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Intel
D925XCV/D925XBC
Technical Product Specification
®
The Intel
Desktop Boards D925XCV/D925XBC may contain design defects or errors known as errata that may cause the product to deviate from published specifications.
Current characterized errata are documented in the Intel Desktop Boards D925XCV/D925XBC Specification Update.
®
Desktop Boards
November 2004
Order Number: C68597-002
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Related Manuals for Intel BLKD925XBCLK
Summary of Contents for Intel BLKD925XBCLK
- Page 1 Order Number: C68597-002 ® The Intel Desktop Boards D925XCV/D925XBC may contain design defects or errors known as errata that may cause the product to deviate from published specifications. Current characterized errata are documented in the Intel Desktop Boards D925XCV/D925XBC Specification Update.
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Page 2: Revision History
Contact your local Intel sales office or your distributor to obtain the latest specifications before placing your product order. Copies of documents which have an ordering number and are referenced in this document, or other Intel literature, may be obtained from: Intel Corporation P.O. -
Page 3: Intended Audience
Preface This Technical Product Specification (TPS) specifies the board layout, components, connectors, ® power and environmental requirements, and the BIOS for these Intel Desktop Boards: D925XCV and D925XBC. It describes the standard product and available manufacturing options. Intended Audience The TPS is intended to provide detailed, technical information about the Desktop Boards D925XCV and D925XBC and their components to the vendors, system integrators, and other engineers and technicians who need this level of information. - Page 4 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification WARNING Warnings indicate conditions, which if not observed, can cause personal injury. Other Common Notation Used after a signal name to identify an active-low signal (such as USBP0#) (NxnX) When used in the description of a component, N indicates component type, xn are the relative coordinates of its location on the Desktop Boards D925XCV and D925XBC, and X is the instance of the particular part at that general location.
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Page 5: Table Of Contents
Board Layouts....................14 1.3.4 Block Diagram....................18 Online Support ......................19 Processor ........................19 System Memory ......................20 1.6.1 Memory Configurations ................21 ® Intel 925X Chipset ....................25 1.7.1 USB ......................25 1.7.2 IDE Support ....................25 1.7.3 Real-Time Clock, CMOS SRAM, and Battery..........28 PCI Express Connectors ....................28 Auxiliary Power (AUX PWR) Output Connector............28... - Page 6 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.15 Trusted Platform Module (Optional)................47 1.15.1 System Requirements..................47 1.15.2 Warning of Potential Data Loss..............47 1.15.3 Security Precautions ..................48 1.15.4 Trusted Platform Module Ownership ............49 1.15.5 Enabling the Trusted Platform Module ............50 1.15.6 Assuming Trusted Platform Module Ownership ...........50 1.15.7...
- Page 7 Network Boot ....................99 3.7.3 Booting Without Attached Devices ...............99 3.7.4 Changing the Default Boot Device During POST .........99 ® Fast Booting Systems with Intel Rapid BIOS Boot..........100 3.8.1 Peripheral Selection and Configuration ............100 3.8.2 Intel Rapid BIOS Boot ................100 BIOS Security Features....................101 4 Error Messages and Beep Codes BIOS Error Messages ....................103...
- Page 8 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Figures Desktop Board D925XCV Components..............14 Desktop Board D925XBC Components..............16 Block Diagram ......................18 Memory Channel and DIMM Configuration..............21 Dual Channel (Interleaved) Mode Configuration with Two DIMMs......22 Dual Channel (Interleaved) Mode Configuration with Three DIMMs ......22 Dual Channel (Interleaved) Mode Configuration with Four DIMMs ......23...
- Page 9 Contents I/O Map ........................58 PCI Configuration Space Map ..................59 Interrupts ........................60 PCI Interrupt Routing Map..................62 Back Panel Connectors Shown in Figure 19...............65 Back Panel Connectors Shown in Figure 20...............67 D925XCV Component-side Connectors Shown in Figure 21........69 D925XBC Component-side Connectors Shown in Figure 22........71 ATAPI CD-ROM Connector (Optional) ...............72 Front Panel Audio Connector ..................72 Front Chassis Fan and Rear Chassis Fan Connectors..........72...
- Page 10 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification...
