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Intel BLKDQ35JO Product Specification - Page 57

Caution

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Overview of BIOS Features CAUTION Ensure that proper airflow is maintained in the processor voltage regulator circuit. Failure to do so may result in damage to the voltage regulator circuit. The processor voltage regulator area (shown in Figure 17) can reach a temperature of up to 85 oC in an open chassis. Figure 17 shows the locations of the localized high temperature zones. Item A B C D Description Processor voltage regulator area Processor Intel 82Q35 GMCH Intel 82801IDO ICH9DO Figure 17. Localized High Temperature Zones Table 29 provides maximum case temperatures for the board components that are sensitive to thermal changes. The operating temperature, current load, or operating frequency could affect case temperatures. Maximum case temperatures are important when considering proper airflow to cool the board. 57

Section	Page
Intel® Desktop Board DQ35JO Technical Product Specification	1
Revision History	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	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
1.5.1 Memory Configurations	17
1.6 Intel® Q35 Express Chipset	19
1.6.1 Intel Q35 Graphics Subsystem	19
1.6.2 USB	21
1.6.3 Serial ATA Interfaces	21
1.7 Parallel IDE Controller	22
1.8 Real-Time Clock Subsystem	23
1.9 Legacy I/O Controller	23
1.9.1 Serial Port	23
1.10 Audio Subsystem	24
1.10.1 Audio Subsystem Software	24
1.10.2 Audio Connectors and Headers	25
1.11 LAN Subsystem	26
1.11.1 Intel® 82566DM-2 Gigabit Ethernet Controller	26
1.11.2 LAN Subsystem Software	27
1.11.3 RJ-45 LAN Connector with Integrated LEDs	27
1.12 Intel® Active Management Technology(Intel® AMT)	28
1.12.1 Intel AMT Features	28
1.12.2 Intel AMT Software and Drivers	29
1.13 Hardware Management Subsystem	30
1.13.1 Hardware Monitoring and Fan Control	30
1.13.2 Fan Monitoring	30
1.13.3 Chassis Intrusion and Detection	30
1.13.4 Thermal Monitoring	31
1.14 Power Management	32
1.14.1 ACPI	32
1.14.2 Hardware Support	35
1.15 Trusted Platform Module (TPM)	39
2 Technical Reference	41
Memory Map	41
2.1.1 Addressable Memory	41
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	53
2.4 Mechanical Considerations	54
2.4.1 Form Factor	54
2.5 Electrical Considerations	55
2.5.1 Power Supply Considerations	55
2.5.2 Fan Header Current Capability	55
2.5.3 Add-in Board Considerations	56
2.6 Thermal Considerations	56
2.7 Reliability	58
2.8 Environmental	58
3 Overview of BIOS Features	59
3.1 Introduction	59
3.2 BIOS Flash Memory Organization	60
3.3 Resource Configuration	60
3.3.1 PCI Autoconfiguration	60
3.3.2 PCI IDE Support	61
3.4 System Management BIOS (SMBIOS)	61
3.5 Legacy USB Support	62
3.6 BIOS Updates	62
3.6.1 Language Support	63
3.6.2 Custom Splash Screen	63
3.7 BIOS Recovery	63
3.8 Boot Options	64
3.8.1 CD-ROM Boot	64
3.8.2 Network Boot	64
3.8.3 Booting Without Attached Devices	64
3.8.4 Changing the Default Boot Device During POST	64
3.9 Adjusting Boot Speed	65
3.9.1 Peripheral Selection and Configuration	65
3.9.2 BIOS Boot Optimizations	65
3.10 BIOS Security Features	66
4 Error Messages and Beep Codes	67
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	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