Compaq W4000 8259 Mode , APIC Mode

Technical Reference Guide

he 8259 mode handles interrupts IRQ0-IRQ15 in the legacy (AT-system) method using 8259-

quivalent logic. Table 4-8 lists the standard source configuration for maskable interrupts and

t i

r)

able 4-8. Maskable Interrupt Priorities and Assignments

Table 4-8.

8259 Mode

T

e

orities in 8259 mode. If more than one interrupt is pending, the highest priority (lowest heir pr

numbe is processed first.

T

Maskable Interrupt Priorities and Assignments

Priority Signal Label Source (Typical)

1 IRQ0 Interval timer 1, counter 0

3 IRQ8- Real-time clock

2 IRQ1 Keyboard

4 IRQ9 Unused

5 IRQ10 PCI devices/slots

6 IRQ11 Audio codec

7 IRQ12 Mouse

8 IRQ13 Coprocessor (math)

9 IRQ14 Primary IDE controller

10 IRQ15 Secondary IDE I/F controller

11 IRQ3 Serial port (COM2)

12 IRQ4 Serial port (COM1)

13 IRQ5 Network interface controller

14 IRQ6 Diskette drive controller

15 IRQ7 Parallel port (LPT1)

-- IRQ2 NOT AVAILABLE (Cascade from interrupt controller 2)

) bus

rrupt priority

s (total of 24)

evices. The PCI interrupts are evenly distributed to minimize latency and wired as follows:

Int. Cntlr. Slot 1 Slot 2

APIC Mode

The Advanced Programmable Interrupt Controller (APIC) mode provides enhanced interrupt

processing with the following advantages:

Eliminates the processor’s interrupt acknowledge cycle by using a separate (APIC♦

♦ Programmable inte

Additional interrupt♦

he APIC mode accommodates eight PCI interrupt signals (INTA-..INTH-) for use by PCI T

d

ICH2 PCI PCI PCI PCI PCI

Slot 3 Slot 4 Slot 5

AGP

Slot

NIC

I/F [1]

USB

I/F #2

INTA- INTA- INTD- INTC- INTB- INTD- -- -- --

INTB- --

-- -- -- -- -- -- --

INTC- INTB- INTA- INTD- INTC- INTA- INTA- -- --

INTD- -- -- -- -- -- INTB- -- --

INTE- -- -- -- -- --- -- INTA- --

INTF- INTC- INTB- INTA- INTD- INTB- -- -- --

INTG- INTD- INTC- INTB- INTA- INTC- -- -- --

INTH- -- -- -- -- -- -- -- INTC-

NOTES:

[1] Connection internal to the ICH2. Will be reported by BIOS as using INTA but is NOT shared with

other functions using INTA.

Desktop and configurable minitower systems only.

Configurable minitower systems only.

