Intel D845EBG2, D845EPT2 Power Management Features, IDE Auto Configuration, Security Passwords

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Desktop Board Features

IDE Auto Configuration

If you install an IDE device (such as a hard drive) in your computer, the IDE auto-configuration utility in the BIOS automatically detects and configures the device for your computer. You do not need to run the BIOS Setup program after installing an IDE device. 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:

An ATA-66/100 peripheral device

An ATA-66/100 compatible cable

ATA-66/100 operating system device drivers

Security Passwords

The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the computer. A supervisor password and a user password can be set for the Setup and for booting the computer, with the following restrictions:

The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing <Enter> at the password prompt of Setup gives the user restricted access to Setup.

If both the supervisor and user passwords are set, you must enter either the supervisor password or the user password to access Setup. Setup options are then available for viewing and changing depending on whether the supervisor or user password was entered.

Setting a user password restricts who can boot the computer. The password prompt is displayed before the computer is booted. If only the supervisor password is set, the computer boots without asking for a password. If both passwords are set, you can enter either password to boot the computer.

Power Management Features

Advanced Configuration and Power Interface (ACPI)

Suspend to RAM (Instantly Available PC technology)

ACPI

ACPI gives the operating system direct control over the power management and Plug & Play functions of a computer. The use of ACPI with the Desktop Board D845EPT2 or D845EBG2 requires an operating system that provides full ACPI support.

Suspend to RAM (Instantly Available PC Technology)

CAUTION

For Instantly Available PC technology, the 5 V standby line for the power supply must be capable of delivering adequate +5 V standby current. Failure to provide adequate standby current when using this feature can damage the power supply and/or effect ACPI S3 sleep state functionality.

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Contents Intel Desktop Boards D845EPT2 and D845EBG2 Product Guide Revision History Contents Intel Desktop Boards D845EPT2 and D845EBG2 Product Guide Updating the BiosTechnical Reference ContentsTables Feature Summary Desktop Board FeaturesForm Factors Processor Memory ChipsetHardware Management Power ManagementExpansion Capabilities Desktop Board Components Desktop Board FeaturesDesktop Board D845EBG2 Components Type ProcessorDesignation FSB FrequencyIntel 845E Chipset Main MemoryIntel 82845E Memory Controller Hub MCH Input/Output I/O ControllerIntel 82801DB I/O Controller Hub ICH4 Firmware Hub FWHRJ-45 LAN Connector LEDs RJ-45 LAN Connector LEDsAudio Subsystem LAN Subsystem OptionalEnhanced IDE Interface Hi-Speed USB 2.0 SupportExpansion Slots PCI Auto ConfigurationAccelerated Graphics Port AGP Communication and Networking Riser CNR OptionalIDE Auto Configuration Power Management FeaturesSecurity Passwords Suspend to RAM Instantly Available PC TechnologyLocation of Standby Power Indicator Hardware Management Real-Time Clock BatterySpeaker Before You Begin Installing and Replacing Desktop Board ComponentsInstalling the I/O Shield Installing the I/O ShieldInstalling and Replacing Desktop Board Components Installing and Removing the Desktop BoardInstalling the Processor Fan Heat Sink Installing and Removing a ProcessorInstalling a Processor Removing a Processor Connecting the Processor Fan Heat Sink CableInstalling DIMMs Installing and Removing MemoryRemoving DIMMs Installing and Removing the AGP CardInstalling an AGP Card Removing the AGP Card Connecting the IDE CableConnecting the IDE Cable Jumper Settings for the Bios Setup Program Modes J8H2 Setting the Bios Configuration Jumper BlockJumper Setting Mode DescriptionInstalling the Front Panel Audio Solution Clearing Passwords Précaution Replacing the BatteryVorsicht Removing the Battery Intel Desktop Boards D845EPT2 and D845EBG2 Product Guide Updating the Bios with the Intel Express Bios Update Utility Updating the BiosUpdating the Bios Obtaining the Bios Update FileUpdating the Bios Recovering the BiosIntel Desktop Boards D845EPT2 and D845EBG2 Product Guide Setup screen menu bar is shown below Using the Bios Setup ProgramShows the Bios Setup program menu bar Bios Setup Program Menu BarBios Setup Program Function Keys Maintenance MenuMaintenance Maintenance MenuExtended Configuration Submenu Extended Configuration SubmenuMain Menu English defaultMain Main MenuAdvanced Menu Advanced MenuAdvanced PCI Configuration Submenu PCI Configuration SubmenuPCI Configuration Options Auto default DescriptionBoot Configuration Submenu Boot Configuration SubmenuBoot Configuration Options No defaultPeripheral Configuration Submenu Peripheral Configuration SubmenuDefault Bi-directional defaultIRQ 7 default Default Enabled defaultIDE Configuration Submenu IDE Configuration SubmenuIDE Configuration Both defaultAdvanced Security Primary/Secondary IDE Master/Slave SubmenusPrimary/Secondary IDE Master/Slave Submenus Floppy Configuration Submenu Floppy Configuration SubmenuThis submenu shown in is used to configure the floppy drive Event Log Configuration Submenu Event Log Configuration SubmenuEvent Log Configuration Enabled default Yes default DescriptionVideo Configuration Submenu Video Configuration SubmenuSubmenu shown in is used to configure video features Menu shown in is used to configure USB features USB Configuration SubmenuUSB Configuration Submenu Security MenuMenu shown in is used to set power management features Power MenuSubmenu represented in is for setting the Acpi features Acpi SubmenuBoot Menu Boot MenuSubmenu represented in is for setting boot devices priority Boot Device Priority SubmenuBoot Device Priority Submenu OptionsSubmenu in shown is for setting removable devices Submenu shown in is for setting hard disk drivesHard Disk Drives Submenu Removable Devices SubmenuExit Menu Submenu shown in is for setting Atapi CD-ROM drivesAtapi CD-ROM Drives Atapi CD-ROM Drives SubmenuTechnical Reference ConnectorsDescription Color Back Panel ConnectorsFront Panel Audio Header Signal Names J8B1 Midboard ConnectorsPin Signal Name Shows the pin assignments for the front panel audio headerPower and Hardware Connectors Add-In Card and Peripheral Interface Connectors CNR optional PCI bus connector 1 SMBus routed Front Panel USB 2.0 Header J9F1 Front Panel HeadersMemory Map Desktop Board ResourcesDMA Channels System Memory MapInterrupts InterruptsIntel Desktop Boards D845EPT2 and D845EBG2 Product Guide Bios Beep Codes Error Messages and IndicatorsBeep Codes Number of Beeps DescriptionBios Error Messages Bios Error MessagesError Message ExplanationError Messages and Indicators Intel Desktop Boards D845EPT2 and D845EBG2 Product Guide Safety Regulations Safety RegulationsRegulatory Compliance EMC RegulationsProduct Certification Markings Installation Instructions Installation PrecautionsEnsure Electromagnetic Compatibility EMC Compliance Regulatory CompliancePlace Battery Marking Prevent Power Supply OverloadChassis and Component Certifications Use Only for Intended Applications
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D845EBG2, D845EPT2 specifications

