Intel D925XCV, D925XBC specifications Block Diagram

Page 18

Intel Desktop Board D925XCV/D925XBC Technical Product Specification

1.3.4Block Diagram

Figure 3 is a block diagram of the major functional areas of the boards.

 

PCI Express x1 Interface

 

 

Gigabit Ethernet

LAN

 

 

 

Controller

Connector

 

 

 

 

 

PCI Express x1 Slot 1

 

 

 

 

 

Back Panel/Front Panel

 

 

 

 

 

USB

PCI Express x1 Slot 2

D925XCV

 

 

 

 

USB Ports

 

 

 

 

 

 

only

 

 

 

 

 

 

 

 

 

 

 

LPC Bus

 

Serial Ports

Parallel ATA

Parallel ATA

 

 

 

Parallel Port

 

 

I/O

 

 

 

 

PS/2 Mouse

IDE Connector

IDE Interface

 

 

Controller

 

 

 

 

 

 

 

 

PS/2 Keyboard

LGA775

System Bus

 

 

 

 

 

Diskette Drive

Processor Socket

(800/533 MHz)

 

 

 

 

 

Connector

 

 

 

 

 

LPC Bus

 

PCI Express

 

 

Interconnect

 

 

 

 

x16 Interface

Intel 82925X

Intel 82801FR

 

8 Mbit

 

 

 

Memory Controller

I/O Controller Hub

 

Firmware Hub

PCI Express

Hub (MCH)

(ICH6-R)

 

(FWH)

x16

 

 

DMI

 

 

 

 

Connector

 

 

 

 

Bus

Intel 925X Chipset

 

 

 

 

 

 

 

 

 

 

 

Dual-Channel

 

 

 

 

LPC

TPM Component

Channel A

Memory Bus

 

 

 

 

 

 

 

 

 

 

(Optional)

SMBus

 

 

 

 

DIMMs (2)

 

Link

 

 

 

Channel B

 

 

 

Serial ATA

Serial ATA IDE

 

 

 

Audio

 

 

 

IDE Interface

Connectors (4)

DIMMs (2)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IEEE-1394a Connectors

 

 

Definition

Front Panel Retasking Jack A/E

PCI Bus

 

Front Panel Retasking Jack F

(Optional)

 

 

 

High

 

 

 

 

 

 

 

 

PCI Bus

 

 

 

 

Mic In/Retasking Jack B

PCI Slot 1

 

 

 

 

 

Line In/Retasking Jack C

 

 

 

 

Audio

 

 

 

 

 

 

 

Line Out/Retasking Jack D

PCI Slot 2

SMBus

 

 

Codec

 

 

 

 

PCI Slot 3

 

 

 

 

 

 

CD-ROM

 

 

 

 

 

 

 

D925XCV

Hardware Monitoring

 

 

 

S/PDIF

PCI Slot 4

only

 

 

 

 

 

 

 

 

 

and Fan Control ASIC

 

 

 

 

Center and LFE/Retasking Jack G

= connector or socket

 

Surround Left-Right/Retasking Jack H

 

 

 

 

OM16999

 

 

