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Intel BOXD845GLVAL Product Specification - Page 38

Power Connector, 13.2.2, Fan Connectors

UPC - 735858160452

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Intel Desktop Board D845GLVA Technical Product Specification ✏ NOTE The use of Resume on Ring and Wake from USB technologies from an ACPI state requires an operating system that provides full ACPI support. 1.13.2.1 Power Connector ATX12V- and SFX12V-compliant power supplies can turn off the system power through system control. When an ACPI-enabled system receives the correct command, the power supply removes all non-standby voltages. When resuming from an AC power failure, the computer returns to the power state it was in before power was interrupted (on or off). The computer's response can be set using the Last Power State feature in the BIOS Setup program's Boot menu. For information about The location of the power connector The signal names of the power connector The BIOS Setup program's Boot menu The ATX and SFX specifications Refer to Figure 5, page 50 Table 27, page 52 Table 64, page 100 Section 1.5, page 17 1.13.2.2 Fan Connectors Table 14 summarizes the function/operation of the fan connectors. Table 14. Fan Connector Function/Operation Connector Description Processor fan Front chassis fan Rear chassis fan • +12 V DC connection for a processor fan or active fan heatsink. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Wired to a fan tachometer input of the I/O controller. • +12 V DC connection for a system or chassis fan. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • +12 V DC connection for a system or chassis fan. • Fan is on in the S0 or S1 state. Fan is off when the system is off or in the S3, S4, or S5 state. • Wired to a fan tachometer input of the I/O controller. 38

Section	Page
Intel® Desktop Board D845GLVA Technical Product Specification	1
Revision History / Disclaimer	2
Preface	3
Intended Audience	3
What This Document Contains	3
Typographical Conventions	3
Notes, Cautions, and Warnings	3
Other Common Notation	4
Contents	5
1 Product Description	11
1.1 Overview	12
1.1.1 Feature Summary	12
1.1.2 Manufacturing Options	13
1.1.3 Board Layout	14
1.2 Block Diagram	15
1.3 Online Support	16
1.4 Operating System Support	16
1.5 Design Specifications	17
1.6 Processor	20
1.7 System Memory	21
1.8 Intel® 845GL Chipset	23
1.8.1 Intel® Extreme Graphics Controller	23
1.8.2 USB	28
1.8.3 IDE Interfaces	28
1.8.4 Real-Time Clock, CMOS SRAM, and Battery	29
1.9 I/O Controller	30
1.9.1 Serial Port	30
1.9.2 Parallel Port	30
1.9.3 Diskette Drive Controller	30
1.9.4 Keyboard and Mouse Interface	30
1.10 Audio Subsystem	31
1.10.1 Audio Connectors	31
1.10.2 Audio Subsystem Software	32
1.11 LAN Subsystem (Optional)	32
1.11.1 Intel® 82562ET Platform LAN Connect Device	32
1.11.2 RJ-45 LAN Connector with Integrated LEDs	32
1.11.3 LAN Subsystem Software	33
1.12 Hardware Management Subsystem	33
1.12.1 Hardware Monitoring ASIC (Optional)	33
1.12.2 Fan Monitoring	33
1.12.3 Chassis Intrusion and Detection	34
1.13 Power Management	34
1.13.1 ACPI	35
1.13.2 Hardware Support	37
2 Technical Reference	41
2.1 Introduction	41
2.2 Memory Map	41
2.3 Fixed I/O Map	42
2.4 DMA Channels	43
2.5 PCI Configuration Space Map	43
2.6 Interrupts	44
2.7 PCI Interrupt Routing Map	45
2.8 Connectors	47
2.8.1 Back Panel Connectors	48
2.8.2 Internal I/O Connectors	49
2.8.3 External I/O Connectors	54
2.9 Jumper Blocks	58
2.9.1 Front Panel Audio Connector/Jumper Block	58
2.9.2 BIOS Setup Configuration Jumper Block	59
2.10 Mechanical Considerations	60
2.10.1 I/O Shield	61
2.11 Electrical Considerations	62
2.11.1 Power Consumption	62
2.11.2 Add-in Board Considerations	62
2.11.3 Standby Current Requirements	63
2.11.4 Fan Connector Current Capability	64
2.11.5 Power Supply Considerations	64
2.12 Thermal Considerations	65
2.13 Reliability	67
2.14 Environmental	67
2.15 Regulatory Compliance	68
2.15.1 Safety Regulations	68
2.15.2 EMC Regulations	68
2.15.3 European Union Declaration of Conformity Statement	69
2.15.4 Product Ecology Statements	70
2.15.5 Product Certification Markings (Board Level)	71
3 Overview of BIOS Features	73
3.1 Introduction	73
3.2 BIOS Flash Memory Organization	74
3.3 Resource Configuration	74
3.3.1 PCI Autoconfiguration	74
3.3.2 PCI IDE Support	74
3.4 System Management BIOS (SMBIOS)	74
3.5 Legacy USB Support	75
3.6 BIOS Updates	76
3.6.1 Language Support	76
3.6.2 Custom Splash Screen	76
3.7 Recovering BIOS Data	77
3.8 Boot Options	78
3.8.1 CD-ROM Boot	78
3.8.2 Network Boot	78
3.8.3 Booting Without Attached Devices	78
3.8.4 Changing the Default Boot Device During POST	78
3.9 Fast Booting Systems with Intel Rapid BIOS Boot	79
3.9.1 Peripheral Selection and Configuration	79
3.9.2 Intel Rapid BIOS Boot	79
3.10 BIOS Security Features	80
4 BIOS Setup Program	81
4.1 Introduction	81
4.2 Maintenance Menu	82
4.3 Main Menu	83
4.4 Advanced Menu	84
4.4.1 PCI Configuration Submenu	85
4.4.2 Boot Configuration Submenu	86
4.4.3 Peripheral Configuration Submenu	87
4.4.4 IDE Configuration Submenu	89
4.4.5 Diskette Configuration Submenu	92
4.4.6 Event Log Configuration Submenu	93
4.4.7 Video Configuration Submenu	94
4.4.8 USB Configuration Submenu	95
4.4.9 Chipset Configuration Submenu	96
4.5 Security Menu	98
4.6 Power Menu	99
4.6.1 ACPI Submenu	99
4.7 Boot Menu	100
4.7.1 Boot Device Priority Submenu	101
4.7.2 Hard Disk Drives Submenu	102
4.7.3 Removable Devices Submenu	102
4.7.4 ATAPI CD-ROM Drives Submenu	103
4.8 Exit Menu	104
5 Error Messages and Beep Codes	105
5.1 BIOS Error Messages	105
5.2 Port 80h POST Codes	107
5.3 Bus Initialization Checkpoints	111
5.4 Speaker	112