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Page 11: Product Description
Desktop Boards used an add-in card connector referred to as PCI. This generation of Intel Desktop Boards adds a new technology for add-in cards: PCI Express*. The 32-bit parallel bus previously referred to as PCI is now called PCI Conventional. -
Page 12: Overview
• One Parallel ATA IDE interface with UDMA 33, ATA-66/100 support • One diskette drive interface • PS/2* keyboard and mouse ports • Intel/AMI BIOS (resident in the 8 Mbit FWH) BIOS • Support for Advanced Configuration and Power Interface (ACPI), Plug and Play, and SMBIOS •... -
Page 13: Manufacturing Options
1.3.2 Manufacturing Options Table 3 describes the manufacturing options on the Desktop Boards D925XCV and D925XBC. Not every manufacturing option is available in all marketing channels. Please contact your Intel representative to determine which manufacturing options are available to you. -
Page 14: Board Layouts
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.3.3 Board Layouts Figure 1 shows the location of the major components on the Desktop Board D925XCV. F G H OM16676 Figure 1. Desktop Board D925XCV Components Table 4 lists the D925XCV components identified in Figure 1. -
Page 15: D925Xcv Components Shown In Figure 1
SCSI hard drive indicator LED (optional) Auxiliary power output connector (optional) Front panel USB connector TPM component (optional) Front panel USB connector Intel 82801FR I/O Controller Hub (ICH6-R) Front panel IEEE-1394a connectors (optional) IEEE-1394a controller (optional) Speaker PCI Conventional bus add-in card connectors... -
Page 16: Desktop Board D925Xbc Components
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Figure 2 shows the location of the major components on the Desktop Board D925XBC. C D E OM16686 Figure 2. Desktop Board D925XBC Components Table 5 lists the D925XCV components identified in Figure 2. -
Page 17: D925Xbc Components Shown In Figure 2
Serial ATA connectors Auxiliary front panel power LED connector Front panel connector Front panel USB connector Front panel USB connector Intel 82801FR I/O Controller Hub (ICH6-R) Front panel IEEE-1394a connectors (optional) IEEE-1394a controller (optional) Speaker ATAPI CD-ROM connector (optional) PCI Express x1 bus add-in card connector... -
Page 18: Block Diagram
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.3.4 Block Diagram Figure 3 is a block diagram of the major functional areas of the boards. Gigabit Ethernet PCI Express x1 Interface Controller Connector PCI Express x1 Slot 1 Back Panel/Front Panel... -
Page 19: Online Support
1.5 Processor The boards are designed to support Intel Pentium 4 processors in an LGA775 processor socket with an 800 or 533 MHz system bus. See the Intel web site listed below for the most up-to-date list of supported processors. -
Page 20: System Memory
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.6 System Memory The boards have four DIMM sockets and support the following memory features: • 1.8 V (only) DDR2 SDRAM DIMMs • Unbuffered, single-sided or double-sided DIMMs with the following restriction: Double-sided DIMMS with x16 organization are not supported. -
Page 21: Memory Configurations
Product Description 1.6.1 Memory Configurations The Intel 82925X MCH supports two types of memory organization: • Dual channel (Interleaved) mode. This mode offers the highest throughput for real world applications. Dual channel mode is enabled when the installed memory capacities of both DIMM channels are equal. -
Page 22: Dual Channel (Interleaved) Mode Configuration With Two Dimms
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.6.1.1 Dual Channel (Interleaved) Mode Configurations Figure 5 shows a dual channel configuration using two DIMMs. In this example, the DIMM0 (blue) sockets of both channels are populated with identical DIMMs. Channel A, DIMM 0... -
Page 23: Dual Channel (Interleaved) Mode Configuration With Four Dimms
Product Description Figure 7 shows a dual channel configuration using four DIMMs. In this example, the combined capacity of the two DIMMs in Channel A equal the combined capacity of the two DIMMs in Channel B. Also, the DIMMs are matched between DIMM0 and DIMM1 of both channels. Channel A, DIMM 0 256 MB 512 MB... -
Page 24: Single Channel (Asymmetric) Mode Configuration With One Dimm
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.6.1.2 Single Channel (Asymmetric) Mode Configurations ✏ NOTE Dual channel (Interleaved) mode configurations provide the highest memory throughput. Figure 8 shows a single channel configuration using one DIMM. In this example, only the DIMM0 (blue) socket of Channel A is populated. -
Page 25: Intel ® 925X Chipset
1.7 Intel 925X Chipset The Intel 925X chipset consists of the following devices: • Intel 82925X Memory Controller Hub (MCH) with Direct Media Interface (DMI) interconnect • Intel 82801FR I/O Controller Hub (ICH6-R) with DMI interconnect • Firmware Hub (FWH) The MCH is a centralized controller for the system bus, the memory bus, the PCI Express bus, and the DMI interconnect. - Page 26 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification • 8237-style DMA: DMA offloads the processor, supporting transfer rates of up to 16 MB/sec. • Ultra DMA: DMA protocol on IDE bus supporting host and target throttling and transfer rates of up to 33 MB/sec.
