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PCI Configuration Space Map

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Technical Reference 2.4 PCI Configuration Space Map Table 14. PCI Configuration Space Map Bus Device Function Number (hex) Number (hex) Number (hex) Description 00 00 00 Memory controller of Intel 82G965 component 00 01 00 PCI Express x16 graphics port (Note 1) 00 02 00 Integrated graphics controller 00 1B 00 Intel High Definition Audio Controller 00 1C 00 PCI Express port 1 00 1C 01 PCI Express port 2 00 1C 02 PCI Express port 3 00 1C 03 PCI Express port 4 00 1C 04 PCI Express port 5 00 1D 00 USB UHCI controller 1 00 1D 01 USB UHCI controller 2 00 1D 02 USB UHCI controller 3 00 1D 00 USB UHCI controller 4 00 1A 01 USB UHCI controller 5 00 1D 07 EHCI controller #1 00 1A 07 EHCI controller #2 00 1E 00 PCI bridge 00 1F 00 PCI controller 00 1F 01 Parallel ATA IDE controller 00 1F 02 Serial ATA controller #1 00 1F 05 Serial ATA controller #2 00 1F 03 SMBus controller 00 19 00 Gigabit LAN controller (Note 2) 00 00 PCI Conventional bus connector 1 (Note 2) 01 00 PCI Conventional bus connector 2 (Note 2) 02 00 PCI Conventional bus connector 3 (Note 2) 03 00 IEEE-1394a controller 01 00 00 PCI Express Video Controller (Note 1) Notes: 1. Present only when a PCI Express x16 graphics card is installed. 2. Bus number is dynamic and can change based on add-in cards used. 47

Section	Page
Intel® Desktop Board DG965WH 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 Overview	10
1.1.1 Feature Summary	10
1.1.2 Manufacturing Options	11
1.1.3 Board Layout	12
1.1.4 Block Diagram	14
1.2 Online Support	15
1.3 Processor	15
1.4 System Memory	16
1.4.1 Memory Configurations	17
1.5 Intel® G965 Express Chipset	23
1.5.1 Intel G965 Graphics Subsystem	23
1.5.2 USB	25
1.5.3 Serial ATA Interfaces	26
1.5.4 Parallel IDE Interface	27
1.5.5 Real-Time Clock, CMOS SRAM, and Battery	27
1.6 Legacy I/O Controller	28
1.6.1 Serial Port	28
1.6.2 Parallel Port	28
1.6.3 Diskette Drive Controller	28
1.6.4 Keyboard and Mouse Interface (Optional)	28
1.7 Audio Subsystem	29
1.7.1 Audio Subsystem Software	30
1.7.2 Audio Connectors and Headers	30
1.8 LAN Subsystem	31
1.8.1 Intel® 82566DC Gigabit Ethernet Controller	31
1.8.2 LAN Subsystem Software	32
1.8.3 RJ-45 LAN Connector with Integrated LEDs	32
1.9 Hardware Management Subsystem	33
1.9.1 Hardware Monitoring and Fan Control	33
1.9.2 Fan Monitoring	33
1.9.3 Chassis Intrusion and Detection	33
1.9.4 Thermal Monitoring	34
1.10 Power Management	35
1.10.1 ACPI	35
1.10.2 Hardware Support	37
2 Technical Reference	43
2.1 Memory Map	43
2.1.1 Addressable Memory	43
2.2 DMA Channels	45
2.3 Fixed I/O Map	46
2.4 PCI Configuration Space Map	47
2.5 Interrupts	48
2.6 DMA Channels	49
2.7 PCI Interrupt Routing Map	49
2.8 Connectors and Headers	50
2.8.1 Back Panel Connectors	51
2.8.2 Component-side Connectors and Headers	52
2.9 Jumper Block	60
2.10 Mechanical Considerations	61
2.10.1 Form Factor	61
2.10.2 I/O Shield	62
2.11 Electrical Considerations	64
2.11.1 DC Loading	64
2.11.2 Fan Header Current Capability	64
2.11.3 Add-in Board Considerations	65
2.11.4 Power Supply Considerations	65
2.12 Thermal Considerations	66
2.13 Reliability	68
2.14 Environmental	68
3 Overview of BIOS Features	69
3.1 Introduction	69
3.2 BIOS Flash Memory Organization	70
3.3 Resource Configuration	70
3.3.1 PCI Autoconfiguration	70
3.3.2 PCI IDE Support	71
3.4 System Management BIOS (SMBIOS)	71
3.5 Legacy USB Support	72
3.6 BIOS Updates	72
3.6.1 Language Support	73
3.6.2 Custom Splash Screen	73
3.7 BIOS Recovery	73
3.8 Boot Options	74
3.8.1 CD-ROM Boot	74
3.8.2 Network Boot	74
3.8.3 Booting Without Attached Devices	74
3.8.4 Changing the Default Boot Device During POST	74
3.9 Adjusting Boot Speed	75
3.9.1 Peripheral Selection and Configuration	75
3.9.2 BIOS Boot Optimizations	75
3.10 BIOS Security Features	76
4 Error Messages and Beep Codes	77
4.1 Speaker	77
4.2 BIOS Beep Codes	77
4.3 BIOS Error Messages	77
4.4 Port 80h POST Codes	78
5 Regulatory Compliance and Battery Disposal Information	83
5.1 Regulatory Compliance	83
5.1.1 Safety Regulations	83
5.1.2 European Union Declaration of Conformity Statement	84
5.1.3 Product Ecology Statements	86
5.1.4 EMC Regulations	89
5.1.5 Product Certification Markings (Board Level)	90