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specifications Intel Desktop Board D925XCV/D925XBC Technical Product Specification
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D925XBC
D925XCV
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Specification
Install
Error codes
Block Diagram
Dimension
Memory Configurations
Reset Switch Connector Purple
Password Procedures
Changing the Default Boot Device During POST
1.14.2.8 PME# Signal Wake-up Support
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Intel Desktop Board D925XCV/D925XBC Technical Product Specification
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Contents
Technical Product Specification
Intel Desktop Board D925XCV/D925XBC
June Order Number C68597-001
Revision History
Revision History
Revision
Date
What This Document Contains
Preface
Intended Audience
Typographical Conventions
Other Common Notation
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Contents
1 Product Description
2 Technical Reference
Booting Without Attached Devices
3 Overview of BIOS Features
4 Error Messages and Beep Codes
Changing the Default Boot Device During POST
Figures
Tables
Chassis Intrusion Connector
D925XCV Component-side Connectors Shown in Figure
D925XBC Component-side Connectors Shown in Figure
States for a One-Color Power LED
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
1.1 PCI Bus Terminology Change
1 Product Description
What This Chapter Contains
1.2 Board Differences
Table 2. Feature Summary
1.3.1 Feature Summary
1.3 Overview
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Power Input
1.3.2 Manufacturing Options
Feature Summary continued
Connector
1.3.3 Board Layouts
Table 4 lists the D925XCV components identified in Figure
Figure 1. Desktop Board D925XCV Components
Item/callout from Figure
Table 4. D925XCV Components Shown in Figure
Product Description
Description
Table 5 lists the D925XCV components identified in Figure
Figure 2. Desktop Board D925XBC Components
Item/callout from Figure
Table 5. D925XBC Components Shown in Figure
Product Description
Description
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
1.3.4 Block Diagram
Figure 3. Block Diagram
Intel 925X Chipset
Power supply connectors
1.4 Online Support
1.5 Processor
INTEGRATOR’S NOTES
1.6 System Memory
INTEGRATOR’S NOTE
1.6.1 Memory Configurations
1.6.1.1 Dual Channel Interleaved Mode Configurations
Figure 5. Dual Channel Interleaved Mode Configuration with Two DIMMs
Figure 7. Dual Channel Interleaved Mode Configuration with Four DIMMs
OM17124
1.6.1.2 Single Channel Asymmetric Mode Configurations
Figure 8. Single Channel Asymmetric Mode Configuration with One DIMM
1.7.2 IDE Support
1.7 Intel 925X Chipset
1.7.1 USB
1.7.2.1 Parallel ATE IDE Interface
1.7.2.2 Serial ATA Interfaces
1.7.2.4 RAID Boot Configuration Overview
1.7.2.5 SCSI Hard Drive Activity LED Connector Optional
1.7.2.3 Serial ATA RAID
1.8 PCI Express Connectors
1.9 Auxiliary Power AUX PWR Output Connector
1.7.3 Real-Time Clock, CMOS SRAM, and Battery
1.10.2 Parallel Port
1.10 I/O Controller
1.10.1 Serial Port
INTEGRATOR’S NOTES
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
1.10.3 Diskette Drive Controller
1.10.4 Keyboard and Mouse Interface
For information about
1.11.1 Audio Subsystem Software
1.11.2 Audio Connectors
1.11 Audio Subsystem
INTEGRATOR’S NOTE
1.11.3 8-Channel 7.1 Audio Subsystem
Product Description
Figure 11 is a block diagram of the 8-channel 7.1 audio subsystem
Figure 11. 8-channel 7.1 Audio Subsystem Block Diagram
For information about
1.11.4 6-Channel 5.1 Audio Subsystem
Figure 13. 6-Channel 5.1 Audio Subsystem Block Diagram
