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Intel DN2800MT Technical Product Specification for Intel Desktop Board DN2800M - Page 11

Master Key and User Hard Drive Password Functions

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Contents 45. Boot Device Menu Options 82 46. Master Key and User Hard Drive Password Functions 84 47. Supervisor and User Password Functions 85 48. BIOS Beep Codes 87 49. Front-panel Power LED Blink Codes 88 50. BIOS Error Messages 88 51. Port 80h POST Code Ranges 89 52. Port 80h POST Codes 90 53. Typical Port 80h POST Sequence 93 54. Safety Standards 95 55. EMC Regulations 99 56. Regulatory Compliance Marks 103 xi

Section	Page
Intel® Desktop Board DN2800MT Technical Product Specification	1
Revision History	2
Disclaimer	2
Board Identification Information	3
Specification Changes or Clarifications	3
Errata	3
Preface	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
1.5 Intel® NM10 Express Chipset	22
1.6 Graphics Subsystem	22
1.6.1 Integrated Graphics	22
1.6.2 Flat Panel Display Interfaces	24
1.6.3 USB	27
1.7 SATA Interfaces	28
1.7.1 AHCI Mode	28
1.8 Real-Time Clock Subsystem	29
1.9 Legacy I/O Controller	29
1.9.1 Serial Ports	29
1.9.2 Parallel Port	29
1.10 Audio Subsystem	30
1.10.1 Audio Subsystem Software	31
1.10.2 Audio Subsystem Components	31
1.11 LAN Subsystem	33
1.11.1 Intel® 82574L Gigabit Ethernet Controller	33
1.11.2 LAN Subsystem Software	34
1.11.3 RJ-45 LAN Connector with Integrated LEDs	34
1.12 Hardware Management Subsystem	35
1.12.1 Hardware Monitoring	35
1.12.2 Fan Monitoring	35
1.12.3 Thermal Monitoring	36
1.13 Power Management	37
1.13.1 ACPI	37
1.13.2 Hardware Support	39
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 Connectors and Headers (Top)	47
2.2.3 Connectors and Headers (Bottom)	49
2.3 I/O Shields	63
2.4 Jumper Block	64
2.5 Mechanical Considerations	66
2.5.1 Form Factor	66
2.5.2 Board 3D View	68
2.6 Electrical Considerations	69
2.6.1 Power Supply Considerations	69
2.6.2 Fan Header Current Capability	71
2.6.3 PCI Express* Add-in Card Considerations	71
2.7 Thermal Considerations	71
2.7.1 Chassis Design Guideline	73
2.8 Reliability	74
2.9 Environmental	75
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 Adjusting Boot Speed	83
3.8.1 Peripheral Selection and Configuration	83
3.9 Hard Disk Drive Password Security Feature	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