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Intel BOXD945PAWLK Product Specification - Page 13

Table 3., Board Components Shown

UPC - 735858174039

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Table 3. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A Front panel audio connector B Back panel connectors C Main power connector D Front panel USB connectors [2] E Serial ATA connectors [4] F PCI Express x16 bus add-in card connector G PCI Conventional bus add-in card connectors [2] H PCI Express x1 bus add-in card connector I Speaker J IEEE-1394a controller (optional) K BIOS Setup configuration jumper block L Front panel IEEE-1394a connectors (optional) [2] M Legacy I/O controller N Diskette drive connector O Front panel connector P Front chassis fan connector Q Auxiliary front panel power LED connector R Intel 82801G I/O Controller Hub (ICH7) S LGA775 processor socket T Intel 82945P MCH U Remote thermal sensor V Processor core power connector W Processor fan connector X DIMM Channel A sockets [2] Y DIMM Channel B sockets [2] Z Rear chassis fan connector AA SPI flash device BB Battery CC Ethernet device DD Audio codec EE Parallel ATE IDE connector FF Chassis intrusion connector Product Description 13

Section	Page
Intel® Desktop Board D945PAW 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 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® 945P Chipset	21
1.6.1 USB	21
1.6.2 IDE Support	22
1.6.3 Real-Time Clock, CMOS SRAM, and Battery	23
1.7 PCI Express* Connectors	23
1.8 IEEE-1394a Connectors (Optional)	24
1.9 Legacy I/O Controller	24
1.9.1 Serial Port	24
1.9.2 Parallel Port	24
1.9.3 Diskette Drive Controller	25
1.9.4 Keyboard and Mouse Interface	25
1.10 Audio Subsystem	25
1.10.1 Audio Subsystem Software	25
1.10.2 Audio Connectors	25
1.10.3 6-Channel (5.1) Audio Subsystem	26
1.11 LAN Subsystem	27
1.11.1 LAN Subsystem Software	27
1.11.2 10/100 Mbits/sec LAN Subsystem	27
1.11.3 Gigabit LAN Subsystem	29
1.12 Hardware Management Subsystem	30
1.12.1 Hardware Monitoring and Fan Control ASIC	30
1.12.2 Chassis Intrusion and Detection	30
1.12.3 Fan Monitoring	30
1.12.4 Thermal Monitoring	31
1.13 Power Management	32
1.13.1 ACPI	32
1.13.2 Hardware Support	34
1.14 Trusted Platform Module (Optional)	37
2 Technical Reference	39
2.1 Introduction	39
2.2 Memory Resources	39
2.2.1 Addressable Memory	39
2.2.2 Memory Map	41
2.3 DMA Channels	41
2.4 Fixed I/O Map	42
2.5 PCI Configuration Space Map	43
2.6 Interrupts	44
2.7 PCI Conventional Interrupt Routing Map	45
2.8 Connectors	46
2.8.1 Back Panel Connectors	47
2.8.2 Component-side Connectors	48
2.9 Jumper Block	56
2.10 Mechanical Considerations	57
2.10.1 Form Factor	57
2.10.2 I/O Shield	58
2.11 Electrical Considerations	59
2.11.1 DC Loading	59
2.11.2 Add-in Board Considerations	59
2.11.3 Fan Connector Current Capability	60
2.11.4 Power Supply Considerations	60
2.12 Thermal Considerations	61
2.13 Reliability	63
2.14 Environmental	64
2.15 Regulatory Compliance	65
2.15.1 Safety Regulations	65
2.15.2 EMC Regulations	65
2.15.3 European Union Declaration of Conformity Statement	66
2.15.4 Recycling Considerations	67
2.15.5 Product Certification Markings (Board Level)	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	70
3.4 System Management BIOS (SMBIOS)	71
3.5 Legacy USB Support	71
3.6 BIOS Updates	72
3.6.1 Language Support	72
3.6.2 Custom Splash Screen	72
3.7 Boot Options	73
3.7.1 CD-ROM Boot	73
3.7.2 Network Boot	73
3.7.3 Booting Without Attached Devices	73
3.7.4 Changing the Default Boot Device During POST	73
3.8 Adjusting Boot Speed	74
3.8.1 Peripheral Selection and Configuration	74
3.8.2 BIOS Boot Optimizations	74
3.9 BIOS Security Features	75
4 Error Messages and Beep Codes	77
4.1 Speaker	77
4.2 BIOS Beep Codes	77
4.3 BIOS Error Messages	77