ERROR MESSAGES (12xx-xx)
Compaq Personal Computers
A-8
A.13 SYSTEM STATUS ERROR MESSAGES (16xx-xx)
Table A12. System Status Error Messages Table A-12. System Status Error Messages
A.14 HARD DRIVE ERROR MESSAGES (17xx-xx)
Table A13. Hard Drive Error Messages Table A-13. Hard Drive Error Messages
A-9
A.15 HARD DRIVE ERROR MESSAGES (19xx-xx)
Table A14. Hard Drive Error Messages Table A-14. Hard Drive Error Messages
A.16 VIDEO (GRAPHICS) ERROR MESSAGES (24xx-xx)
Table A15. Hard Drive Messages Table A-15. Video (Graphics) Error Messages
A.17 AUDIO ERROR MESSAGES (3206-xx)
A.18 DVD/CD-ROM ERROR MESSAGES (33xx-xx)
A.19 NETWORK INTERFACE ERROR MESSAGES (60xx-xx)
A.20 SCSI INTERFACE ERROR MESSAGES (65xx-xx, 66xx-xx, 67xx-xx)
A.21 POINTING DEVICE INTERFACE ERROR MESSAGES (8601-xx)
A.22 CEMM PRIVILEDGED OPS ERROR MESSAGES
A.23 CEMM EXCEPTION ERROR MESSAGES
Appendix B ASCII CHARACTER SET
B. B.1 INTRODUCTION
Appendix B ASCII Character Set
B-2
Table B-1. ASCII Code Set
Appendix C KEYBOARD
C. Appendix C KEYBOARD C.1 INTRODUCTION
C.2 KEYSTROKE PROCESSING
C.2.1 PS/2-TYPE KEYBOARD TRANSMISSIONS
C.2.2 USB-TYPE KEYBOARD TRANSMISSIONS
C-5
C.2.3 KEYBOARD LAYOUTS
Figure C4. National (102-Key) Keyboard Key Positions
C.2.3.1 Standard Enhanced Keyboards
Figure C3. U.S. English (101-Key) Keyboard Key Positions
Compaq Personal Computers
C.2.3.2 Windows Enhanced Keyboards
Figure C6. National Windows (102W-Key) Keyboard Key Positions
Figure C5. U.S. English Windows (101W-Key) Keyboard Key Positions
C.2.3.3 Easy Access Keyboards
C.2.4 KEYS
C.2.4.1 Special Single-Keystroke Functions
C.2.4.2 Multi-Keystroke Functions
C.2.4.3 Windows Keystrokes
C.2.4.4 Easy Access Keystrokes
C.2.5 KEYBOARD COMMANDS
C.2.6 SCAN CODES
Compaq Personal Computers
C-12
Table C2. Keyboard Scan Codes Table C-2. Keyboard Scan Codes
C-13
Table C-2. Keyboard Scan Codes
Compaq Personal Computers
C-14
Table C-2. Keyboard Scan Codes
C.3 CONNECTORS
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INDEX
I.
Appendix B ASCII Character Set