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Intel BLKD945GCLF Product Specification - Page 8

Port 80h POST Code Ranges

UPC - 735858201254

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Intel Desktop Board D945GCLF Technical Product Specification Table 30. Table 31. Table 32. Table 33. Table 34. Table 35. Table 36. Table 37. Table 38. Table 39. Front-panel Power LED Blink Codes 65 Beep Codes 66 BIOS Error Messages 66 Port 80h POST Code Ranges 67 Port 80h POST Codes 68 Typical Port 80h POST Sequence 71 Safety Standards 73 Lead-Free Board Markings 78 EMC Regulations 79 Product Certification Markings 80 viii

Section	Page
Intel® Desktop Board D945GCLF Technical Product Specification	1
Revision History	2
Preface	3
Typographical Conventions	3
What This Document Contains	3
Intended Audience	3
Contents	5
1 Product Description	9
1.1 Overview	10
1.1.1 Feature Summary	10
1.1.2 Board Layout	12
1.1.3 Block Diagram	14
1.2 Legacy Considerations	15
1.3 Online Support	15
1.4 Processor	15
1.5 System Memory	16
1.6 Intel® 945GC Chipset	17
1.6.1 Intel 945GC Graphics Subsystem	17
1.6.2 USB	19
1.6.3 IDE Support	20
1.7 Real-Time Clock Subsystem	21
1.8 Legacy I/O Controller	22
1.8.1 Serial Port	22
1.8.2 Parallel Port	22
1.8.3 Keyboard and Mouse Interface	22
1.9 Audio Subsystem	23
1.9.1 Audio Subsystem Software	24
1.9.2 Audio Connectors and Headers	24
1.10 LAN Subsystem	25
1.10.1 LAN Subsystem Software	25
1.10.2 RJ-45 LAN Connector with Integrated LEDs	26
1.11 Hardware Management Subsystem	27
1.11.1 Hardware Monitoring	27
1.11.2 Thermal Monitoring	28
1.12 Power Management	29
1.12.1 ACPI	29
1.12.2 Hardware Support	32
1.12.3 ENERGY STAR*	36
2 Technical Reference	37
Memory Map	37
2.1.1 Addressable Memory	37
2.2 Connectors and Headers	40
2.2.1 Back Panel Connectors	41
2.2.2 Component-side Connectors and Headers	42
2.3 Jumper Block	49
2.4 Mechanical Considerations	50
2.4.1 Form Factor	50
2.5 Electrical Considerations	51
2.5.1 Power Supply Considerations	51
2.5.2 Fan Header Current Capability	51
2.5.3 Add-in Board Considerations	52
2.6 Thermal Considerations	52
2.7 Reliability	54
2.8 Environmental	54
3 Overview of BIOS Features	55
3.1 Introduction	55
3.2 BIOS Flash Memory Organization	56
3.3 Resource Configuration	56
3.3.1 PCI* Autoconfiguration	56
3.4 System Management BIOS (SMBIOS)	57
3.5 Legacy USB Support	58
3.6 BIOS Updates	59
3.6.1 Language Support	59
3.6.2 Custom Splash Screen	59
3.7 BIOS Recovery	60
3.8 Boot Options	61
3.8.1 CD-ROM Boot	61
3.8.2 Network Boot	61
3.8.3 Booting Without Attached Devices	61
3.8.4 Changing the Default Boot Device During POST	61
3.9 Adjusting Boot Speed	62
3.9.1 Peripheral Selection and Configuration	62
3.9.2 BIOS Boot Optimizations	62
3.10 BIOS Security Features	63
4 Error Messages and Beep Codes	65
BIOS Front-panel Power LED Codes	65
4.2 BIOS Beep Codes	66
4.3 BIOS Error Messages	66
4.4 Port 80h POST Codes	67
5 Regulatory Compliance and Battery Disposal Information	73
5.1 Regulatory Compliance	73
5.1.1 Safety Standards	73
5.1.2 European Union Declaration of Conformity Statement	74
5.1.3 Product Ecology Statements	75
5.1.4 EMC Regulations	79
5.1.5 Product Certification Markings (Board Level)	80