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Intel D925XCV WAKE# Signal Wake-up Support, 1.14.2.10 +5 V Standby Power Indicator LED, CR3J1

Models: D925XBC D925XCV

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Intel Desktop Board D925XCV/D925XBC Technical Product Specification

1.14.2.9WAKE# Signal Wake-up Support

When the WAKE# signal on the PCI Express bus is asserted, the computer wakes from an ACPI S1, S3, S4, or S5 state.

1.14.2.10+5 V Standby Power Indicator LED

The +5 V standby power indicator LED shows that power is still present even when the computer appears to be off. Figure 17 shows the location of the standby power indicator LED on the D925XCV board.

CAUTION

If AC power has been switched off and the standby power indicator is still lit, disconnect the power cord before installing or removing any devices connected to the board. Failure to do so could damage the board and any attached devices.

CR3J1

OM16678

Figure 17. Location of the Standby Power Indicator LED on the D925XCV Board

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Intel D925XCV, D925XBC specifications WAKE# Signal Wake-up Support, 1.14.2.10 +5 V Standby Power Indicator LED, CR3J1

Contents

Intel Desktop Board D925XCV/D925XBC Technical Product SpecificationJune Order Number C68597-001 Revision History Revision HistoryRevision DateWhat This Document Contains PrefaceIntended Audience Typographical ConventionsOther Common Notation Intel Desktop Board D925XCV/D925XBC Technical Product SpecificationContents 1 Product Description2 Technical Reference Booting Without Attached Devices 3 Overview of BIOS Features4 Error Messages and Beep Codes Changing the Default Boot Device During POSTFigures TablesChassis Intrusion Connector D925XCV Component-side Connectors Shown in FigureD925XBC Component-side Connectors Shown in Figure States for a One-Color Power LEDIntel Desktop Board D925XCV/D925XBC Technical Product Specification 1.1 PCI Bus Terminology Change 1 Product DescriptionWhat This Chapter Contains 1.2 Board DifferencesTable 2. Feature Summary 1.3.1 Feature Summary1.3 Overview Intel Desktop Board D925XCV/D925XBC Technical Product SpecificationPower Input 1.3.2 Manufacturing OptionsFeature Summary continued ConnectorTable 4 lists the D925XCV components identified in Figure 1.3.3 Board LayoutsFigure 1. Desktop Board D925XCV Components Item/callout from Figure Table 4. D925XCV Components Shown in FigureProduct Description DescriptionTable 5 lists the D925XCV components identified in Figure Figure 2. Desktop Board D925XBC ComponentsItem/callout from Figure Table 5. D925XBC Components Shown in FigureProduct Description DescriptionIntel Desktop Board D925XCV/D925XBC Technical Product Specification 1.3.4 Block DiagramFigure 3. Block Diagram Intel 925X ChipsetPower supply connectors 1.4 Online Support1.5 Processor INTEGRATOR’S NOTES1.6 System Memory INTEGRATOR’S NOTE1.6.1 Memory Configurations 1.6.1.1 Dual Channel Interleaved Mode Configurations Figure 5. Dual Channel Interleaved Mode Configuration with Two DIMMsFigure 7. Dual Channel Interleaved Mode Configuration with Four DIMMs OM171241.6.1.2 Single Channel Asymmetric Mode Configurations Figure 8. Single Channel Asymmetric Mode Configuration with One DIMM1.7.2 IDE Support 1.7 Intel 925X Chipset1.7.1 USB 1.7.2.1 Parallel ATE IDE Interface1.7.2.2 Serial ATA Interfaces 1.7.2.5 SCSI Hard Drive Activity LED Connector Optional 1.7.2.4 RAID Boot Configuration Overview1.7.2.3 Serial ATA RAID 1.9 Auxiliary Power AUX PWR Output Connector 1.8 PCI Express Connectors1.7.3 Real-Time Clock, CMOS SRAM, and Battery 1.10.2 Parallel Port 1.10 I/O Controller1.10.1 Serial Port INTEGRATOR’S NOTESIntel Desktop Board D925XCV/D925XBC Technical Product Specification 1.10.3 Diskette Drive Controller1.10.4 Keyboard and Mouse Interface For information about1.11.1 Audio Subsystem Software 1.11.2 Audio Connectors1.11 Audio Subsystem INTEGRATOR’S NOTE1.11.3 8-Channel 7.1 Audio Subsystem Product Description Figure 11 is a block diagram of the 8-channel 7.1 audio subsystemFigure 11. 