- Page 27 BIOS, and installing drivers. The following steps are required to successfully establish a RAID configuration. 1. Enable RAID Support in BIOS. 2. Create a RAID array using the Intel Application Accelerator (IAA) utility. 3. Install the IAA RAID driver. 4. Format the RAID array.
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Page 28: Real-Time Clock, Cmos Sram, And Battery
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.7.3 Real-Time Clock, CMOS SRAM, and Battery A coin-cell battery (CR2032) powers the real-time clock and CMOS memory. When the computer is not plugged into a wall socket, the battery has an estimated life of three years. When the computer is plugged in, the standby current from the power supply extends the life of the battery. -
Page 29: I/O Controller
Product Description INTEGRATOR’S NOTES When using this connector, observe the following precautions: • Do not use a Y-adapter, power splitter, or SATA power adapter to attach storage devices (such as hard disk drives or CD/DVD drives) to this connector. This connector will not provide adequate power for storage devices. -
Page 30: Diskette Drive Controller
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification For information about Refer to The location of the parallel port connector Figure 20, page 66 1.10.3 Diskette Drive Controller The I/O controller supports one diskette drive. Use the BIOS Setup program to configure the diskette drive interface. -
Page 31: Audio Subsystem
For the front panel jack sensing and automatic retasking feature to function, a front panel daughter card that is designed for Intel High Definition Audio must be used. Otherwise, an AC ’97 style audio front panel connector will be assumed and the Line Out and Mic In functions will be permanent. -
Page 32: 8-Channel (7.1) Audio Subsystem
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.11.3 8-Channel (7.1) Audio Subsystem The 8-channel (7.1) audio subsystem includes the following: • Intel 82801FR I/O Controller Hub (ICH6-R) • Realtek ALC880 audio codec • Microphone input that supports a single dynamic, condenser, or electret microphone The front and back panel audio connectors are configurable through the audio device drivers. -
Page 33: Channel (7.1) Audio Subsystem Block Diagram
Figure 11 is a block diagram of the 8-channel (7.1) audio subsystem. Mic In/Retasking Jack B Line In/Retasking Jack C Line Out/Retasking Jack D 82801FR Front Panel Retasking Jack A/E [Port 1] Intel I/O Controller Realtek High Definition Front Panel Retasking Jack F [Port 2] ALC880... -
Page 34: 6-Channel (5.1) Audio Subsystem
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.11.4 6-Channel (5.1) Audio Subsystem The 6-channel (5.1) audio subsystem includes the following: • Intel 82801FB I/O Controller Hub (ICH6) • Realtek ALC860 audio codec • Microphone input that supports a single dynamic, condenser, or electret microphone The front and back panel audio connectors are configurable through the audio device drivers. -
Page 35: Lan Subsystem
Product Description 1.12 LAN Subsystem The LAN subsystem includes the Marvell Yukon 88E50 Gigabit (10/100/1000 Mbits/sec) Ethernet Controller and an RJ-45 LAN connector with integrated status LEDs. 1.12.1 Marvell Yukon 88E8050 PCI Express 1.0a Integrated MAC/PHY Gigabit Ethernet Controller The Marvell Yukon 88E8050 provides the following functions: •... -
Page 36: Alert Standard Format (Asf) Support
Boot options to boot from different types of boot devices • Reset, shutdown, power cycle, and power up options 1.12.4 LAN Subsystem Software LAN software and drivers are available from Intel’s World Wide Web site. For information about Refer to Obtaining LAN software and drivers... -
Page 37: Hardware Management Subsystem
Product Description 1.13 Hardware Management Subsystem The hardware management features enable the Desktop Boards to be compatible with the Wired for Management (WfM) specification. The Desktop Board has several hardware management features, including the following: • Fan monitoring and control (through the hardware monitoring and fan control ASIC) •... -
Page 38: Thermal Monitoring
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.13.2 Thermal Monitoring Figure 15 shows the location of the sensors and fan connectors on the D925XCV board. OM16679 Item Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC... -
Page 39: Thermal Monitoring For D925Xbc Board
Product Description Figure 16 shows the location of the sensors and fan connectors on the D925XBC board. OM16689 Item Description Remote ambient temperature sensor Thermal diode, located on processor die Ambient temperature sensor, internal to hardware monitoring and fan control ASIC Processor fan Rear chassis fan Front chassis fan... -
Page 40: Fan Monitoring
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.13.3 Fan Monitoring Fan monitoring can be implemented using Intel Desktop Utilities, LANDesk* software, or third- party software. The level of monitoring and control is dependent on the hardware monitoring ASIC used with the Desktop Board. -
Page 41: Effects Of Pressing The Power Switch
Product Description Table 8. Effects of Pressing the Power Switch …and the power switch is If the system is in this state… pressed for …the system enters this state Less than four seconds Power-on (ACPI G2/G5 – Soft off) (ACPI G0 – working state) Less than four seconds Soft-off/Standby (ACPI G0 –... -
Page 42: Power States And Targeted System Power
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 9 lists the power states supported by the Desktop Boards D925XCV and D925XBC along with the associated system power targets. See the ACPI specification for a complete description of the various system and power states. -
Page 43: Hardware Support
Product Description 1.14.1.2 Wake-up Devices and Events Table 10 lists the devices or specific events that can wake the computer from specific states. Table 10. Wake-up Devices and Events These devices/events can wake up the computer… …from this state (Note) S1, S3, S4, S5 Modem (back panel Serial Port A) S1, S3... - Page 44 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Resume on Ring enables telephony devices to access the computer when it is in a power-managed state. The method used depends on the type of telephony device (external or internal). ✏ 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.
