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Board Status LEDs

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Intel Desktop Board DZ77RE-75K Technical Product Specification 1.13 Board Status LEDs The Desktop Board provides 11 LEDs that allow you to monitor the board's progress through the BIOS Power-on Self-Test. At initial power on, all the LEDs are off. When the BIOS starts an activity such as memory initialization, the corresponding LED starts flashing. Once the activity has completed, the LED will remain on. Figure 10 shows the location of the board status LEDs. Figure 10. Location of Board Status LEDs Table 10 gives a description of the LEDs shown in Figure 10. 44

Section	Page
Intel® Desktop Board DZ77RE-75K Technical Product Specification	1
Revision History	2
Board Identification Information	3
Errata	3
Preface	5
Intended Audience	5
What This Document Contains	5
Typographical Conventions	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	16
1.2 Online Support	17
1.3 Processor	17
1.3.1 Graphics Subsystem	18
1.3.1.1 Processor Graphics	18
1.3.1.1.1 Intel® High Definition (Intel® HD) Graphics	18
1.3.1.2 PCI Express x16 Graphics	18
1.4 System Memory	19
1.4.1 Memory Configurations	21
1.5 Intel® Z77 Express Chipset	23
1.5.1 Direct Media Interface (DMI)	23
1.5.2 Display Interfaces	23
1.5.2.1 Intel® Flexible Display Interconnect (Intel® FDI)	23
1.5.2.2 High-bandwidth Digital Content Protection (HDCP)	23
1.5.2.3 High Definition Multimedia Interface* (HDMI*)	23
1.5.3 USB	24
1.5.4 SATA Interfaces	25
1.5.4.1 SATA RAID	25
1.5.4.2 Intel® Smart Response Technology	26
1.6 Real-Time Clock Subsystem	26
1.7 Legacy I/O Controller	27
1.7.1 Consumer Infrared (CIR)	27
1.8 Audio Subsystem	28
1.8.1 Audio Subsystem Software	28
1.8.2 Audio Subsystem Components	29
1.9 Connectivity	30
1.9.1 LAN Subsystem	30
1.9.1.1 Intel® 82579 Gigabit Ethernet Controller and Intel® 82574 Gigabit Ethernet Controller	30
1.9.1.2 LAN Subsystem Software	31
1.9.1.3 RJ-45 LAN Connectors with Integrated LEDs	31
1.9.2 Thunderbolt™ Technology Interface	32
1.10 Bluetooth*/WiFi Module	32
1.10.1 Bluetooth Technology (Module)	32
1.10.2 WiFi 802.11 Wireless (Module)	33
1.11 Hardware Management Subsystem	34
1.11.1 Hardware Monitoring and Fan Control	34
1.11.2 Fan Monitoring	34
1.11.3 Chassis Intrusion and Detection	34
1.11.4 Thermal Monitoring	35
1.12 Power Management	36
1.12.1 ACPI	36
1.12.1.1 System States and Power States	37
1.12.1.2 Wake-up Devices and Events	38
1.12.2 Hardware Support	39
1.12.2.1 Power Connector	39
1.12.2.2 Fan Headers	40
1.12.2.3 LAN Wake Capabilities	40
1.12.2.4 Instantly Available PC Technology	41
1.12.2.5 Wake from USB	41
1.12.2.6 PME# Signal Wake-up Support	41
1.12.2.7 WAKE# Signal Wake-up Support	41
1.12.2.8 Wake from Consumer IR	41
1.12.2.9 Wake from S5	41
1.12.2.10 Power Supervisor	42
1.12.2.11 +5 V Standby Power Indicator LED	42
1.12.2.12 Voltage Regulator (VR) Status LEDs	43
1.13 Board Status LEDs	44
1.14 Onboard Power and Reset Buttons	46
2 Technical Reference	47
2.1 Memory Resources	47
2.1.1 Addressable Memory	47
2.1.2 Memory Map	49
2.2 Connectors and Headers	49
2.2.1 Back Panel Connectors	50
2.2.2 Component-side Connectors and Headers	51
2.2.2.1 Signal Tables for the Connectors and Headers	53
2.2.2.2 Add-in Card Connectors	56
2.2.2.3 Power Supply Connectors	57
2.2.2.4 Front Panel Header	58
2.2.2.4.1 Hard Drive Activity LED Header	58
2.2.2.4.2 Reset Switch Header	59
2.2.2.4.3 Power/Sleep LED Header	59
2.2.2.4.4 Power Switch Header	59
2.2.2.5 Front Panel USB 2.0 Headers	60
2.3 Jumper Block	61
2.4 Mechanical Considerations	63
2.4.1 Form Factor	63
2.5 Electrical Considerations	64
2.5.1 Power Supply Considerations	64
2.5.2 Fan Header Current Capability	65
2.5.3 Add-in Board Considerations	65
2.6 Thermal Considerations	66
2.7 Reliability	68
2.8 Environmental	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
3.4 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	73
3.7 BIOS Recovery	73
3.8 Boot Options	74
3.8.1 Optical Drive Boot	74
3.8.2 Network Boot	74
3.8.3 Booting Without Attached Devices	74
3.8.4 Changing the Default Boot Device During POST	74
3.9 Adjusting Boot Speed	75
3.9.1 Peripheral Selection and Configuration	75
3.9.2 BIOS Boot Optimizations	75
3.10 BIOS Security Features	76
3.11 Back to BIOS Button	77
3.12 BIOS Performance Features	77
4 Error Messages and Beep Codes	79
4.1 Speaker	79
4.2 BIOS Beep Codes	79
4.3 Front-panel Power LED Blink Codes	80
4.4 BIOS Error Messages	80
4.5 Port 80h Power On Self Test (POST) Codes	81
5 Regulatory Compliance and Battery Disposal Information	87
5.1 Regulatory Compliance	87
5.1.1 Safety Standards	87
5.1.2 European Union Declaration of Conformity Statement	88
5.1.3 Product Ecology Statements	89
5.1.3.1 Disposal Considerations	89
5.1.3.2 Recycling Considerations	89
5.1.4 EMC Regulations	91
5.1.5 ENERGY STAR* 5.0, e-Standby, and ErP Compliance	94
5.1.6 Regulatory Compliance Marks (Board Level)	95