8-channel 7.1 Audio Subsystem Block Diagram For information about1.11.4 6-Channel 5.1 Audio Subsystem Figure 13. 6-Channel 5.1 Audio Subsystem Block Diagram1.12.1 Marvell Yukon 88E8050 PCI Express 1.0a Integrated MAC/PHY 1.12.2 RJ-45 LAN Connector with Integrated LEDs1.12 LAN Subsystem Gigabit Ethernet Controller1.12.3 Alert Standard Format ASF Support 1.12.4 LAN Subsystem Software1.13 Hardware Management Subsystem 1.13.1 Hardware Monitoring and Fan Control ASICFigure 15. Thermal Monitoring for D925XCV Board 1.13.2 Thermal MonitoringIntel Desktop Board D925XCV/D925XBC Technical Product Specification DescriptionDescription Figure 16. Thermal Monitoring for D925XBC BoardProduct Description OM166891.13.4 Chassis Intrusion and Detection 1.14 Power Management1.13.3 Fan Monitoring 1.14.1 ACPI1.14.1.1 System States and Power States Effects of Pressing the Power SwitchProcessor Table 9. Power States and Targeted System PowerIntel Desktop Board D925XCV/D925XBC Technical Product Specification Targeted System1.14.2 Hardware Support 1.14.1.2 Wake-up Devices and Events1.14.2.2 Fan Connectors 1.14.2.1 Power Connector1.14.2.3 LAN Wake Capabilities 1.14.2.5 Resume on Ring 1.14.2.8 PME# Signal Wake-up Support1.14.2.4 Instantly Available PC Technology 1.14.2.6 Wake from USB1.14.2.10 +5 V Standby Power Indicator LED 1.14.2.9 WAKE# Signal Wake-up SupportCR3J1 1.15.1 System Requirements 1.15 Trusted Platform Module Optional1.15.2 Warning of Potential Data Loss 1.15.3 Security Precautions 1.15.3.1 Password Procedures1.15.3.4 Clear Text Backup Optional 1.15.3.2 Emergency Recovery File Back Up Procedures1.15.3.3 Hard Drive Image Backup Procedures 1.15.4 Trusted Platform Module Ownership1.15.5 Enabling the Trusted Platform Module 1.15.6 Assuming Trusted Platform Module Ownership1.15.7.1 Recovering from Hard Disk Failure 1.15.7 Recovery Procedures1.15.7.2 Recovering from Desktop Board or TPM Failure 1.15.8 Clearing Trusted Platform Module Ownership 1.15.9 Software Support Product DescriptionIntel Desktop Board D925XCV/D925XBC Technical Product Specification 2.2 Memory Resources 2 Technical Reference2.1 Introduction 2.2.1 Addressable Memoryarea Figure 18. Detailed System Memory Address Maparea 64 KB Add-in CardTable 11. System Memory Map 2.3 DMA Channels2.2.2 Memory Map Table 12. DMA ChannelsTable 13. I/O Map 2.4 Fixed I/O MapIntel Desktop Board D925XCV/D925XBC Technical Product Specification Address hexTechnical Reference 2.5 PCI Configuration Space MapTable 14. PCI Configuration Space Map DeviceInterrupts 2.6 InterruptsIntel Desktop Board D925XCV/D925XBC Technical Product Specification System Resource2.7 PCI Conventional Interrupt Routing Map Table 16. PCI Interrupt Routing Map Not present on the D925XBC2.8 Connectors 2.8.1 Back Panel Connectors2.8.1.1 Back Panel Connectors For 8-Channel 7.1 Audio Subsystem Item/callout from Table 17. Back Panel Connectors Shown in FigureTechnical Reference Description2.8.1.2 Back Panel Connectors For 6-Channel 5.1 Audio Subsystem Item/callout from Table 18. Back Panel Connectors Shown in FigureTechnical Reference Description2.8.2 Component-side Connectors Figure 21. D925XCV Component-side ConnectorsItem/callout from Figure Table 19. D925XCV Component-side Connectors Shown in FigureTechnical Reference DescriptionFigure 22. D925XBC Component-side Connectors OM16691Item/callout from Figure Table 20. D925XBC Component-side Connectors Shown in FigureTechnical Reference DescriptionTable 23. Front Chassis Fan and Rear Chassis Fan Connectors Table 21. ATAPI CD-ROM ConnectorTable 22. Front Panel Audio Connector Table 24. Processor Fan Connector and Auxiliary Rear Fan ConnectorTable 27. Serial ATA Connectors Table 25. Chassis