1.12.1 Marvell Yukon 88E8050 PCI Express 1.0a Integrated MAC/PHY
1.12.2 RJ-45 LAN Connector with Integrated LEDs
1.12 LAN Subsystem
Gigabit Ethernet Controller
1.12.3 Alert Standard Format ASF Support
1.12.4 LAN Subsystem Software
1.13 Hardware Management Subsystem
1.13.1 Hardware Monitoring and Fan Control ASIC
Figure 15. Thermal Monitoring for D925XCV Board
1.13.2 Thermal Monitoring
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Description
Description
Figure 16. Thermal Monitoring for D925XBC Board
Product Description
OM16689
1.13.4 Chassis Intrusion and Detection
1.14 Power Management
1.13.3 Fan Monitoring
1.14.1 ACPI
1.14.1.1 System States and Power States
Effects of Pressing the Power Switch
Processor
Table 9. Power States and Targeted System Power
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Targeted System
1.14.2 Hardware Support
1.14.1.2 Wake-up Devices and Events
1.14.2.1 Power Connector
1.14.2.2 Fan Connectors
1.14.2.3 LAN Wake Capabilities
1.14.2.5 Resume on Ring
1.14.2.8 PME# Signal Wake-up Support
1.14.2.4 Instantly Available PC Technology
1.14.2.6 Wake from USB
1.14.2.9 WAKE# Signal Wake-up Support
1.14.2.10 +5 V Standby Power Indicator LED
CR3J1
1.15 Trusted Platform Module Optional
1.15.1 System Requirements
1.15.2 Warning of Potential Data Loss
1.15.3 Security Precautions
1.15.3.1 Password Procedures
1.15.3.4 Clear Text Backup Optional
1.15.3.2 Emergency Recovery File Back Up Procedures
1.15.3.3 Hard Drive Image Backup Procedures
1.15.4 Trusted Platform Module Ownership
1.15.5 Enabling the Trusted Platform Module
1.15.6 Assuming Trusted Platform Module Ownership
1.15.7 Recovery Procedures
1.15.7.1 Recovering from Hard Disk Failure
1.15.7.2 Recovering from Desktop Board or TPM Failure
1.15.8 Clearing Trusted Platform Module Ownership
1.15.9 Software Support
Product Description
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
2.2 Memory Resources
2 Technical Reference
2.1 Introduction
2.2.1 Addressable Memory
area
Figure 18. Detailed System Memory Address Map
area 64 KB
Add-in Card
Table 11. System Memory Map
2.3 DMA Channels
2.2.2 Memory Map
Table 12. DMA Channels
Table 13. I/O Map
2.4 Fixed I/O Map
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Address hex
Technical Reference
2.5 PCI Configuration Space Map
Table 14. PCI Configuration Space Map
Device
Interrupts
2.6 Interrupts
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
System Resource
2.7 PCI Conventional Interrupt Routing Map
Table 16. PCI Interrupt Routing Map
Not present on the D925XBC
2.8 Connectors
2.8.1 Back Panel Connectors
2.8.1.1 Back Panel Connectors For 8-Channel 7.1 Audio Subsystem
Item/callout from
Table 17. Back Panel Connectors Shown in Figure
Technical Reference
Description
2.8.1.2 Back Panel Connectors For 6-Channel 5.1 Audio Subsystem
Item/callout from
Table 18. Back Panel Connectors Shown in Figure
Technical Reference
Description
2.8.2 Component-side Connectors
Figure 21. D925XCV Component-side Connectors
Item/callout from Figure
Table 19. D925XCV Component-side Connectors Shown in Figure
Technical Reference
Description
Figure 22. D925XBC Component-side Connectors
OM16691
Item/callout from Figure
Table 20. D925XBC Component-side Connectors Shown in Figure
Technical Reference
Description
Table 23. Front Chassis Fan and Rear Chassis Fan Connectors
Table 21. ATAPI CD-ROM Connector
Table 22. Front Panel Audio Connector
Table 24. Processor Fan Connector and Auxiliary Rear Fan Connector
Table 27. Serial ATA Connectors
Table 25. Chassis Intrusion Connector
Table 26. SCSI Hard Drive Activity LED Connector Optional
Table 28. Auxiliary Power Output Connector