- Page 45 Product Description Depending on the LAN implementation, the Desktop Boards D925XCV and D925XBC support LAN wake capabilities with ACPI in the following ways: • The PCI Express WAKE# signal • The PCI Conventional bus PME# signal for PCI 2.2 compliant LAN designs •...
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Page 46: Location Of The Standby Power Indicator Led On The D925Xcv Board
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.14.2.9 WAKE# 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. -
Page 47: Trusted Platform Module (Optional)
TPM is specifically designed to shield unencrypted keys and platform authentication information from software-based attacks. 1.15.1 System Requirements • Intel Desktop Board D925XCV or D925XBC • Microsoft Windows* 2000 Professional (SP4) or Microsoft Windows XP Professional (SP1) • NTFS file system required •... -
Page 48: Security Precautions
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.15.3 Security Precautions Security, like any other aspect of computer maintenance requires planning. What is unique about security has to do with understanding who "friends" and adversaries are. The TPM provides mechanisms to enable the owner/user to protect their information from adversaries. To provide this protection the TPM effectively puts "locks"... -
Page 49: Trusted Platform Module Ownership
Product Description etc.), and have them available for future use. These documents should be updated after any password changes. 1.15.3.2 Emergency Recovery File Back Up Procedures The Emergency Recovery Token (SPEmRecToken.xml) must be saved or moved to a removable media (floppy, USB drive, CDR, flash media, etc). Once this is done, the removable media should be stored in a secure location. -
Page 50: Enabling The Trusted Platform Module
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 1.15.5 Enabling the Trusted Platform Module The Trusted Platform Module is disabled by default when shipped to insure that the owner/end customer of the system initializes the TPM and configures all security passwords. The owner/end customer should use the following steps to enable the TPM. -
Page 51: Recovery Procedures
Product Description 15. Follow the instructions and create and document the locations for both the archive and restoration key files. The key archive should be located on a removable media and stored in a secure location when not in use. 16. -
Page 52: Clearing Trusted Platform Module Ownership
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 4. Follow the instructions during the Security Platform Initialization, and append the Emergency Recovery Archive to the existing archive. 5. Provide all the necessary passwords, files, and file locations as requested. It may take up to 20 minutes for Security Platform Initialization Wizard to restore the security platform settings. -
Page 53: Software Support
Product Description 1.15.9 Software Support • For assistance with the Infineon Security Platform Software, visit the web at: http://www.infineon.com • For assistance with the Wave System EMBASSY Trust Suite, visit the web at: http://www.wave.com/support/ets.html • For additional information about TPM and enhancing PC security, visit: https://www.trustedcomputinggroup.org/home... - Page 54 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification...
