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Intel DG35EC Product Specification - Page 13

Table 2. Board Components Shown

UPC - 735858200448

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Table 2. Board Components Shown in Figure 1 Item/callout from Figure 1 Description A PCI Conventional bus add-in card connector B IEEE 1394a header C PCI Express x1 connector D Speaker E PCI Express x1 connector F PCI Express x16 connector G Rear chassis fan header H Back panel connectors I Processor core power connector (2 X 2) J LGA775 processor socket K Processor fan header L DIMM Channel A sockets M DIMM Channel B sockets N Front chassis fan header O Serial port header P Diskette drive connector Q Main Power connector (2 X 12) R Parallel ATA IDE connector S Chassis intrusion header T Serial ATA connectors [4] U Front panel header V Auxiliary front panel power LED header W Front panel USB header X Front panel USB header Y Intel 82801HB I/O Controller Hub (ICH8) Z Intel 82G35 GMCH AA BIOS Setup configuration jumper block BB Battery CC S/PDIF connector DD Front panel audio header Product Description 13

Section	Page
Intel® Desktop Board DG35EC Technical Product Specification	1
Revision History	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 Board Layout	12
1.1.3 Block Diagram	14
1.2 Legacy Considerations	15
1.3 Online Support	15
1.4 Processor	15
1.5 System Memory	16
1.5.1 Memory Configurations	17
1.6 Intel® G35 Express Chipset	19
1.6.1 Intel G35 Graphics Subsystem	19
1.6.2 USB	21
1.6.3 Serial ATA Interfaces	21
1.7 Parallel IDE Controller	22
1.8 Real-Time Clock Subsystem	23
1.9 Legacy I/O Controller	23
1.9.1 Serial Port Interface	23
1.9.2 Diskette Drive Interface	23
1.9.3 PS/2 Keyboard and Mouse Interface	24
1.10 Audio Subsystem	24
1.10.1 Audio Subsystem Software	25
1.10.2 Audio Connectors and Headers	25
1.11 LAN Subsystem	26
1.11.1 Intel® 82566DC Gigabit Ethernet Controller	26
1.11.2 LAN Subsystem Software	27
1.11.3 RJ-45 LAN Connector with Integrated LEDs	27
1.12 Hardware Management Subsystem	28
1.12.1 Hardware Monitoring and Fan Control	28
1.12.2 Fan Monitoring	28
1.12.3 Chassis Intrusion and Detection	28
1.12.4 Thermal Monitoring	29
1.13 Power Management	30
1.13.1 ACPI	30
1.13.2 Hardware Support	33
2 Technical Reference	37
2.1 Memory Map	37
2.1.1 Addressable Memory	37
2.2 Connectors and Headers	40
2.2.1 Back Panel Connectors	41
2.2.2 Component-side Connectors and Headers	42
2.3 Jumper Block	50
2.4 Mechanical Considerations	51
2.4.1 Form Factor	51
2.5 Electrical Considerations	52
2.5.1 Power Supply Considerations	52
2.5.2 Fan Header Current Capability	53
2.5.3 Add-in Board Considerations	53
2.6 Thermal Considerations	53
2.7 Reliability	55
2.8 Environmental	56
3 Overview of BIOS Features	57
3.1 Introduction	57
3.2 BIOS Flash Memory Organization	58
3.3 Resource Configuration	58
3.3.1 PCI Autoconfiguration	58
3.3.2 PCI IDE Support	59
3.4 System Management BIOS (SMBIOS)	59
3.5 Legacy USB Support	60
3.6 BIOS Updates	61
3.6.1 Language Support	61
3.6.2 Custom Splash Screen	62
3.7 BIOS Recovery	62
3.8 Boot Options	63
3.8.1 CD-ROM Boot	63
3.8.2 Network Boot	63
3.8.3 Booting Without Attached Devices	63
3.8.4 Changing the Default Boot Device During POST	63
3.9 Adjusting Boot Speed	64
3.9.1 Peripheral Selection and Configuration	64
3.9.2 BIOS Boot Optimizations	64
3.10 BIOS Security Features	65
4 Error Messages and Beep Codes	67
Speaker	67
4.2 BIOS Beep Codes	67
4.3 BIOS Error Messages	67
4.4 Port 80h POST Codes	68
5 Regulatory Compliance and Battery Disposal Information	73
Regulatory Compliance	73
5.1.1 Safety Standards	73
5.1.2 European Union Declaration of Conformity Statement	74
5.1.3 Product Ecology Statements	75
5.1.4 EMC Regulations	79
5.1.5 Product Certification Markings (Board Level)	80