Wired

to

Compaq Evo and Workstation Personal Computers

Featuring the Intel Pentium 4 Processor

Second Edition - January 2003

4-17

Contents

Main Technical Reference Guide For Covers Small Form Factor, Desktop, and Configurable Minitower Models Compaq Evo D300/D500 Personal Computers and W4000 Workstations Featuring the Page Evo D300/D500 Personal Computers and W4000 Workstations Page NOTICE Page TABLE OF CONTENTS Page Page Page Page Page Technical Reference Guide LIST OF FIGURES ix x Technical Reference Guide LIST OF TABLES xi xii Page Page Chapter 1 INTRODUCTION 1. Chapter 1 INTRODUCTION 1.1 ABOUT THIS GUIDE 1.1.1 ONLINE VIEWING 1.1.2 HARDCOPY 1.2 ADDITIONAL INFORMATION SOURCES 1.3 MODEL NUMBERING CONVENTION 1.4 SERIAL NUMBER 1.5 NOTATIONAL CONVENTIONS 1.5.1 VALUES 1.5.2 RANGES 1.5.3 REGISTER NOTATION AND USAGE 1.5.4 BIT NOTATION AND BYTE VALUES 1.6 COMMON ACRONYMS AND ABBREVIATIONS Technical Reference Guide Table 1-1. Acronyms and Abbreviations Continued Continued 1-5 Chapter 1 Introduction Table 1-1. Acronyms and Abbreviations Continued Continued 1-6 Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Technical Reference Guide Table 1-1. Acronyms and Abbreviations Continued Continued 1-7 Page Chapter 2 SYSTEM OVERVIEW 2. Chapter 2 SYSTEM OVERVIEW 2.1 INTRODUCTION 2.2 FEATURES 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 Views 2.3.1.2 Rear Views 2.3.2 CHASSIS LAYOUTS Page Page 2.3.3 BOARD LAYOUTS Page 2.4 SYSTEM ARCHITECTURE Page 2.4.1 INTEL PENTIUM 4 PROCESSOR 2.4.2 CHIPSET 2.4.3 SUPPORT COMPONENTS 2.4.4 SYSTEM MEMORY 2.4.5 MASS STORAGE 2.4.6 SERIAL AND PARALLEL INTERFACES 2.4.7 UNIVERSAL SERIAL BUS INTERFACE 2.4.9 GRAPHICS SUBSYSTEM 2.4.10 AUDIO SUBSYSTEM 2.5 SPECIFICATIONS Page Chapter 2 System Overview Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor 2-20 Table 2-9. Optical Drive Specifications Table 2-9. Optical Drive Specifications Table 2-10. Hard Drive Specifications Table 2-10. Hard Drive Specifications Chapter 3 PROCESSOR/ MEMORY SUBSYSTEM 3. Chapter 3 PROCESSOR/MEMORY SUBSYSTEM 3.1 INTRODUCTION 3.2 PENTIUM 4 PROCESSOR 3.2.1 PROCESSOR OVERVIEW Page 3.2.2 PROCESSOR UPGRADING ! 3.3 MEMORY SUBSYSTEM 3-6 Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Page 3.4 SUBSYSTEM CONFIGURATION Chapter 4 SYSTEM SUPPORT 4. Chapter 4 SYSTEM SUPPORT 4.1 INTRODUCTION 4.2 PCI BUS OVERVIEW Page PCI BUS TRANSACTIONS 4.2.1 4.2.1.1 I/O and Memory Cycles 4.2.1.2 Configuration Cycles Page Page RATION 4.2.2 PCI BUS MASTER ARBIT 4.2.3 OPTION ROM MAPPING 4.2.4 PCI INTERRUPTS 4.2.5 PCI POWER MANAGEMENT SUPPORT 4.2.6 P B 4.2.6.1 Hub Link Bus 4.2.7 PCI CONFIGURATION 4.2.8 PCI CONNECTOR 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 A 4X Tra GP nsfers 4.3.2 AGP CONFIGURATION .3.3 AGP CONNECTOR 4 4.4 4.4.1 I U 4.4.1.1 askab erru SYSTEM RESOURCES NTERR PTS 8259 Mode APIC Mode 4.4.1.2 MI- Generation Non-Maskable Interrupts N SMI- Generation 4.4.2 IRECT MEMORY ACCESS D 4.4.2.1 DMA Page Registers 4.4.2.2 trolle gi DMA Con r Re sters 4.5 SYSTEM CLOCK DISTRIBUTION 4.6 REAL-TIME CLOCK AND CONFIGURATION MEMORY 4.6.1 ARI CLE NG CMOS 4.6.2 CMOS ARCHIVE AND RESTORE STANDARD CMOS LOCATIONS 4.6.3 4.7 4.7.1 4.7.1.1 Power-On Password 4.7.1.2 Setup Password SYSTEM MANAGEMENT 4.7.1.3 Cable Lock Provision 4.7.1.4 I/O Interface Security .7.1.5 Chassis Security Cover Lock 4.7.2 POWER MANAGEMENT 4.7.3 SYSTEM STATUS RM EN AND COOLING 4.7.4 HE T AL S SING Page 4.8 REGISTER MAP AND MISCELLANEOUS FUNCTIONS 4.8.1 SYSTEM I/O MAP 4.8.2 LPC47B367 I/O CONTROLLER FUNCTIONS Page Chapter 5 INPUT/OUTPUT INTERFACES 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 DISKETTE DRIVE INTERFACE 5.3.1 DISKETTE DRIVE PROGRAMMING 5.3.1.1 Diskette Drive Interface Configuration 5.3.1.2 Diskette Drive Interface Control NOTE: The most recently written data rate value to either DRSR or CCR will be in effect. 