Figure 3. Block Diagram

18

Image 18
Contents D925XCV/D925XBC Revision History Revision Revision History DatePreface Other Common Notation Contents Technical Reference Overview of Bios Features ContentsFigures Chassis Intrusion Connector Page PCI Bus Terminology Change Board DifferencesSummary of Board Differences Feature Summary Feature SummaryOverview Manufacturing Options Manufacturing OptionsBoard Layouts Desktop Board D925XCV ComponentsD925XCV Components Shown in Figure Item/callout from Figure DescriptionDesktop Board D925XBC Components D925XBC Components Shown in Figure Block Diagram Block DiagramProcessor For information about Refer to Power supply connectors 1.1,Online Support To find information about… Visit this World Wide Web siteSupported Memory Configurations System MemoryMemory Configurations Memory Channel and Dimm ConfigurationDual Channel Interleaved Mode Configurations Dual Channel Interleaved Mode Configuration with Two DIMMsDual Channel Interleaved Mode Configuration with Four DIMMs Single Channel Asymmetric Mode Configurations Single Channel Asymmetric Mode Configuration with One DimmIDE Support Intel 925X Chipset1 USB Parallel ATE IDE InterfaceSerial ATA Interfaces Serial ATA RAID RAID Boot Configuration OverviewScsi Hard Drive Activity LED Connector Optional Product Description For information about Refer toPCI Express Connectors Auxiliary Power AUX PWR Output ConnectorReal-Time Clock, Cmos SRAM, and Battery 10 I/O Controller Serial PortParallel Port Diskette Drive Controller Keyboard and Mouse InterfaceAudio Connectors Audio SubsystemAudio Subsystem Software Back Panel Audio Connectors 11.3 8-Channel 7.1 Audio SubsystemIs a block diagram of the 8-channel 7.1 audio subsystem Channel 5.1 Audio Subsystem Block Diagram 11.4 6-Channel 5.1 Audio Subsystem12.2 RJ-45 LAN Connector with Integrated LEDs LAN SubsystemColor LED State Condition Alert Standard Format ASF Support LAN Subsystem SoftwareHardware Management Subsystem Hardware Monitoring and Fan Control AsicThermal Monitoring Thermal Monitoring for D925XCV BoardThermal Monitoring for D925XBC Board Chassis Intrusion and Detection Power ManagementFan Monitoring AcpiSystem States and Power States Effects of Pressing the Power SwitchPower States and Targeted System Power Hardware Support Wake-up Devices and EventsWake-up Devices and Events Power Connector Fan ConnectorsLAN Wake Capabilities Resume on Ring 14.2.8 PME# Signal Wake-up SupportInstantly Available PC Technology Wake from USBWAKE# Signal Wake-up Support 14.2.10 +5 V Standby Power Indicator LEDTrusted Platform Module Optional System RequirementsSecurity Precautions Password ProceduresClear Text Backup Optional Emergency Recovery File Back Up ProceduresHard Drive Image Backup Procedures Trusted Platform Module OwnershipEnabling the Trusted Platform Module Assuming Trusted Platform Module OwnershipRecovery Procedures Recovering from Hard Disk FailureRecovering from Desktop Board or TPM Failure Clearing Trusted Platform Module Ownership Software Support Page Introduction Memory ResourcesAddressable Memory Detailed System Memory Address Map System Memory Map DMA ChannelsMemory Map DMA ChannelsFixed I/O Map O MapAddress hex Size Description PCI Configuration Space Map PCI Configuration Space MapBus Device Function Number hex Description Interrupts InterruptsPCI Conventional Interrupt Routing Map ICH6-R Pirq Signal Name PCI Interrupt Source PCI Interrupt Routing MapConnectors Back Panel ConnectorsBack Panel Connectors For 8-Channel 7.1 Audio Subsystem Back Panel Connectors for 8-Channel 7.1 Audio SubsystemBack Panel Connectors Shown in Figure Item/callout from DescriptionBack Panel Connectors For 6-Channel 5.1 Audio Subsystem Back Panel Connectors for 6-Channel 5.1 Audio SubsystemBack Panel Connectors Shown in Figure Component-side Connectors D925XCV Component-side ConnectorsD925XCV Component-side Connectors Shown in Figure D925XBC Component-side Connectors D925XBC Component-side Connectors Shown in Figure Front Chassis Fan and Rear Chassis Fan Connectors Atapi CD-ROM ConnectorFront Panel Audio Connector Processor Fan Connector and Auxiliary Rear Fan ConnectorSerial ATA Connectors Chassis Intrusion ConnectorScsi Hard Drive Activity LED Connector Optional Auxiliary Power Output ConnectorPower Supply Connectors ATX12V Power Connector Add-in Card ConnectorsMain Power Connector Alternate Power ConnectorAuxiliary Front Panel Power/Sleep LED Connector Auxiliary Front Panel Power/Sleep LED ConnectorFront Panel Connector Front Panel ConnectorStates for a One-Color Power LED States for a Two-Color Power LEDLED State Description Front Panel USB Connectors Connection Diagram for Front Panel USB ConnectorsFront Panel Ieee 1394a Connectors Optional Connection Diagram for Ieee 1394a ConnectorsFunction/Mode Jumper Setting Configuration Jumper BlockMechanical Considerations 10.1 D925XCV Form FactorDesktop Board D925XBC Dimensions 10.2 D925XBC Form Factor10.3 I/O Shield 039 11.811 465 14.4 12.00 567 472 Electrical Considerations DC Loading CharacteristicsDC Current at Mode DC Power +3.3 +12 +5 VSB DC LoadingFan Connector Current Capability Fan Connector Current CapabilityPower Supply Considerations Fan Connector Maximum Available CurrentThermal Considerations Processor Heatsink for Omni-directional AirflowShows the locations of the localized high temperature zones Component Maximum Case Temperature ReliabilityThermal Considerations for Components Environmental Desktop Board D925XCV/D925XBC Environmental SpecificationsParameter Specification Temperature ShockRegulatory Compliance Safety RegulationsSafety Regulations EMC RegulationsEuropean Union Declaration of Conformity Statement FCC Compliance Statement USACanadian Compliance Statement Product Ecology Statements Disposal ConsiderationsRecycling Considerations Product Certification Markings Board Level Product Certification MarkingsDescription Marking Overview of Bios Features PCI Autoconfiguration Bios Flash Memory OrganizationResource Configuration PCI IDE SupportSystem Management Bios Smbios Overview of Bios FeaturesLegacy USB Support Custom Splash Screen Bios UpdatesLanguage Support For information about Refer to Intel World Wide Web siteNetwork Boot Boot OptionsCD-ROM Boot Booting Without Attached DevicesFast Booting Systems with Intel Rapid Bios Boot Peripheral Selection and ConfigurationIntel Rapid Bios Boot Bios Security Features Supervisor and User Password Functions102 Bios Error Messages Bios Error MessagesError Message Explanation Removed then memory may be bad Port 80h Post Codes Boot Block Recovery Code CheckpointsError Messages and Beep Codes Uncompressed Init Code CheckpointsRuntime Code Uncompressed in F000 Shadow RAM To prepare the descriptor tables Password checked. About to do programming before setup Upper Nibble High Byte Functions Bus Initialization CheckpointsBus Initialization Checkpoints Checkpoint DescriptionBios Beep Codes SpeakerLower Nibble High Byte Functions Beep Codes Beep Description112