2.8.2.1 Power Supply Connectors
The board has three power supply connectors
INTEGRATOR’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 Connector
2.8.2.4.1 Hard Drive Activity LED Connector Yellow
2.8.2.4.2 Reset Switch Connector Purple
2.8.2.4.3 Power/Sleep LED Connector Green
2.8.2.5 Front Panel USB Connectors
2.8.2.4.4 Power Switch Connector Red
INTEGRATOR’S NOTES
The IEEE 1394a connectors are colored blue
2.8.2.6 Front Panel IEEE 1394a Connectors Optional
Figure 25 is a connection diagram for the IEEE 1394a connectors
The +12 V DC power on the IEEE 1394a connectors is fused
2.9 Jumper Block
Table 36. BIOS Setup Configuration Jumper Settings
Figure 26. Location of the Jumper Block
2.10 Mechanical Considerations
2.10.1 D925XCV Form Factor
2.10.2 D925XBC Form Factor
Figure 28. Desktop Board D925XBC Dimensions
2.10.3 I/O Shield
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
0.00
0.00
2.11 Electrical Considerations
2.11.1 DC Loading
2.11.2 Add-in Board Considerations
2.11.3 Fan Connector Current Capability
2.11.4 Power Supply Considerations
2.12 Thermal Considerations
http//developer.intel.com/design/motherbd/cooling.htm
Figure 32 shows the locations of the localized high temperature zones
Figure 32. Localized High Temperature Zones
2.13 Reliability
Table 39. Thermal Considerations for Components
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
2.14 Environmental
Table 40. Desktop Board D925XCV/D925XBC Environmental Specifications
Specification
2.15.1 Safety Regulations
2.15 Regulatory Compliance
2.15.2 EMC Regulations
2.15.3 European Union Declaration of Conformity Statement
2.15.2.1 FCC Compliance Statement USA
2.15.2.2 Canadian Compliance Statement
2.15.4 Product Ecology Statements
2.15.4.1 Disposal Considerations
2.15.4.2 Recycling Considerations
Table 43. Product Certification Markings
2.15.5 Product Certification Markings Board Level
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Description
3 Overview of BIOS Features
3.1 Introduction
What This Chapter Contains
3.3.1 PCI Autoconfiguration
3.2 BIOS Flash Memory Organization
3.3 Resource Configuration
3.3.2 PCI IDE Support
3.4 System Management BIOS SMBIOS
3.5 Legacy USB Support
3.6 BIOS Updates
3.6.1 Language Support
3.6.2 Custom Splash Screen
3.7.2 Network Boot
3.7 Boot Options
3.7.1 CD-ROM Boot
3.7.3 Booting Without Attached Devices
3.8 Fast Booting Systems with Intel Rapid BIOS Boot
3.8.1 Peripheral Selection and Configuration
3.8.2 Intel Rapid BIOS Boot
3.9 BIOS Security Features
Table 47. Supervisor and User Password Functions
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
4 Error Messages and Beep Codes
4.1 BIOS Error Messages
What This Chapter Contains
Error Message
Table 48. BIOS Error Messages continued
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Memory size has decreased since the last boot. If no memory was
4.2 Port 80h POST Codes
The POST card must be installed in PCI bus connector
Code
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Table 51. Runtime Code Uncompressed in F000 Shadow RAM
Description of POST Operation
Code
Error Messages and Beep Codes
Table 51. Runtime Code Uncompressed in F000 Shadow RAM continued
Description of POST Operation
Code
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
Table 51. Runtime Code Uncompressed in F000 Shadow RAM continued
Description of POST Operation
4.3 Bus Initialization Checkpoints
4.5 BIOS Beep Codes
4.4 Speaker
Table 54. Lower Nibble High Byte Functions
Memory error
Error Messages and Beep Codes
CPU error
6 System failure 7 System failure 8 Video error
Intel Desktop Board D925XCV/D925XBC Technical Product Specification