5.3.2 DISKETTE DRIVE CONNECTOR 5.4 SERIAL INTERFACE 5.4.1 SERIAL CONNECTOR 5.4.2 SERIAL INTERFACE PROGRAMMING 5.4.2.1 Serial Interface Configuration 5.4.2.2 Serial Interface Control 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 5.5.5 PARALLEL INTERFACE CONNECTOR 5.6 KEYBOARD/POINTING DEVICE INTERFACE 5.6.1 KEYBOARD INTERFACE OPERATION Page 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 Page 5.6.4 KEYBOARD/POINTING DEVICE INTERFACE CONNECTOR 5.7 UNIVERSAL SERIAL BUS INTERFACE 5.7.1 USB DATA FORMATS Page 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 Page 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 NETWORK INTERFACE CONTROLLER 5.9.1 WAKE ON LAN SUPPORT 5.9.2 ALERT ON LAN SUPPORT 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 5.9.5 NIC CONNECTOR 5.9.6 NIC SPECIFICATIONS 5.9.7 NIC UPGRADING/CHANGING Page Chapter 6 POWER and SIGNAL DISTRIBUTION 6. Chapter 6 POWER SUPPLY AND DISTRIBUTION 6.1 INTRODUCTION 6.2 POWER SUPPLY ASSEMBLY/CONTROL 6.2.1 POWER SUPPLY ASSEMBLY 6.2.2 POWER CONTROL 6.2.2.1 Power Button 6.2.2.2 Power LED Indications 6.2.2.3 Wake Up Events 6.2.3 POWER MANAGEMENT 6.3 POWER DISTRIBUTION 6.3.1 3.3/5/12 VDC DISTRIBUTION Page 6.3.2 LOW VOLTAGE PRODUCTION/DISTRIBUTION 6.4 SIGNAL DISTRIBUTION Page Page Page Chapter 7 BIOS ROM 7. Chapter 8 BIOS ROM 7.1 INTRODUCTION 7.2 ROM FLASHING 7.2.1 UPGRADING 7.2.2 CHANGEABLE SPLASH SCREEN 7.3 BOOT FUNCTIONS 7.3.1 BOOT DEVICE ORDER 7.3.2 NETWORK BOOT (F12) SUPPORT 7.3.3 MEMORY DETECTION AND CONFIGURATION 7.3.4 BOOT ERROR CODES 7.4 SETUP UTILITY Technical Reference Guide Table 7-3. Setup Utility Functions Continued 7-7 Chapter 7 BIOS ROM Table 7-3. Setup Utility Functions Continued Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor 7-8 Technical Reference Guide Table 7-3. Setup Utility Functions Continued 7-9 Chapter 7 BIOS ROM Table 7-3. Setup Utility Functions Continued 7-10 Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor Technical Reference Guide Table 7-3. Setup Utility Functions Continued 7-11 7.5 CLIENT MANAGEMENT FUNCTIONS Page 7.5.1 SYSTEM ID AND ROM TYPE 7.5.2 EDID RETRIEVE 7.5.3 TEMPERATURE STATUS 7.5.4 DRIVE FAULT PREDICTION 7.6 PNP SUPPORT 7.6.1 SMBIOS 7.7 POWER MANAGEMENT FUNCTIONS 7.7.1 INDEPENDENT PM SUPPORT 7.7.1.1 Staying Awake In Independent PM System Timer IDE Hard Drive Timer 7.7.1.2 Going to Sleep in Independent PM System Standby IDE Hard Drive Standby 7.7.1.3 Suspend 7.7.1.4 System OFF 7.7.2 ACPI SUPPORT 7.7.3 APM 1.2 SUPPORT Chapter 7 BIOS ROM Table 7-6. APM BIOS Functions Table 7-6. APM BIOS Functions Compaq Evo and Workstation Personal Computers Featuring the Intel Pentium 4 Processor 7-20 7.7.3.1 Staying Awake in APM System Timer IDE Hard Drive Timer 7.7.3.2 Going to Sleep in APM System/Hard Drive Standby System Suspend System OFF 7.7.3.3 Waking Up in APM 7.8 USB LEGACY SUPPORT Page Appendix A ERROR MESSAGES AND CODES A. Appendix A ERROR MESSAGES