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Page 55: Technical Reference
2 Technical Reference What This Chapter Contains Introduction ........................55 Memory Resources ....................55 DMA Channels ......................57 Fixed I/O Map......................58 PCI Configuration Space Map ..................59 Interrupts ........................60 PCI Conventional Interrupt Routing Map ..............61 Connectors.........................63 Jumper Block ......................80 2.10 Mechanical Considerations..................81 2.11 Electrical Considerations ....................85 2.12 Thermal Considerations .....................87 2.13 Reliability........................89 2.14 Environmental ......................90... -
Page 56: Detailed System Memory Address Map
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification • Memory-mapped I/O that is dynamically allocated for PCI Conventional and PCI Express add-in cards The amount of installed memory that can be used will vary based on add-in cards and BIOS settings. Figure 18 shows a schematic of the system memory map. All installed system memory can be used when there is no overlap of system addresses. -
Page 57: Memory Map
Technical Reference 2.2.2 Memory Map Table 11 lists the system memory map. Table 11. System Memory Map Address Range (decimal) Address Range (hex) Size Description 1024 K - 4194304 K 100000 - FFFFFFFF 4095 MB Extended memory 960 K - 1024 K F0000 - FFFFF 64 KB Runtime BIOS... -
Page 58: Fixed I/O Map
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.4 Fixed I/O Map Table 13. I/O Map Address (hex) Size Description 0000 - 00FF 256 bytes Used by the Desktop Board D925XCV/D925XBC. Refer to the ICH6-R data sheet for dynamic addressing information. -
Page 59: Pci Configuration Space Map
Number (hex) Number (hex) Number (hex) Description Memory controller of Intel 82925X component PCI Express x16 graphics port Intel High Definition Audio Controller PCI Express port 1 (PCI Express x1 bus connector 1) PCI Express port 2 (Gigabit Ethernet controller bridge) -
Page 60: Interrupts
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.6 Interrupts The interrupts can be routed through either the Programmable Interrupt Controller (PIC) or the Advanced Programmable Interrupt Controller (APIC) portion of the ICH6-R component. The PIC is supported in Windows 98 SE and Windows ME and uses the first 16 interrupts. The APIC is supported in Windows 2000 and Windows XP and supports a total of 24 interrupts. -
Page 61: Pci Conventional Interrupt Routing Map
Technical Reference 2.7 PCI Conventional Interrupt Routing Map This section describes interrupt sharing and how the interrupt signals are connected between the PCI Conventional bus connectors and onboard PCI Conventional devices. The PCI Conventional specification describes how interrupts can be shared between devices attached to the PCI Conventional bus. -
Page 62: Pci Interrupt Routing Map
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 16. PCI Interrupt Routing Map ICH6-R PIRQ Signal Name PCI Interrupt Source PIRQA PIRQB PIRQC PIRQD PIRQE PIRQF PIRQG PIRQH IEEE-1394a controller INTA PCI bus connector 1 INTD INTA INTB INTC PCI bus connector 2... -
Page 63: Connectors
Technical Reference 2.8 Connectors CAUTION Only the following connectors have overcurrent protection: back panel USB, front panel USB, and PS/2. The other internal connectors are not overcurrent protected and should connect only to devices inside the computer’s chassis, such as fans and internal peripherals. Do not use these connectors to power devices external to the computer’s chassis. -
Page 64: Back Panel Connectors For 8-Channel (7.1) Audio Subsystem
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.8.1.1 Back Panel Connectors For 8-Channel (7.1) Audio Subsystem Figure 19 shows the location of the back panel connectors for boards equipped with the 8-channel (7.1) audio subsystem. The back panel connectors are color-coded. The figure legend (Table 17) lists the colors used (when applicable). -
Page 65: Back Panel Connectors Shown In Figure 19
Technical Reference Table 17. Back Panel Connectors Shown in Figure 19 Item/callout from Figure 19 Description PS/2 mouse port [Green] PS/2 keyboard port [Purple] Serial port A [Teal] Parallel port [Burgundy] Digital audio out coaxial [Orange] Digital audio out optical Front left/right channel audio out/Two channel audio line out/Retasking Jack D [Lime green] Surround left/right channel audio out/Retasking Jack H [Black]... -
Page 66: Back Panel Connectors For 6-Channel (5.1) Audio Subsystem
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.8.1.2 Back Panel Connectors For 6-Channel (5.1) Audio Subsystem Figure 20 shows the location of the back panel connectors for boards equipped with the 6-channel (5.1) audio subsystem. The back panel connectors are color-coded. The figure legend (Table 18) lists the colors used (when applicable). -
Page 67: Back Panel Connectors Shown In Figure 20
Technical Reference Table 18. Back Panel Connectors Shown in Figure 20 Item/callout from Figure 20 Description PS/2 mouse port [Green] PS/2 keyboard port [Purple] Serial port A [Teal] Parallel port [Burgundy] Audio line in/Retasking Jack C [Blue] Front left/right channel audio out/Two channel audio line out/Retasking Jack D [Lime green] Mic in/Retasking Jack B [Pink] USB ports (two) -
