Intel Desktop Board D945GBO User Manuals

Table of Contents

• Intel® Desktop Board D945GBO Technical Product Specification

  1
• Revision History / Disclaimer

  2
• Preface

  3
  • Intended Audience

    3
  • What This Document Contains

    3
  • Typographical Conventions

    3
• Contents

  5
• 1 Product Description

  9
  • 1.1 Power Connector Terminology Change

    9
  • 1.2 Overview

    10
    • 1.2.1 Feature Summary

      10
    • 1.2.2 Manufacturing Options

      11
    • 1.2.3 Board Layout

      12
    • 1.2.4 Block Diagram

      14
  • 1.3 Online Support

    15
  • 1.4 Processor

    15
  • 1.5 System Memory

    16
    • 1.5.1 Memory Configurations

      17
  • 1.6 Intel® 945G Chipset

    21
    • 1.6.1 Intel 945G Graphics Subsystem

      21
    • 1.6.2 USB

      23
    • 1.6.3 IDE Support

      24
    • 1.6.4 Real-Time Clock, CMOS SRAM, and Battery

      25
  • 1.7 PCI Express* Connectors

    30
  • 1.8 IEEE-1394a Connectors

    30
  • 1.9 Legacy I/O Controller

    30
    • 1.9.1 Serial Port

      31
    • 1.9.2 Parallel Port (Optional)

      31
    • 1.9.3 Diskette Drive Controller

      31
    • 1.9.4 Keyboard and Mouse Interface

      31
  • 1.10 Audio Subsystem

    32
    • 1.10.1 Audio Subsystem Software

      32
    • 1.10.2 Audio Connectors

      32
    • 1.10.3 8-Channel (7.1) Audio Subsystem

      32
  • 1.11 LAN Subsystem

    34
    • 1.11.1 LAN Subsystem Software

      34
    • 1.11.2 Intel® 82573L Gigabit Ethernet Controller

      34
  • 1.12 Hardware Management Subsystem

    35
    • 1.12.1 Hardware Monitoring and Fan Control ASIC

      35
    • 1.12.2 Chassis Intrusion and Detection

      35
    • 1.12.3 Fan Monitoring

      35
    • 1.12.4 Thermal Monitoring

      36
  • 1.13 Power Management

    37
    • 1.13.1 ACPI

      37
    • 1.13.2 Hardware Support

      39
  • 1.14 Trusted Platform Module (Optional)

    43
• 2 Technical Reference

  45
  • 2.1 Memory Resources

    45
    • 2.1.1 Addressable Memory

      45
    • 2.1.2 Memory Map

      47
  • 2.2 DMA Channels

    47
  • 2.3 Fixed I/O Map

    48
  • 2.4 PCI Configuration Space Map

    49
  • 2.5 Interrupts

    50
  • 2.6 PCI Conventional Interrupt Routing Map

    51
  • 2.7 Connectors

    52
    • 2.7.1 Back Panel Connectors

      52
    • 2.7.2 Component-side Connectors

      54
  • 2.8 Jumper Block

    62
  • 2.9 Mechanical Considerations

    63
    • 2.9.1 Form Factor

      63
    • 2.9.2 I/O Shield

      64
  • 2.10 Electrical Considerations

    66
    • 2.10.1 DC Loading

      66
    • 2.10.2 Add-in Board Considerations

      66
    • 2.10.3 Fan Connector Current Capability

      67
    • 2.10.4 Power Supply Considerations

      67
  • 2.11 Thermal Considerations

    68
  • 2.12 Reliability

    70
  • 2.13 Environmental

    71
  • 2.14 Regulatory Compliance

    72
    • 2.14.1 Safety Regulations

      72
    • 2.14.2 European Union Declaration of Conformity Statement

      72
    • 2.14.3 Product Ecology Statements

      74
    • 2.14.4 EMC Regulations

      77
    • 2.14.5 Product Certification Markings (Board Level)

      78
• 3 Overview of BIOS Features

  79
  • 3.1 Introduction

    79
  • 3.2 BIOS Flash Memory Organization

    80
  • 3.3 Resource Configuration

    80
    • 3.3.1 PCI Autoconfiguration

      80
    • 3.3.2 PCI IDE Support

      80
  • 3.4 System Management BIOS (SMBIOS)

    81
  • 3.5 Legacy USB Support

    81
  • 3.6 BIOS Updates

    82
    • 3.6.1 Language Support

      82
    • 3.6.2 Custom Splash Screen

      82
  • 3.7 Boot Options

    83
    • 3.7.1 CD-ROM Boot

      83
    • 3.7.2 Network Boot

      83
    • 3.7.3 Booting Without Attached Devices

      83
    • 3.7.4 Changing the Default Boot Device During POST

      83
  • 3.8 Adjusting Boot Speed

    84
    • 3.8.1 Peripheral Selection and Configuration

      84
    • 3.8.2 BIOS Boot Optimizations

      84
  • 3.9 BIOS Security Features

    85
• 4 Error Messages and Beep Codes

  87
  • 4.1 Speaker

    87
  • 4.2 BIOS Beep Codes

    87
  • 4.3 BIOS Error Messages

    87
  • 4.4 Port 80h POST Codes

    88