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Intel D845EBT Product Specification - Page 35

Hardware Management Subsystem

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Product Description The onboard two-channel audio subsystem can be upgraded to four- or six-channel audio using a CNR audio upgrade card in a slave configuration. CNR audio upgrade cards are available in multiple configurations from several different vendors supporting analog or S/PDIF digital connections. ✏ NOTES • For an audio multi-channel upgrade, you must install a audio CNR card that is compatible with the onboard codec. • If you install an audio CNR card that does not provide a multi-channel upgrade, the integrated audio codec on the Desktop Board D845EBT will be disabled. • Check with your CNR vendor to ensure that the CNR card has been tested with ICH4-based systems. For information about CNR audio upgrade cards Refer to http://developer.intel.com/technology/cnr/ 1.14 Hardware Management Subsystem The hardware management features enable the Desktop Board D845EBT to be compatible with the Wired for Management (WfM) specification. The Desktop Board D845EBT has the following hardware management features: • Fan monitoring and control (through the I/O controller or the hardware monitoring and fan control ASIC) • Thermal and voltage monitoring • Chassis intrusion detection For information about The WfM specification Refer to Section 1.4, page 17 35

Section	Page
Intel® Desktop Board D845EBT 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
1.1.4 Block Diagram	15
1.2 Online Support	16
1.3 Operating System Support	16
1.4 Design Specifications	17
1.5 Processor	20
1.6 System Memory	21
1.7 Intel® 845E Chipset	23
1.7.1 AGP	24
1.7.2 USB	24
1.7.3 IDE Support	25
1.7.4 Real-Time Clock, CMOS SRAM, and Battery	26
1.7.5 4 Mbit Firmware Hub (FWH)	26
1.8 IDE RAID Controller	27
1.9 I/O Controller	27
1.9.1 Serial Ports	27
1.9.2 Parallel Port	28
1.9.3 Diskette Drive Controller	28
1.9.4 Keyboard and Mouse Interface	28
1.10 IEEE 1394a-2000 Controller	29
1.11 Audio Subsystem	29
1.11.1 6-Channel Audio Subsystem (Optional)	30
1.11.2 2-Channel Audio Subsystem (Optional)	31
1.11.3 Audio Connectors	32
1.11.4 Audio Subsystem Software	32
1.12 LAN Subsystem	33
1.12.1 Intel® 82562ET Platform LAN Connect Device	33
1.12.2 RJ-45 LAN Connector with Integrated LEDs	33
1.12.3 LAN Subsystem Software	34
1.13 CNR (Optional)	34
1.14 Hardware Management Subsystem	35
1.14.2 Fan Monitoring	37
1.14.3 Chassis Intrusion and Detection	38
1.15 Power Management	38
1.15.1 ACPI	39
1.15.2 Hardware Support	42
2 Technical Reference	47
2.1 Introduction	47
2.2 Memory Map	47
2.3 Fixed I/O Map	48
2.4 DMA Channels	49
2.5 PCI Configuration Space Map	49
2.6 Interrupts	50
2.7 PCI Interrupt Routing Map	51
2.8 Connectors	53
2.8.1 Back Panel Connectors	54
2.8.2 Internal I/O Connectors	58
2.8.3 External I/O Connectors	69
2.9 Jumper Blocks	73
2.9.1 Front Panel Audio Connector/Jumper Block	73
2.9.2 BIOS Setup Configuration Jumper Block	74
2.10 Mechanical Considerations	75
2.10.1 D845EBT Form Factor	75
2.10.2 I/O Shield	76
2.11 Electrical Considerations	78
2.11.1 Power Consumption	78
2.11.2 Add-in Board Considerations	78
2.11.3 Standby Current Requirements	79
2.11.4 Fan Connector Current Capability	80
2.11.5 Power Supply Considerations	81
2.12 Thermal Considerations	82
2.13 Reliability	83
2.14 Environmental	84
2.15 Regulatory Compliance	85
2.15.1 Safety Regulations	85
2.15.2 EMC Regulations	85
2.15.3 Product Certification Markings (Board Level)	86
3 Overview of BIOS Features	87
3.1 Introduction	87
3.2 BIOS Flash Memory Organization	88
3.3 Resource Configuration	88
3.3.1 PCI Autoconfiguration	88
3.3.2 PCI IDE Support	88
3.4 System Management BIOS (SMBIOS)	89
3.5 Legacy USB Support	89
3.6 BIOS Updates	90
3.6.1 Language Support	90
3.6.2 Custom Splash Screen	90
3.7 Recovering BIOS Data	91
3.8 Boot Options	91
3.8.1 CD-ROM Boot	91
3.8.2 Network Boot	92
3.8.3 Booting Without Attached Devices	92
3.9 Changing the Default Boot Device During POST	92
3.10 Fast Booting Systems with Intel® Rapid BIOS Boot	93
3.10.1 Peripheral Selection and Configuration	93
3.10.2 Intel Rapid BIOS Boot	93
3.11 BIOS Security Features	94
4 BIOS Setup Program	95
4.1 Introduction	95
4.2 Maintenance Menu	96
4.3 Main Menu	97
4.4 Advanced Menu	98
4.4.1 PCI Configuration Submenu	99
4.4.2 Boot Configuration Submenu	100
4.4.3 Peripheral Configuration Submenu	101
4.4.4 IDE Configuration Submenu	103
4.4.5 Diskette Configuration Submenu	106
4.4.6 Event Log Configuration Submenu	107
4.4.7 Video Configuration Submenu	108
4.4.8 USB Configuration Submenu	109
4.4.9 Chipset Configuration Submenu	110
4.5 Security Menu	111
4.6 Power Menu	112
4.6.1 ACPI Submenu	112
4.7 Boot Menu	113
4.7.1 Boot Device Priority Submenu	114
4.7.2 Hard Disk Drives Submenu	115
4.7.3 Removable Devices Submenu	115
4.7.4 ATAPI CD-ROM Drives Submenu	116
4.8 Exit Menu	116
5 Error Messages and Beep Codes	117
5.1 BIOS Error Messages	117
5.2 Port 80h POST Codes	119
5.3 Bus Initialization Checkpoints	123
5.4 Speaker	124