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Intel, Virtualization Technology for Directed I/O, Anti-Theft Technology

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Intel Desktop Board DB75EN Technical Product Specification 1.11.3 Intel® Virtualization Technology for Directed I/O Intel® Virtualization Technology for Directed I/O (Intel® VT-d) allows addresses in incoming I/O device memory transactions to be remapped to different host addresses. This provides Virtual Machine Monitor (VMM) software with: • Improved reliability and security through device isolation using hardware assisted remapping • Improved I/O performance and availability by direct assignment of devices. For information about Intel Virtualization Technology for Directed I/O Refer to http://www.intel.com/technology/itj/2006/v10i3/2-io/4virtualization-techniques.htm 1.11.4 Intel® Anti-Theft Technology Intel® Anti-Theft (Intel® AT) provides local, tamper-resistant defense that works like a poison pill that disables the computer and access to its data even if the operating system (OS) is reimaged, a new hard drive is installed, or the computer is disconnected from the network. NOTE No computer system can provide absolute security under all conditions. Intel AT requires the computer system to have an Intel AT-enabled chipset, BIOS, firmware release, software, and an Intel AT-capable Service Provider/ISV application and service subscription. The detection (triggers), response (actions), and recovery mechanisms only work after the Intel AT functionality has been activated and configured. Certain functionality may not be offered by some ISVs or service providers and may not be available in all countries. Intel assumes no liability for lost or stolen data and/or systems or any other damages resulting thereof. For information about Intel Anti-Theft Refer to http://antitheft.intel.com/welcome.aspx 32

Section	Page
Intel® Desktop Board DB75EN 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 Online Support	16
1.3 Processor	16
1.3.1 Graphics Subsystem	17
1.4 System Memory	19
1.4.1 Memory Configurations	20
1.5 Intel® B75 Express Chipset	22
1.5.1 Direct Media Interface (DMI)	22
1.5.2 Display Interfaces	22
1.5.3 USB	23
1.5.4 SATA Interfaces	23
1.6 Real-Time Clock Subsystem	24
1.7 Legacy I/O Controller	24
1.8 Audio Subsystem	25
1.8.1 Audio Subsystem Software	25
1.8.2 Audio Connectors and Headers	26
1.9 LAN Subsystem	27
1.9.1 Intel® 82579V Gigabit Ethernet Controller	27
1.9.2 LAN Subsystem Software	28
1.9.3 RJ-45 LAN Connector with Integrated LEDs	28
1.10 Hardware Management Subsystem	29
1.10.1 Hardware Monitoring	29
1.10.2 Fan Monitoring	29
1.10.3 Chassis Intrusion and Detection	29
1.10.4 Thermal Monitoring	30
1.11 Intel® Security and Manageability Technologies	31
1.11.1 Intel® Small Business Technology	31
1.11.2 Intel® Virtualization Technology	31
1.11.3 Intel® Virtualization Technology for Directed I/O	32
1.11.4 Intel® Anti-Theft Technology	32
1.11.5 Intel® Management Engine (Intel® ME) Software and Drivers	33
1.12 Power Management	34
1.12.1 ACPI	34
1.12.2 Hardware Support	36
2 Technical Reference	41
2.1 Memory Resources	41
2.1.1 Addressable Memory	41
2.1.2 Memory Map	43
2.2 Connectors and Headers	43
2.2.1 Back Panel Connectors	44
2.2.2 Component-side Connectors and Headers	45
2.3 Jumper Block	55
2.4 Intel® Management Engine BIOS Extension (Intel® MEBX) Reset Header	56
2.5 Mechanical Considerations	57
2.5.1 Form Factor	57
2.6 Electrical Considerations	58
2.6.1 Power Supply Considerations	58
2.6.2 Power Supervisor	59
2.6.3 Fan Header Current Capability	59
2.6.4 Add-in Board Considerations	59
2.7 Thermal Considerations	59
2.8 Reliability	62
2.9 Environmental	62
3 Overview of BIOS Features	63
3.1 Introduction	63
3.2 BIOS Flash Memory Organization	64
3.3 Resource Configuration	64
3.3.1 PCI Express Autoconfiguration	64
3.4 System Management BIOS (SMBIOS)	65
3.5 Legacy USB Support	65
3.6 BIOS Updates	66
3.6.1 Language Support	66
3.6.2 Custom Splash Screen	67
3.7 BIOS Recovery	67
3.8 Boot Options	68
3.8.1 Optical Drive Boot	68
3.8.2 Network Boot	68
3.8.3 Booting Without Attached Devices	68
3.8.4 Changing the Default Boot Device During POST	68
3.9 Adjusting Boot Speed	69
3.9.1 Peripheral Selection and Configuration	69
3.9.2 BIOS Boot Optimizations	69
3.10 BIOS Security Features	70
3.11 BIOS Performance Features	71
4 Error Messages and Beep Codes	73
4.1 Speaker	73
4.2 BIOS Beep Codes	73
4.3 Front-panel Power LED Blink Codes	74
4.4 BIOS Error Messages	74
4.5 Port 80h Power On Self Test (POST) Codes	75
5 Regulatory Compliance and Battery Disposal Information	81
5.1 Regulatory Compliance	81
5.1.1 Safety Standards	81
5.1.2 European Union Declaration of Conformity Statement	82
5.1.3 Product Ecology Statements	83
5.1.4 China RoHS	86
5.1.5 EMC Regulations	87
5.1.6 ENERGY STAR* 5.0, e-Standby, and ErP Compliance	89
5.1.7 Regulatory Compliance Marks (Board Level)	90

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Intel Desktop Board DB75EN Technical Product Specification

1.11.3

Intel

Virtualization Technology for Directed I/O

Intel

Virtualization Technology for Directed I/O (Intel

VT-d) allows addresses in

incoming I/O device memory transactions to be remapped to different host addresses.

This provides Virtual Machine Monitor (VMM) software with:

•

Improved reliability and security through device isolation using hardware assisted

remapping

•

Improved I/O performance and availability by direct assignment of devices.

For information about

Refer to

Intel Virtualization Technology for Directed

I/O

http://www.intel.com/technology/itj/2006/v10i3/2-io/4-

virtualization-techniques.htm

1.11.4

Intel

Anti-Theft Technology

Intel

Anti-Theft (Intel

AT) provides local, tamper-resistant defense that works like a

poison pill that disables the computer and access to its data even if the operating

system (OS) is reimaged, a new hard drive is installed, or the computer is

disconnected from the network.

NOTE

No computer system can provide absolute security under all conditions. Intel AT

requires the computer system to have an Intel AT-enabled chipset, BIOS, firmware

release, software, and an Intel AT-capable Service Provider/ISV application and service

subscription. The detection (triggers), response (actions), and recovery mechanisms

only work after the Intel AT functionality has been activated and configured. Certain

functionality may not be offered by some ISVs or service providers and may not be

available in all countries. Intel assumes no liability for lost or stolen data and/or

systems or any other damages resulting thereof.

For information about

Refer to

Intel Anti-Theft

http://antitheft.intel.com/welcome.aspx