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Signal Tables for the Connectors and Headers

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Intel Desktop Board DH61AG Technical Product Specification 2.2.3.1 Signal Tables for the Connectors and Headers Table 16. Front Panel Audio Header for Intel HD Audio Pin Signal Name Description 1 PORT_1L 2 GND 3 PORT_1R 4 PRESENCE# 5 PORT_2R 6 SENSE1_RETURN 7 SENSE_SEND 8 KEY 9 PORT_2L 10 SENSE2_RETURN Analog Port 1 - Left channel (Microphone) Ground Analog Port 1 - Right channel (Microphone) Active low signal that signals BIOS that an Intel HD Audio dongle is connected to the analog header. PRESENCE#=0 when an Intel HD Audio dongle is connected Analog Port 2 - Right channel (Headphone) Jack detection return for front panel (JACK1) Jack detection sense line from the Intel HD Audio CODEC jack detection resistor network No pin Analog Port 2 - Left channel (Headphone) Jack detection return for front panel (JACK2) Table 17. Front Panel Audio Header for AC'97 Audio Pin Signal Name Description 1 MIC 2 AUD_GND Front panel microphone input signal (biased when supporting stereo microphone) Ground used by analog audio circuits 3 MIC_BIAS Microphone power / additional MIC input for stereo microphone support 4 PRESENCE# Active low signal that signals BIOS that an Intel HD Audio dongle is connected to the analog header. PRESENCE#=0 when an Intel HD Audio dongle is connected 5 FP_OUT_R 6 AUD_GND 7 RESERVED 8 KEY 9 FP_OUT_L Right channel audio signal to front panel (headphone drive capable) Ground used by analog audio circuits Reserved No pin Left channel audio signal to front panel (headphone drive capable) 10 AUD_GND Ground used by analog audio circuits 52

Section	Page
Intel® Desktop Board DH61AG Technical Product Specification	1
Revision History	2
Disclaimer	2
Board Identification Information	3
Specification Changes or Clarifications	3
Errata	4
Preface	5
Intended Audience	5
What This Document Contains	5
Typographical Conventions	5
Contents	7
1 Product Description	13
1.1 Overview	13
1.1.1 Feature Summary	13
1.1.2 Board Layout (Top)	15
1.1.3 Board Layout (Bottom)	17
1.1.4 Block Diagram	18
1.2 Online Support	19
1.3 Processor	19
1.4 System Memory	20
1.4.1 Memory Configurations	21
1.5 Intel® H61 Express Chipset	23
1.6 Graphics Subsystem	23
1.6.1 Integrated Graphics	23
1.6.2 Flat Panel Display Interfaces	26
1.6.3 USB	29
1.7 SATA Interfaces	30
1.7.1 AHCI Mode	30
1.8 Real-Time Clock Subsystem	31
1.9 Legacy I/O Controller	31
1.9.1 Consumer Infrared (CIR)	31
1.10 Audio Subsystem	32
1.10.1 Audio Subsystem Software	33
1.10.2 Audio Subsystem Components	33
1.11 LAN Subsystem	35
1.11.1 Intel® 82579V Gigabit Ethernet Controller	35
1.11.2 LAN Subsystem Software	36
1.11.3 RJ-45 LAN Connector with Integrated LEDs	36
1.12 Hardware Management Subsystem	37
1.12.1 Hardware Monitoring	37
1.12.2 Fan Monitoring	37
1.12.3 Thermal Monitoring	38
1.13 Power Management	39
1.13.1 ACPI	39
1.13.2 Hardware Support	41
2 Technical Reference	45
2.1 Memory Resources	45
2.1.1 Addressable Memory	45
2.1.2 Memory Map	47
2.2 Connectors and Headers	47
2.2.1 Back Panel Connectors	48
2.2.2 Connectors and Headers (Top)	49
2.2.3 Connectors and Headers (Bottom)	51
2.3 I/O Shields	64
2.4 Jumper Block	67
2.5 Mechanical Considerations	68
2.5.1 Form Factor	68
2.5.2 Board 3D View	70
2.6 Electrical Considerations	71
2.6.1 Power Supply Considerations	71
2.6.2 Fan Header Current Capability	73
2.6.3 PCI Express* Add-in Card Considerations	73
2.7 Thermal Considerations	73
2.8 Reliability	76
2.9 Environmental	76
3 Overview of BIOS Features	77
3.1 Introduction	77
3.2 BIOS Flash Memory Organization	78
3.3 System Management BIOS (SMBIOS)	79
3.4 Legacy USB Support	79
3.5 BIOS Updates	80
3.5.1 Language Support	80
3.5.2 Custom Splash Screen	81
3.6 BIOS Recovery	81
3.7 Boot Options	82
3.7.1 Optical Drive Boot	82
3.7.2 Network Boot	82
3.7.3 Booting Without Attached Devices	82
3.7.4 Changing the Default Boot Device During POST	82
3.8 Hard Disk Drive Password Security Feature	83
3.9 Adjusting Boot Speed	84
3.9.1 Peripheral Selection and Configuration	84
3.9.2 BIOS Boot Optimizations	84
3.10 BIOS Security Features	85
4 Error Messages and Beep Codes	87
4.1 Speaker	87
4.2 BIOS Beep Codes	87
4.3 Front-panel Power LED Blink Codes	88
4.4 BIOS Error Messages	88
4.5 Port 80h POST Codes	89
5 Regulatory Compliance and Battery Disposal Information	95
5.1 Regulatory Compliance	95
5.1.1 Safety Standards	95
5.1.2 European Union Declaration of Conformity Statement	96
5.1.3 Product Ecology Statements	97
5.1.4 EMC Regulations	99
5.1.5 ENERGY STAR* 5.0, e-Standby, and ErP Compliance	102
5.1.6 Regulatory Compliance Marks (Board Level)	103