Page 68: Component-Side Connectors
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.8.2 Component-side Connectors Figure 21 shows the locations of the component-side connectors of the D925XCV board. DD CC OM16681 Figure 21. D925XCV Component-side Connectors Table 19 lists the D925XCV component-side connectors identified in Figure 21. -
Page 69: D925Xcv Component-Side Connectors Shown In Figure 21
Technical Reference Table 19. D925XCV Component-side Connectors Shown in Figure 21 Item/callout from Figure 21 Description PCI Conventional bus add-in card connector 4 Auxiliary rear fan connector PCI Conventional bus add-in card connector 3 ATAPI CD-ROM connector (optional) PCI Express x1 bus add-in card connector 2 PCI Express x1 bus add-in card connector 1 Front panel audio connector PCI Conventional bus add-in card connector 2... -
Page 70: D925Xbc Component-Side Connectors
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Figure 22 shows the locations of the component-side connectors of the D925XBC board. OM16691 Figure 22. D925XBC Component-side Connectors Table 20 lists the D925XBC component-side connectors identified in Figure 22. -
Page 71: D925Xbc Component-Side Connectors Shown In Figure 22
Technical Reference Table 20. D925XBC Component-side Connectors Shown in Figure 22 Item/callout from Figure 22 Description PCI Express x1 bus add-in card connector Front panel audio connector PCI Conventional bus add-in card connector 2 Front panel IEEE-1394a connector (optional) PCI Conventional bus add-in card connector 1 PCI Express x16 bus add-in card connector Rear chassis fan connector Alternate power connector... -
Page 72: Atapi Cd-Rom Connector (Optional)
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 21. ATAPI CD-ROM Connector (Optional) Signal Name Left audio input from CD-ROM CD audio differential ground CD audio differential ground Right audio input from CD-ROM Table 22. Front Panel Audio Connector Signal Name... -
Page 73: Chassis Intrusion Connector
Technical Reference Table 25. Chassis Intrusion Connector Signal Name Intruder Ground Table 26. SCSI Hard Drive Activity LED Connector (Optional) Signal Name SCSI_ACT# No connect Table 27. Serial ATA Connectors Signal Name Ground Ground Ground Table 28. Auxiliary Power Output Connector Signal Name +12 V Ground... - Page 74 Main power – a 2 x 12 connector. This connector is compatible with 2 x 10 connectors previously used on Intel Desktop boards. The board supports the use of ATX12V power supplies with either 2 x 10 or 2 x 12 main power cables. When using a power supply with a 2 x 10 main power cable, attach that cable on the rightmost pins of the main power connector, leaving pins 11, 12, 23, and 24 unconnected.
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Page 75: Main Power Connector
Technical Reference Table 29. Main Power Connector Signal Name Signal Name +3.3 V +3.3 V +3.3 V -12 V Ground Ground +5 V PS-ON# (power supply remote on/off) Ground Ground +5 V Ground Ground Ground PWRGD (Power Good) No connect +5 V (Standby) +5 V +12 V... -
Page 76: Auxiliary Front Panel Power/Sleep Led Connector
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Note the following considerations for the PCI Conventional bus connectors (for both Desktop Boards): • All of the PCI Conventional bus connectors are bus master capable. • SMBus signals are routed to PCI Conventional bus connector 2. This enables PCI Conventional bus add-in boards with SMBus support to access sensor data on the Desktop Board. -
Page 77: Connection Diagram For Front Panel Connector
Technical Reference +5 V DC Reset Power Switch Switch − Dual-colored Single-colored Hard Drive Power LED Power LED − Activity LED − OM17000 Figure 23. Connection Diagram for Front Panel Connector 2.8.2.4.1 Hard Drive Activity LED Connector [Yellow] Pins 1 and 3 [Yellow] can be connected to an LED to provide a visual indicator that data is being read from or written to a hard drive. -
Page 78: Connection Diagram For Front Panel Usb Connectors
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification ✏ NOTE The colors listed in Table 34 and Table 35 are suggested colors only. Actual LED colors are product- or customer-specific. 2.8.2.4.4 Power Switch Connector [Red] Pins 6 and 8 [Red] can be connected to a front panel momentary-contact power switch. The switch must pull the SW_ON# pin to ground for at least 50 ms to signal the power supply to switch on or off. -
Page 79: Connection Diagram For Ieee 1394A Connectors
Technical Reference 2.8.2.6 Front Panel IEEE 1394a Connectors (Optional) Figure 25 is a connection diagram for the IEEE 1394a connectors. TPA+ TPA− Ground Ground TPB+ TPB− +12 V DC +12 V DC Key (no pin) Ground OM16107 Figure 25. Connection Diagram for IEEE 1394a Connectors INTEGRATOR’S NOTES •... -
Page 80: Jumper Block
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.9 Jumper Block CAUTION Do not move the jumper with the power on. Always turn off the power and unplug the power cord from the computer before changing a jumper setting. Otherwise, the board could be damaged. -
Page 81: Mechanical Considerations
Technical Reference 2.10 Mechanical Considerations 2.10.1 D925XCV Form Factor The Desktop Board D925XCV is designed to fit into an ATX-form-factor chassis. Figure 27 illustrates the mechanical form factor for the Desktop Board D925XCV. Dimensions are given in inches [millimeters]. The outer dimensions are 12.00 inches by 9.60 inches [304.80 millimeters by 243.84 millimeters]. -
