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Intel D850EMV2 Product Specification - Page 41

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Product Description 1.14.1.1.2 Wake-up Devices and Events Table 12 lists the devices or specific events that can wake the computer from specific states. Table 12. Wake-up Devices and Events These devices/events can wake up the computer... Power switch RTC alarm LAN CNR PME# Modem (back panel serial port A) USB PS/2 keyboard ...from this state S1, S3, S4, S5 S1, S3, S4, S5 S1, S3, S4, S5 (Note) S1, S3, S4, S5 (Note) S1, S3, S4, S5 (Note) S1, S3 S1, S3 S1, S3 Note: For LAN, CNR, and PME#, S5 is disabled by default in the BIOS Setup program. Setting this option to Power On will enable a wake-up event from LAN in the S5 state. ✏ NOTE The use of these wake-up events from an ACPI state requires an operating system that provides full ACPI support. In addition, software, drivers, and peripherals must fully support ACPI wake events. 1.14.1.1.3 Plug and Play In addition to power management, ACPI provides control information so that operating systems can facilitate Plug and Play. ACPI is used only to configure devices that do not use other hardware configuration standards. PCI devices, for example, are not configured by ACPI. 1.14.2 Hardware Support CAUTION Ensure that the power supply provides adequate +5 V standby current if the LAN wake capabilities and Instantly Available technology features are used. Failure to do so can damage the power supply. The total amount of standby current required depends on the wake devices supported and manufacturing options. Refer to Section 2.11.3 on page 80 for additional information. The desktop boards D850EMD2/D850EMV2 provide several power management hardware features, including: • Power connector • Fan connectors • LAN wake capabilities • Instantly Available technology • Wake from USB • Wake from PS/2 keyboard • PME# wake-up support 41

Section	Page
Intel® Desktop Board D850EMD2/D850EMV2 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 Board Differences	11
1.2 Overview	12
1.2.1 Feature Summary	12
1.2.2 Manufacturing Options	13
1.2.3 Board Layouts	14
1.2.4 Block Diagram	16
1.3 Online Support	18
1.4 Operating System Support	18
1.5 Design Specifications	19
1.6 Processor	22
1.7 System Memory	23
1.7.1 Memory Features	23
1.7.2 Continuity RIMM Modules	23
1.7.3 RDRAM Memory Configuration	24
1.8 Intel® 850E Chipset	25
1.8.1 AGP	26
1.8.2 USB	26
1.8.3 IDE Support	28
1.8.4 Real-Time Clock, CMOS SRAM, and Battery	29
1.8.5 4 Mbit FWH	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	31
1.9.4 Keyboard and Mouse Interface	31
1.10 Audio Subsystem	32
1.10.1 Audio Connectors	33
1.10.2 Audio Subsystem Software	33
1.11 LAN Subsystem (Optional)	34
1.11.1 Intel® 82562ET PLC Device	34
1.11.2 RJ-45 LAN Connector with Integrated LEDs	34
1.11.3 LAN Subsystem Software	35
1.12 CNR (Optional)	35
1.13 Hardware Management Subsystem	36
1.13.1 Hardware Monitoring ASICs	36
1.13.2 Fan Control and Monitoring	38
1.14 Power Management	39
1.14.1 ACPI	39
1.14.2 Hardware Support	41
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	57
2.8.3 External I/O Connectors	70
2.9 Jumper Blocks	74
2.9.1 Front Panel Audio Connector/Jumper Block	74
2.9.2 BIOS Setup Configuration Jumper Block	75
2.10 Mechanical Considerations	76
2.10.1 Desktop Board D850EMD2 Form Factor	76
2.10.2 Desktop Board D850EMV2 Form Factor	77
2.10.3 I/O Shield	78
2.11 Electrical Considerations	79
2.11.1 Power Consumption	79
2.11.2 Add-in Board Considerations	79
2.11.3 Standby Current Requirements	80
2.11.4 Fan Connector Current Capability	81
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	87
3.3 Resource Configuration	87
3.3.1 PCI Autoconfiguration	87
3.3.2 PCI IDE Support	88
3.4 SMBIOS	88
3.5 Legacy USB Support	89
3.6 BIOS Updates	89
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
3.8.4 Changing the Default Boot Device During POST	92
3.9 Fast Booting Systems with Intel® Rapid BIOS Boot	92
3.9.1 Peripheral Selection and Configuration	92
3.9.2 Intel Rapid BIOS Boot	93
3.9.3 Operating System	93
3.10 BIOS Security Features	93
4 BIOS Setup Program	95
4.1 Introduction	95
4.2 Maintenance Menu	96
4.2.1 Extended Configuration Submenu	97
4.3 Main Menu	98
4.4 Advanced Menu	99
4.4.1 PCI Configuration Submenu	100
4.4.2 Boot Configuration Submenu	101
4.4.3 Peripheral Configuration Submenu	102
4.4.4 IDE Configuration Submenu	104
4.4.5 Diskette Configuration Submenu	107
4.4.6 Event Log Configuration Submenu	108
4.4.7 Video Configuration Submenu	109
4.5 Security Menu	110
4.6 Power Menu	111
4.6.1 APM Submenu	112
4.6.2 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