The Intel D845EBG2 and D845EPT2 are part of Intel's 845 chipset family, designed primarily for desktop platforms in the early 2000s. Both motherboards catered to a performance-focused market segment, prominently supporting Intel’s Pentium 4 processors through the Socket 478 interface. The D845EBG2 and D845EPT2 are especially noted for their balance of features, affordability, and reliability, making them appealing options for both gaming enthusiasts and regular desktop users during their time.

The D845EBG2 motherboard is distinguished by its support for Intel’s Quad Data Rate (QDR) memory technology, which enabled faster data throughput by allowing more data to be transferred in a given time frame. This motherboard supported dual-channel DDR SDRAM with a maximum capacity of 2GB, providing users with improved memory performance vital for multitasking and memory-intensive applications.

On the other hand, the D845EPT2 also offered similar capabilities but placed a particular emphasis on integrating additional connectivity options. With AGP 4X support, it allowed users to install high-performance graphics cards, which was essential for gaming and graphics processing tasks. Both boards featured multiple PCI slots, ensuring compatibility with a variety of expansion cards for enhanced functionality.

In terms of storage capabilities, both motherboards supported Ultra ATA/100 hard drives, which improved data transfer speeds compared to previous standards. They also included integrated audio, providing 6-channel sound capabilities, which delivered an immersive multimedia experience without requiring additional sound cards.

The technologies implemented in both motherboards included Intel’s Advanced Digital Media Boost for enhanced processing capabilities in multimedia applications, as well as Enhanced Intel SpeedStep technology, which allowed for dynamic adjustment of the processor’s voltage and frequency, optimizing power consumption and thermal output.

Overall, the Intel D845EBG2 and D845EPT2 motherboards were notable for their robust performance, diverse connectivity options, and support for evolving technologies of the time. They left a significant imprint in the landscape of early 2000s computing, providing essential features that catered to both casual users and more demanding computing environments. With their reliability and solid feature set, these motherboards contributed to a range of applications and use cases that defined desktop computing during that era.