Intel DG33BU specifications Error Messages and Beep Codes

Intel Desktop Board DG33BU Technical Product Specification

2 Technical Reference

2.1	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		50
2.4	Mechanical Considerations		51
	2.4.1	Form Factor	51
2.5	Electrical Considerations		52
	2.5.1	Power Supply Considerations	52
	2.5.2 Fan Header Current Capability		53
	2.5.3	Add-in Board Considerations	53
2.6	Thermal Considerations		53
2.7	Reliability		55
2.8	Environmental		56

3 Overview of BIOS Features

3.1	Introduction		57
3.2	BIOS Flash Memory Organization		58
3.3	Resource Configuration		58
	3.3.1	PCI Autoconfiguration	58
	3.3.2	PCI IDE Support	59
3.4	System Management BIOS (SMBIOS)		59
3.5	Legacy USB Support		60
3.6	BIOS Updates		61
	3.6.1	Language Support	61
	3.6.2	Custom Splash Screen	62
3.7	BIOS	Recovery	62
3.8	Boot Options		63
	3.8.1	CD-ROM Boot	63
	3.8.2	Network Boot	63
	3.8.3	Booting Without Attached Devices	63
	3.8.4	Changing the Default Boot Device During POST	63
3.9	Adjusting Boot Speed		64
	3.9.1	Peripheral Selection and Configuration	64
	3.9.2	BIOS Boot Optimizations	64
3.10 BIOS		Security Features	65

4 Error Messages and Beep Codes
4.1	Speaker	67
4.2	BIOS Beep Codes	67
4.3	BIOS Error Messages	67
4.4	Port 80h POST Codes	68

5 Regulatory Compliance and Battery Disposal Information

5.1 Regulatory Compliance 73

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