Intel D925XCV, D925XBC specifications Password checked. About to do programming before setup

Page 108

Intel Desktop Board D925XCV/D925XBC Technical Product Specification

Table 51. Runtime Code Uncompressed in F000 Shadow RAM (continued)

Code

Description of POST Operation

 

 

84

Lock-key checking over. To check for memory size mismatch with CMOS.

 

 

85

Memory size check done. To display soft error and check for password or bypass setup.

 

 

86

Password checked. About to do programming before setup.

 

 

87

Programming before setup complete. To uncompress SETUP code and execute CMOS setup.

 

 

88

Returned from CMOS setup program and screen is cleared. About to do programming after setup.

 

 

89

Programming after setup complete. Going to display power-on screen message.

 

 

8B

First screen message displayed. <WAIT...> message displayed. PS/2 Mouse check and

 

extended BIOS data area allocation to be done.

 

 

8C

Setup options programming after CMOS setup about to start.

 

 

8D

Going for hard disk controller reset.

 

 

8F

Hard disk controller reset done. Floppy setup to be done next.

 

 

91

Floppy setup complete. Hard disk setup to be done next.

 

 

95

Init of different buses optional ROMs from C800 to start. (See Section 4.3 for details of different

 

buses.)

 

 

96

Going to do any init before C800 optional ROM control.

 

 

97

Any init before C800 optional ROM control is over. Optional ROM check and control will be

 

done next.

 

 

98

Optional ROM control is done. About to give control to do any required processing after optional

 

ROM returns control and enable external cache.

 

 

99

Any initialization required after optional ROM test over. Going to setup timer data area and printer

 

base address.

 

 

9A

Return after setting timer and printer base address. Going to set the RS-232 base address.

 

 

9B

Returned after RS-232 base address. Going to do any initialization before Coprocessor test.

 

 

9C

Required initialization before Coprocessor is over. Going to initialize the Coprocessor next.

 

 

9D

Coprocessor initialized. Going to do any initialization after Coprocessor test.

 

 

9E

Initialization after Coprocessor test is complete. Going to check extended keyboard, keyboard ID

 

and num-lock.

 

 

A2

Going to display any soft errors.

 

 

A3

Soft error display complete. Going to set keyboard typematic rate.

 

 

A4

Keyboard typematic rate set. To program memory wait states.

 

 

A5

Going to enable parity/NMI.

 

 

A7

NMI and parity enabled. Going to do any initialization required before giving control to optional

 

ROM at E000.

 

 

A8

Initialization before E000 ROM control over. E000 ROM to get control next.

 

 

A9

Returned from E000 ROM control. Going to do any initialization required after E000 optional ROM

 

control.

 

 

AA

Initialization after E000 optional ROM control is over. Going to display the system configuration.

 

 

AB

Put INT13 module runtime image to shadow.

 

 

AC

Generate MP for multiprocessor support (if present).

 

 

AD

Put CGA INT10 module (if present) in Shadow.

 

 

 

continued

108

Image 108
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 DiagramFor information about Refer to Power supply connectors 1.1, Online SupportProcessor 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 DimmIntel 925X Chipset 1 USBIDE Support Parallel ATE IDE InterfaceSerial ATA Interfaces RAID Boot Configuration Overview Scsi Hard Drive Activity LED Connector OptionalSerial ATA RAID 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 Power Management Fan MonitoringChassis Intrusion and Detection 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 14.2.8 PME# Signal Wake-up Support Instantly Available PC TechnologyResume on Ring Wake from USBWAKE# Signal Wake-up Support 14.2.10 +5 V Standby Power Indicator LEDTrusted Platform Module Optional System RequirementsSecurity Precautions Password ProceduresEmergency Recovery File Back Up Procedures Hard Drive Image Backup ProceduresClear Text Backup Optional 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 DMA Channels Memory MapSystem Memory 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 Atapi CD-ROM Connector Front Panel Audio ConnectorFront Chassis Fan and Rear Chassis Fan Connectors Processor Fan Connector and Auxiliary Rear Fan ConnectorChassis Intrusion Connector Scsi Hard Drive Activity LED Connector OptionalSerial ATA Connectors Auxiliary Power Output ConnectorPower Supply Connectors Add-in Card Connectors Main Power ConnectorATX12V Power Connector Alternate Power ConnectorAuxiliary Front Panel Power/Sleep LED Connector Front Panel ConnectorAuxiliary Front Panel Power/Sleep LED 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 DC Loading Characteristics DC Current at Mode DC Power +3.3 +12 +5 VSBElectrical Considerations DC LoadingFan Connector Current Capability Power Supply ConsiderationsFan Connector Current Capability 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 Desktop Board D925XCV/D925XBC Environmental Specifications Parameter Specification TemperatureEnvironmental ShockSafety Regulations Safety RegulationsRegulatory Compliance 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 Bios Flash Memory Organization Resource ConfigurationPCI Autoconfiguration PCI IDE SupportSystem Management Bios Smbios Overview of Bios FeaturesLegacy USB Support Bios Updates Language SupportCustom Splash Screen For information about Refer to Intel World Wide Web siteBoot Options CD-ROM BootNetwork 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 Boot Block Recovery Code Checkpoints Error Messages and Beep CodesPort 80h Post Codes Uncompressed Init Code CheckpointsRuntime Code Uncompressed in F000 Shadow RAM To prepare the descriptor tables Password checked. About to do programming before setup Bus Initialization Checkpoints Bus Initialization CheckpointsUpper Nibble High Byte Functions 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.