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Intel D2550DC2 Technical product specification - Page 74

Intel Desktop Board D2550DC2 Technical Product Specification, Port 80 Code, Progress Code Enumeration

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Intel Desktop Board D2550DC2 Technical Product Specification Table 36. Port 80h POST Codes (continued) Port 80 Code 0x90 0x91 0x92 0x93 0x94 0x95 0x98 0x99 0x9A 0x9B 0xB0 0xB1 Progress Code Enumeration Keyboard (PS/2 or USB) Resetting keyboard Disabling the keyboard Detecting the presence of the keyboard Enabling the keyboard Clearing keyboard input buffer Instructing keyboard controller to run Self Test (PS/2 only) Mouse (PS/2 or USB) Resetting mouse Detecting mouse Detecting presence of mouse Enabling mouse Fixed Media Resetting fixed media Disabling fixed media 0xB2 0xB3 0xB8 0xB9 0xBA 0xBC 0xE4 0xE7 0xE8 0xE9 0xEB 0xF8 0xF9 Detecting presence of a fixed media (IDE hard drive detection etc.) Enabling/configuring a fixed media Removable Media Resetting removable media Disabling removable media Detecting presence of a removable media (IDE, CDROM detection etc.) Enabling/configuring a removable media DXE Core Entered DXE phase BDS Waiting for user input Checking password Entering BIOS setup Calling Legacy Option ROMs Runtime Phase/EFI OS Boot EFI boot service ExitBootServices ( ) has been called EFI runtime service SetVirtualAddressMap ( ) has been called 74

Section	Page
Intel® Desktop Board D2550DC2 Technical Product Specification	1
Revision History	2
Board Identification Information	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 Intel® D2550 Graphics Subsystem	17
1.4 System Memory	18
1.5 Intel® NM10 Express Chipset	20
1.5.2 USB	21
1.5.3 SATA Support	21
1.6 Real-Time Clock Subsystem	22
1.7 Legacy I/O Controller	22
1.8 LAN Subsystem	23
1.8.1 LAN Subsystem Drivers	23
1.8.2 RJ-45 LAN Connector with Integrated LEDs	24
1.9 Audio Subsystem	25
1.9.1 Audio Subsystem Software	26
1.9.2 Audio Connectors and Headers	26
1.10 Hardware Management Subsystem	27
1.10.1 Hardware Monitoring	27
1.10.2 Thermal Monitoring	28
1.11 Power Management	29
1.11.1 ACPI	29
1.11.2 Hardware Support	32
2 Technical Reference	35
2.1 Memory Map	35
2.1.1 Addressable Memory	35
2.2 Connectors and Headers	38
2.2.1 Back Panel	39
2.2.2 Component-side Connectors and Headers	41
2.3 BIOS Configuration Jumper Block	50
2.4 Mechanical Considerations	52
2.4.1 Form Factor	52
2.5 Electrical Considerations	53
2.5.1 Fan Header Current Capability	53
2.5.2 Add-in Board Considerations	53
2.6 Thermal Considerations	53
2.6.1 Passive Heatsink Design in a Passive System Environment	55
2.7 Power Consumption	58
2.7.1 Minimum Load Configuration	58
2.7.2 Maximum Load Configuration	58
2.8 Reliability	59
2.9 Environmental	59
3 Overview of BIOS Features	61
3.1 Introduction	61
3.2 BIOS Flash Memory Organization	62
3.3 Resource Configuration	62
3.3.1 PCI* Autoconfiguration	62
3.4 System Management BIOS (SMBIOS)	63
3.5 Legacy USB Support	64
3.6 BIOS Updates	65
3.6.1 BIOS Recovery	65
3.6.2 Custom Splash Screen	66
3.7 Boot Options	66
3.7.1 Optical Drive Boot	66
3.7.2 Network Boot	66
3.7.3 Booting Without Attached Devices	67
3.7.4 Changing the Default Boot Device During POST	67
3.8 BIOS Security Features	68
4 Board Status and Error Messages	69
4.1 BIOS Beep Codes	69
4.2 Front-panel Power LED Blink Codes	70
4.3 BIOS Error Messages	70
4.4 Port 80h POST Codes	71
5 Regulatory Compliance and Battery Disposal Information	77
5.1 Regulatory Compliance	77
5.1.1 Safety Standards	77
5.1.2 European Union Declaration of Conformity Statement	78
5.1.3 Product Ecology Statements	79
5.1.4 EMC Regulations	81
5.1.5 ENERGY STAR* 5.0, e-Standby, and ErP Compliance	84
5.1.6 Regulatory Compliance Marks (Board Level)	85