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Intel D915PLWD Product Specification - Page 40

PCI Configuration Space Map

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Intel Desktop Board D915PLWD Technical Product Specification 2.4 PCI Configuration Space Map Table 12. PCI Configuration Space Map Bus Number (hex) 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 (Note 2) (Note 2) (Note 2) (Note 2) (Note 2) 01 Device Number (hex) 00 01 1B 1C 1C 1C 1C 1D 1D 1D 1D 1D 1E 1F 1F 1F 1F 00 01 02 03 08 00 Function Number (hex) 00 00 00 00 01 02 03 00 01 02 03 07 00 00 01 02 03 00 00 00 00 00 00 Description Memory controller of Intel 82915PL component PCI Express x16 graphics port (Note 1) Intel High Definition Audio Controller PCI Express port 1 PCI Express port 2 PCI Express port 3 PCI Express port 4 USB UHCI controller 1 USB UHCI controller 2 USB UHCI controller 3 USB UHCI controller 4 EHCI controller PCI bridge PCI controller Parallel ATA IDE controller Serial ATA controller SMBus controller PCI Conventional bus connector 1 PCI Conventional bus connector 2 PCI Conventional bus connector 3 PCI Conventional bus connector 4 Intel 82562GZ 10/100 Mbits/sec LAN PLC PCI Express video controller (if present) (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. 40

Section	Page
Intel® Desktop Board D915PLWD Technical Product Specification	1
Revision History / Disclaimer	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Other Common Notation	4
Contents	5
1 Product Description	9
1.1 Overview	10
1.1.1 Feature Summary	10
1.1.2 Board Layout	12
1.1.3 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® 915PL Chipset	20
1.5.1 USB	20
1.5.2 IDE Support	20
1.5.3 Real-Time Clock, CMOS SRAM, and Battery	22
1.6 PCI Express* Connectors	22
1.7 Legacy I/O Controller	23
1.7.1 Serial Port	23
1.7.2 Parallel Port	23
1.7.3 Diskette Drive Controller	23
1.7.4 Keyboard and Mouse Interface	23
1.8 Audio Subsystem	24
1.8.1 Audio Subsystem Software	24
1.8.2 Audio Connectors	24
1.8.3 Intel® High Definition Audio Subsystem	25
1.9 LAN Subsystem	26
1.9.1 10/100 Mbits/sec LAN Subsystem	26
1.9.2 LAN Subsystem Software	27
1.10 Hardware Management Subsystem	27
1.10.1 Hardware Monitoring and Fan Control ASIC	27
1.10.2 Thermal Monitoring	28
1.10.3 Fan Monitoring	29
1.10.4 Chassis Intrusion and Detection	29
1.11 Power Management	29
1.11.1 ACPI	29
1.11.2 Hardware Support	32
2 Technical Reference	37
2.1 Memory Map	37
2.2 DMA Channels	38
2.3 Fixed I/O Map	39
2.4 PCI Configuration Space Map	40
2.5 Interrupts	41
2.6 PCI Conventional* Interrupt Routing Map	42
2.7 Connectors	43
2.7.1 Back Panel Connectors	43
2.7.2 Component-side Connectors	44
2.7.3 Front Panel USB Connectors	51
2.8 Jumper Block	52
2.9 Mechanical Considerations	53
2.9.1 Form Factor	53
2.9.2 I/O Shield	54
2.10 Electrical Considerations	55
2.10.1 DC Loading	55
2.10.2 Add-in Board Considerations	55
2.10.3 Fan Connector Current Capability	56
2.10.4 Power Supply Considerations	56
2.11 Thermal Considerations	57
2.12 Reliability	59
2.13 Environmental	60
2.14 Regulatory Compliance	61
2.14.1 Safety Regulations	61
2.14.2 EMC Regulations	61
2.14.3 European Union Declaration of Conformity Statement	62
2.14.4 Product Ecology Statements	63
2.14.5 Product Certification Markings (Board Level)	64
3 Overview of BIOS Features	65
3.1 Introduction	65
3.2 BIOS Flash Memory Organization	66
3.3 Resource Configuration	66
3.3.1 PCI Autoconfiguration	66
3.3.2 PCI IDE Support	66
3.4 System Management BIOS (SMBIOS)	67
3.5 Legacy USB Support	67
3.6 BIOS Updates	68
3.6.1 Language Support	68
3.6.2 Custom Splash Screen	68
3.7 Boot Options	69
3.7.1 CD-ROM Boot	69
3.7.2 Network Boot	69
3.7.3 Booting Without Attached Devices	69
3.7.4 Changing the Default Boot Device During POST	69
3.8 Adjusting Boot Speed	70
3.8.1 Peripheral Selection and Configuration	70
3.8.2 BIOS Boot Optimizations	70
3.9 BIOS Security Features	71
4 Error Messages and Beep Codes	73
4.1 BIOS Error Messages	73
4.2 Port 80h POST Codes	75
4.3 Bus Initialization Checkpoints	79
4.4 Speaker	80