Page 82: D925Xbc Form Factor
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.10.2 D925XBC Form Factor The Desktop Board D925XBC is designed to fit into either a microATX or an ATX-form-factor chassis. Figure 28 illustrates the mechanical form factor for the Desktop Board D925XBC. Dimensions are given in inches [millimeters]. The outer dimensions are 9.60 inches by 9.60 inches [243.84 millimeters by 243.84 millimeters]. -
Page 83: I/O Shield
ATX specification. ✏ NOTE The I/O shield drawings in this document are for reference only. I/O shields compliant with the ATX chassis specification 2.03 are available from Intel. 162.3 REF [6.390] 1.6 ± 0.12 [0.063 ±... -
Page 84: I/O Shield Dimensions For Boards With The 6-Channel (5.1) Audio Subsystem
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 162.3 REF [6.390] 1.6 ± 0.12 [0.063 ± 0.005] 20. ± 0.254 TYP [0.787 ± 0.10] 159.2 ± 0.12 1.55 REF [0.061] [6.268 ± 0.005] 22.45 [0.884] 8x R 0.5 MIN 7.012 [0.276] Ø... -
Page 85: Electrical Considerations
Technical Reference 2.11 Electrical Considerations 2.11.1 DC Loading Table 37 lists the DC loading characteristics of the board. This data is based on a DC analysis of all active components within the board that impact its power delivery subsystems. The analysis does not include PCI add-in cards. -
Page 86: Fan Connector Current Capability
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.11.3 Fan Connector Current Capability CAUTION The processor fan must be connected to the processor fan connector, not to a chassis fan connector. Connecting the processor fan to a chassis fan connector may result in onboard component damage that will halt fan operation. -
Page 87: Thermal Considerations
Failure to ensure appropriate airflow may result in reduced performance of both the processor and/or voltage regulator or, in some instances, damage to the desktop board. For a list of chassis that have been tested with Intel desktop boards please refer to the following website: http://developer.intel.com/design/motherbd/cooling.htm All responsibility for determining the adequacy of any thermal or system design remains solely with the reader. -
Page 88: Localized High Temperature Zones
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification CAUTION Ensure that the ambient temperature does not exceed the Desktop Board’s maximum operating temperature. Failure to do so could cause components to exceed their maximum case temperature and malfunction. For information about the maximum operating temperature, see the environmental specifications in Section 2.14. -
Page 89: Reliability
Intel 82801FR ICH6-R C (under bias) For information about Refer to Intel Pentium 4 processor datasheets and specification updates Section 1.4, page 19 2.13 Reliability The Mean Time Between Failures (MTBF) prediction is calculated using component and subassembly random failure rates. The calculation is based on the Bellcore Reliability Prediction Procedure, TR-NWT-000332, Issue 4, September 1991. -
Page 90: Environmental
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification 2.14 Environmental Table 40 lists the environmental specifications for the Desktop Boards D925XCV and D925XBC. Table 40. Desktop Boards D925XCV/D925XBC Environmental Specifications Parameter Specification Temperature -40 °C to +70 °C Non-Operating 0 °C to +55 °C... -
Page 91: Regulatory Compliance
Technical Reference 2.15 Regulatory Compliance This section describes the Desktop Boards’ compliance with U.S. and international safety and electromagnetic compatibility (EMC) regulations. 2.15.1 Safety Regulations Table 41 lists the safety regulations the Desktop Boards D925XCV and D925XBC comply with when correctly installed in a compatible host system. Table 41. -
Page 92: European Union Declaration Of Conformity Statement
Connect the equipment to a different electrical branch circuit from that to which the receiver is connected. • Consult the dealer or an experienced radio/TV technician for help. Any changes or modifications to the equipment not expressly approved by Intel Corporation could void the user’s authority to operate the equipment. 2.15.2.2 Canadian Compliance Statement This Class B digital apparatus complies with Canadian ICES-003. -
Page 93: Product Ecology Statements
2.15.4.2 Recycling Considerations Intel encourages its customers to recycle its products and their components (e.g., batteries, circuit boards, plastic enclosures, etc.) whenever possible. In the U.S., a list of recyclers in your area can be found at: http://www.eiae.org/... -
Page 94: Product Certification Markings (Board Level)
Description Marking UL joint US/Canada Recognized Component mark. Includes adjacent UL file number for Intel Desktop Boards: E210882 (component side). FCC Declaration of Conformity logo mark for Class B equipment; includes Intel name and D925XCV or D925XBC model designation (component side). -
Page 95: Introduction
BIOS Security Features....................101 3.1 Introduction The Desktop Boards D925XCV and D925XBC use an Intel/AMI BIOS that is stored in the Firmware Hub (FWH) and can be updated using a disk-based program. The FWH contains the BIOS Setup program, POST, the PCI auto-configuration utility, and Plug and Play support. -