Intrusion ConnectorTable 26. SCSI Hard Drive Activity LED Connector Optional Table 28. Auxiliary Power Output ConnectorThe board has three power supply connectors 2.8.2.1 Power Supply ConnectorsINTEGRATOR’S NOTE 2.8.2.2 Add-in Card Connectors 2.8.2.3 Auxiliary Front Panel Power/Sleep LED Connector 2.8.2.4 Front Panel Connector2.8.2.4.2 Reset Switch Connector Purple 2.8.2.4.1 Hard Drive Activity LED Connector Yellow2.8.2.4.3 Power/Sleep LED Connector Green 2.8.2.4.4 Power Switch Connector Red 2.8.2.5 Front Panel USB ConnectorsINTEGRATOR’S NOTES The IEEE 1394a connectors are colored blue 2.8.2.6 Front Panel IEEE 1394a Connectors OptionalFigure 25 is a connection diagram for the IEEE 1394a connectors The +12 V DC power on the IEEE 1394a connectors is fusedTable 36. BIOS Setup Configuration Jumper Settings 2.9 Jumper BlockFigure 26. Location of the Jumper Block 2.10 Mechanical Considerations 2.10.1 D925XCV Form Factor2.10.2 D925XBC Form Factor Figure 28. Desktop Board D925XBC Dimensions2.10.3 I/O Shield 0.00 Intel Desktop Board D925XCV/D925XBC Technical Product Specification0.00 2.11.1 DC Loading 2.11 Electrical Considerations2.11.2 Add-in Board Considerations 2.11.3 Fan Connector Current Capability 2.11.4 Power Supply Considerations2.12 Thermal Considerations http//developer.intel.com/design/motherbd/cooling.htmFigure 32 shows the locations of the localized high temperature zones Figure 32. Localized High Temperature Zones2.13 Reliability Table 39. Thermal Considerations for ComponentsIntel Desktop Board D925XCV/D925XBC Technical Product Specification 2.14 EnvironmentalTable 40. Desktop Board D925XCV/D925XBC Environmental Specifications Specification2.15 Regulatory Compliance 2.15.1 Safety Regulations2.15.2 EMC Regulations 2.15.2.1 FCC Compliance Statement USA 2.15.3 European Union Declaration of Conformity Statement2.15.2.2 Canadian Compliance Statement 2.15.4.1 Disposal Considerations 2.15.4 Product Ecology Statements2.15.4.2 Recycling Considerations Table 43. Product Certification Markings 2.15.5 Product Certification Markings Board LevelIntel Desktop Board D925XCV/D925XBC Technical Product Specification Description3.1 Introduction 3 Overview of BIOS FeaturesWhat This Chapter Contains 3.3.1 PCI Autoconfiguration 3.2 BIOS Flash Memory Organization3.3 Resource Configuration 3.3.2 PCI IDE Support3.4 System Management BIOS SMBIOS 3.5 Legacy USB Support3.6.1 Language Support 3.6 BIOS Updates3.6.2 Custom Splash Screen 3.7.2 Network Boot 3.7 Boot Options3.7.1 CD-ROM Boot 3.7.3 Booting Without Attached Devices3.8.1 Peripheral Selection and Configuration 3.8 Fast Booting Systems with Intel Rapid BIOS Boot3.8.2 Intel Rapid BIOS Boot 3.9 BIOS Security Features Table 47. Supervisor and User Password FunctionsIntel Desktop Board D925XCV/D925XBC Technical Product Specification 4.1 BIOS Error Messages 4 Error Messages and Beep CodesWhat This Chapter Contains Error Message Table 48. BIOS Error Messages continuedIntel Desktop Board D925XCV/D925XBC Technical Product Specification Memory size has decreased since the last boot. If no memory was4.2 Port 80h POST Codes The POST card must be installed in PCI bus connectorCode Intel Desktop Board D925XCV/D925XBC Technical Product SpecificationTable 51. Runtime Code Uncompressed in F000 Shadow RAM Description of POST OperationCode Error Messages and Beep CodesTable 51. Runtime Code Uncompressed in F000 Shadow RAM continued Description of POST OperationCode Intel Desktop Board D925XCV/D925XBC Technical Product SpecificationTable 51. Runtime Code Uncompressed in F000 Shadow RAM continued Description of POST Operation4.3 Bus Initialization Checkpoints 4.4 Speaker 4.5 BIOS Beep CodesTable 54. Lower Nibble High Byte Functions Memory error Error Messages and Beep CodesCPU error 6 System failure 7 System failure 8 Video errorIntel Desktop Board D925XCV/D925XBC Technical Product Specification