AND CODES A.1 INTRODUCTION A.2 BEEP/KEYBOARD LED CODES A.3 POWER-ON SELF TEST (POST) MESSAGES A.4 SYSTEM ERROR MESSAGES (1xx-xx) A.5 MEMORY ERROR MESSAGES (2xx-xx) A.6 KEYBOARD ERROR MESSAGES (30x-xx) A.7 PRINTER ERROR MESSAGES (4xx-xx) A.8 VIDEO (GRAPHICS) ERROR MESSAGES (5xx-xx) A.9 DISKETTE DRIVE ERROR MESSAGES (6xx-xx) A.10 SERIAL INTERFACE ERROR MESSAGES (11xx-xx) A.11 MODEM COMMUNICATIONS ERROR MESSAGES (12xx-xx) A.12 SYSTEM STATUS ERROR MESSAGES (16xx-xx) A.13 HARD DRIVE ERROR MESSAGES (17xx-xx) A.14 HARD DRIVE ERROR MESSAGES (19xx-xx) A.15 VIDEO (GRAPHICS) ERROR MESSAGES (24xx-xx) A.16 AUDIO ERROR MESSAGES (3206-xx) A.17 DVD/CD-ROM ERROR MESSAGES (33xx-xx) A.18 NETWORK INTERFACE ERROR MESSAGES (60xx-xx) A.19 SCSI INTERFACE ERROR MESSAGES (65xx-xx, 66xx-xx, 67xx-xx) A.20 POINTING DEVICE INTERFACE ERROR MESSAGES (8601-xx) Page Appendix B ASCII CHARACTER SET B. B.1 INTRODUCTION Appendix B ASCII Character Set Table B-1. ASCII Code Set (Continued) Compaq Personal Computers B-2 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.2.3 KEYBOARD LAYOUTS C.2.3.1 Standard Enhanced Keyboards C.2.3.2 Windows Enhanced Keyboards 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 Appendix C Keyboard Table C2. Keyboard Scan Codes Table C-2. Keyboard Scan Codes Continued C-12 Compaq Personal Computers Technical Reference Guide Table C-2. Keyboard Scan Codes (Continued) Continued C-13 Appendix C Keyboard Table C-2. Keyboard Scan Codes (Continued) C-14 Compaq Personal Computers Technical Reference Guide Table C-2. Keyboard Scan Codes (Continued) C-15 C.3 CONNECTORS Appendix D COMPAQ/NVIDIA VANTA LT AGP GRAPHICS CARD D. Appendix D Compaq/NVIDIA Vanta LT AGP Graphics Card D.1 INTRODUCTION D.2 FUNCTIONAL DESCRIPTION D.3 DISPLAY MODES D.4 SOFTWARE SUPPORT INFORMATION D.5 POWER MANAGEMENT AND CONSUMPTION D.6 CONNECTORS D.6.1 MONITOR CONNECTOR Page Appendix E COMPAQ/NVIDIA QUADRO2 EX/MXR AGP GRAPHICS CARDS E. Appendix E Compaq/NVIDIA Quadro2 EX/MXR AGP Graphics Cards E.1 INTRODUCTION E.2 FUNCTIONAL DESCRIPTION E.3 DISPLAY MODES E.4 SOFTWARE SUPPORT INFORMATION E.5 POWER MANAGEMENT AND CONSUMPTION E.6 CONNECTORS E.6.1 MONITOR CONNECTOR Page Appendix F COMPAQ/Matrox Millennium G450 AGP GRAPHICS CARD F. Appendix F Compaq/Matrox Millennium G450 AGP Graphics Card F.1 INTRODUCTION F.2 FUNCTIONAL DESCRIPTION F.3 DISPLAY MODES F.4 SOFTWARE SUPPORT INFORMATION F.5 POWER MANAGEMENT AND CONSUMPTION F.6 CONNECTORS F.6.1 MONITOR CONNECTOR F.6.2 VIDEO FEATURE CONNECTOR Appendix G COMPAQ/ADAPTEC 29160N SCSI HOST ADAPTER G. Appendix G Compaq/Adaptec SCSI Host Adapter G.1 INTRODUCTION G.2 FUNCTIONAL DESCRIPTION G.3 SCSI ADAPTER PROGRAMMING G.3.1 SCSI ADAPTER CONFIGURATION G.3.2 SCSI ADAPTER CONTROL G.4 SPECIFICATIONS G.5 SCSI CONNECTORS G.5.1 EXTERNAL 50-PIN ULTRA SCSI CONNECTOR G.5.2 INTERNAL 50-PIN ULTRA SCSI CONNECTOR G.5.3 INTERNAL 68-PIN ULTRA160 SCSI CONNECTOR Appendix H COMPAQ/Matrox G200 MMS Quad-Head PCI GRAPHICS CARD H. Appendix H Compaq/Matrox G200 MMS Quad-Head PCI Graphics Card H.1 INTRODUCTION H.2 FUNCTIONAL DESCRIPTION Page H.3 DISPLAY MODES H.4 DISPLAY CONFIGURATION H.4.1 SINGLE-CARD CONFIGURATION H.4.2 MULTI-CARD CONFIGURATION WITH WINDOWS NT 4.0 H.5 SOFTWARE SUPPORT INFORMATION H.6 POWER MANAGEMENT AND CONSUMPTION H.7 CONNECTORS H.7.1 ADAPTER CABLE CONNECTOR H.7.2 ANALOG MONITOR CONNECTOR H.7.3 DIGITAL MONITOR CONNECTOR Page INDEX I.