Page 96: Bios Flash Memory Organization
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 44 lists the BIOS Setup program menu features. Table 44. BIOS Setup Program Menu Bar Maintenance Main Advanced Security Power Boot Exit Clears Displays Configures Sets Configures Selects boot Saves or passwords and... -
Page 97: System Management Bios (Smbios)
Overview of BIOS Features to PIO Mode 3 or 4, depending on the capability of the drive. You can override the auto- configuration options by specifying manual configuration in the BIOS Setup program. To use ATA-66/100 features the following items are required: •... -
Page 98: Bios Updates
To install an operating system that supports USB, verify that Legacy USB support in the BIOS Setup program is set to Enabled and follow the operating system’s installation instructions. 3.6 BIOS Updates The BIOS can be updated using either of the following utilities, which are available on the Intel World Wide Web site: •... -
Page 99: Boot Options
Overview of BIOS Features For information about Refer to The Intel World Wide Web site Section 1.4, page 19 3.7 Boot Options In the BIOS Setup program, the user can choose to boot from a diskette drive, hard drives, CD-ROM, or the network. The default setting is for the diskette drive to be the first boot device, the hard drive second, and the ATAPI CD-ROM third. -
Page 100: Fast Booting Systems With Intel ® Rapid Bios Boot
It is possible to optimize the boot process to the point where the system boots so quickly that the Intel logo screen (or a custom logo splash screen) will not be seen. Monitors and hard disk drives with minimum initialization times can also contribute to a boot time that might be so fast that necessary logo screens and POST messages cannot be seen. -
Page 101: Bios Security Features
Overview of BIOS Features 3.9 BIOS Security Features The BIOS includes security features that restrict access to the BIOS Setup program and who can boot the computer. A supervisor password and a user password can be set for the BIOS Setup program and for booting the computer, with the following restrictions: •... - Page 102 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification...
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Page 103: Error Messages And Beep Codes
4 Error Messages and Beep Codes What This Chapter Contains BIOS Error Messages ....................103 Port 80h POST Codes....................105 Bus Initialization Checkpoints ...................109 Speaker ........................110 BIOS Beep Codes ....................110 4.1 BIOS Error Messages Table 48 lists the error messages and provides a brief description of each. Table 48. - Page 104 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 48. BIOS Error Messages (continued) Error Message Explanation Update OK! NVRAM was invalid and has been updated. Updated Failed NVRAM was invalid but was unable to be updated. Keyboard Error Error in the keyboard connection. Make sure keyboard is connected properly.
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Page 105: Port 80H Post Codes
F000:0000 in Shadow RAM and give control to recovery code in F000 Shadow RAM. Initialize interrupt vector tables, initialize system timer, initialize DMA controller and interrupt controller. Initialize extra (Intel Recovery) Module. Initialize floppy drive. Try to boot from floppy. If reading of boot sector is successful, give control to boot sector code. -
Page 106: Runtime Code Uncompressed In F000 Shadow Ram
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM Code Description of POST Operation NMI is Disabled. To check soft reset/power-on. BIOS stack set. Going to disable cache if any. POST code to be uncompressed. - Page 107 Error Messages and Beep Codes Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation To prepare the descriptor tables. To enter in virtual mode for memory test. To enable interrupts for diagnostics mode. To initialize data to check memory wrap around at 0:0. Data initialized.
- Page 108 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation Lock-key checking over. To check for memory size mismatch with CMOS. Memory size check done. To display soft error and check for password or bypass setup.
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Page 109: Bus Initialization Checkpoints
Error Messages and Beep Codes Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued) Code Description of POST Operation Uncompress SMBIOS module and init SMBIOS code and form the runtime SMBIOS image in shadow. Going to copy any code to specific area. Copying of code to specific area done. -
Page 110: Speaker
Intel Desktop Boards D925XCV/D925XBC Technical Product Specification Table 54 describes the lower nibble of the high byte and indicates the bus on which the routines are being executed. Table 54. Lower Nibble High Byte Functions Value Description Generic DIM (Device Initialization Manager) -
Page 111: Beep Codes
Error Messages and Beep Codes If POST completes normally, the BIOS issues one short beep before passing control to the operating system. Table 55. Beep Codes Beep Description CPU error Memory error System failure System failure Video error... - Page 112 Intel Desktop Boards D925XCV/D925XBC Technical Product Specification...