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Intel DX79SI Intel Desktop Board DX79SI Technical Product Specification - Page 14

Table 3., Components Shown - x79

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Intel Desktop Board DX79SI Technical Product Specification Table 3. Components Shown in Figure 1 Label A B C D E F G H I J K L M N O P Q R S T U V W X Y Z AA BB CC DD EE FF GG HH II JJ KK LL MM NN OO PP QQ RR Description Front panel audio header PCI Express x1 add-in card connector S/PDIF out header PCI Express 3.0 x16 add-in card connector (x8 electrical) Piezoelectric speaker Conventional PCI add-in card connector PCI Express 3.0 x16 add-in card connector PCI Express x1 add-in card connector PCI Express 3.0 x16 add-in card connector Rear chassis fan header Battery Back panel connectors Processor fan header DIMM 1 (Channel A, DIMM 0) DIMM 5 (Channel B, DIMM 0) DIMM 2 (Channel A, DIMM 1) DIMM 6 (Channel B, DIMM 1) LGA 2011 processor socket 12 V processor core voltage connector (2 x 4 pin) DIMM 8 (Channel D, DIMM 1) DIMM 4 (Channel C, DIMM 1) DIMM 7 (Channel D, DIMM 0) DIMM 3 (Channel C, DIMM 0) Main power connector (2 x 12 pin) Remote thermal probe header Front chassis fan header 3.0 Gb/s SATA connectors (black) and 6.0 Gb/s SATA connectors (blue) Intel X79 Express Chipset Front panel USB 2.0 headers (4) Consumer IR emitter (output) header BIOS Setup configuration jumper block Power Fault LED Front panel USB 3.0 connector Alternate front panel power LED header Consumer IR receiver (input) header Voltage measurement test points Front panel header Post Code LED display Front panel IEEE 1394a header Onboard Reset button Onboard Power button Chassis intrusion header Auxiliary fan header Board Status LEDs 14

Section	Page
Intel® Desktop Board DX79SI Technical Product Specification	1
Revision History	2
Board Identification Information	3
Specification Changes or Clarifications	3
Errata	3
Preface	5
Contents	7
1 Product Description	11
1.1 Overview	11
1.1.1 Feature Summary	11
1.1.2 Board Layout	13
1.1.3 Block Diagram	15
1.2 Legacy Considerations	16
1.3 Online Support	16
1.4 Processor	16
1.4.1 PCI Express x16 Graphics	17
1.5 System Memory	17
1.5.1 Memory Configurations	19
1.6 Intel® X79 Express Chipset	21
1.6.1 USB	21
1.6.2 SATA Interfaces	21
1.7 Real-Time Clock Subsystem	23
1.8 Legacy I/O Controller	23
1.8.1 Consumer Infrared (CIR)	23
1.9 Audio Subsystem	24
1.9.1 Audio Subsystem Software	24
1.9.2 Audio Subsystem Components	24
1.10 LAN Subsystem	26
1.10.1 Intel® 82579L and Intel 82574L Gigabit Ethernet Controllers	26
1.10.2 LAN Subsystem Software	27
1.10.3 RJ-45 LAN Connector with Integrated LEDs	27
1.11 Bluetooth*/WiFi Module	28
1.11.1 Bluetooth Technology	28
1.11.2 WiFi 802.11 Wireless	29
1.12 Hardware Management Subsystem	29
1.12.1 Hardware Monitoring and Fan Control	29
1.12.2 Fan Monitoring	30
1.12.3 Chassis Intrusion and Detection	30
1.12.4 Thermal Monitoring	31
1.13 Power Management	32
1.13.1 ACPI	32
1.13.2 Hardware Support	35
1.15 Onboard Power and Reset Buttons	41
2 Technical Reference	43
2.1 Memory Resources	43
2.1.1 Addressable Memory	43
2.1.2 Memory Map	45
2.2 Connectors and Headers	45
2.2.1 Back Panel Connectors	46
2.2.2 Component-side Connectors and Headers	48
2.3 Jumper Block	58
2.4 Mechanical Considerations	60
2.4.1 Form Factor	60
2.5 Electrical Considerations	61
2.5.1 Power Supply Considerations	61
2.5.2 Fan Header Current Capability	62
2.5.3 Add-in Board Considerations	62
2.6 Thermal Considerations	63
2.7 Reliability	65
2.8 Environmental	65
3 Overview of BIOS Features	67
3.1 Introduction	67
3.2 BIOS Flash Memory Organization	68
3.3 Resource Configuration	68
3.3.1 PCI Autoconfiguration	68
3.4 System Management BIOS (SMBIOS)	69
3.5 Legacy USB Support	69
3.6 BIOS Updates	70
3.6.1 Language Support	70
3.6.2 Custom Splash Screen	71
3.7 BIOS Recovery	71
3.8 Boot Options	72
3.8.1 Optical Drive Boot	72
3.8.2 Network Boot	72
3.8.3 Booting Without Attached Devices	72
3.8.4 Changing the Default Boot Device During POST	72
3.9 Adjusting Boot Speed	73
3.9.1 Peripheral Selection and Configuration	73
3.9.2 BIOS Boot Optimizations	73
3.10 BIOS Security Features	74
3.11 BIOS Performance Features	75
4 Error Messages and Beep Codes	77
4.1 Speaker	77
4.2 BIOS Beep Codes	77
4.3 Front-panel Power LED Blink Codes	78
4.4 BIOS Error Messages	78
4.5 Port 80h POST Codes	79
5 Regulatory Compliance and Battery Disposal Information	85
5.1 Regulatory Compliance	85
5.1.1 Safety Standards	85
5.1.2 European Union Declaration of Conformity Statement	86
5.1.3 Product Ecology Statements	87
5.1.4 EMC Regulations	89
5.1.5 ENERGY STAR* 5.0, e-Standby, and ErP Compliance	92
5.1.6 Regulatory Compliance Marks (Board Level)	93