D925XBC, D925XCV specifications

The Intel D925XBC and D925XCV are motherboards designed for Intel's LGA 775 socket, targeted primarily at the desktop market during the mid-2000s. These motherboards support Intel's innovative 800 MHz Front Side Bus and provide a robust platform for various computing applications, including gaming and multitasking.

One of the standout features of the D925XBC and D925XCV is their compatibility with Intel's Pentium 4 and Pentium D dual-core processors. These processors deliver impressive performance, especially for users engaging in demanding tasks such as video editing and 3D rendering. The support for dual-channel DDR2 memory allows for increased bandwidth and improved overall system performance, accommodating up to 8 GB of memory in total.

The motherboards are equipped with the Intel 925X chipset, which integrates advanced technologies. This chipset supports Intel's Enhanced Memory 64 Technology (EM64T), allowing for more efficient processing power and better resource management. The presence of the I/O Controller Hub (ICH6) also enhances connectivity options, including SATA 3.0 Gbps interfaces for faster data transfer rates and improved storage capabilities.

Regarding expansion and connectivity, both motherboards feature multiple PCI Express slots along with PCI slots, allowing users to customize their systems according to their needs. This expandability is essential for gamers and professionals looking to add advanced graphics cards and other peripherals. Additionally, these boards come with integrated audio, ensuring satisfactory sound quality without the need for additional sound cards.

The D925XBC and D925XCV motherboards also include integrated Ethernet controllers, supporting fast network connectivity essential for gaming and high-speed internet access. With multiple USB ports available, users can connect a wide variety of devices easily, enhancing the flexibility of their setups.

In terms of form factor, both boards follow the ATX layout, providing compatibility with a broad range of computer cases. This ensures ease of installation and upgrades while promoting good airflow and optimal thermal management for the components installed.

Overall, the Intel D925XBC and D925XCV motherboards integrate essential features and technologies that provide a solid foundation for desktop computing during their time. With strong processing capabilities, expandability, and good connectivity options, these boards were well-received by users looking for reliable performance and versatility in their systems.