Intel D845EBG2, D845EPT2 manual Replacing the Battery, Précaution

Page 33

Installing and Replacing Desktop Board Components

Replacing the 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. The clock is accurate to ± 13 minutes/year at 25 ºC with 3.3 VSB applied.

When the voltage drops below a certain level, the BIOS Setup program settings stored in CMOS RAM (for example, the date and time) might not be accurate. Replace the battery with an equivalent one. Figure 12 on page 35 shows the location of the battery.

CAUTION

Risk of explosion if the battery is replaced with an incorrect type. Batteries should be recycled where possible. Disposal of used batteries must be in accordance with local environmental regulations.

PRÉCAUTION

Risque d'explosion si la pile usagée est remplacée par une pile de type incorrect. Les piles usagées doivent être recyclées dans la mesure du possible. La mise au rebut des piles usagées doit respecter les réglementations locales en vigueur en matière de protection de l'environnement. (French)

FORHOLDSREGEL

Eksplosionsfare, hvis batteriet erstattes med et batteri af en forkert type. Batterier bør om muligt genbruges. Bortskaffelse af brugte batterier bør foregå i overensstemmelse med gældende miljølovgivning.

(Danish)

OBS!

Det kan oppstå eksplosjonsfare hvis batteriet skiftes ut med feil type. Brukte batterier bør kastes i henhold til gjeldende miljølovgivning.

(Norwegian)

VIKTIGT!

Risk för explosion om batteriet ersätts med felaktig batterityp. Batterier ska kasseras enligt de lokala miljövårdsbestämmelserna.

(Swedish)

VARO

Räjähdysvaara, jos pariston tyyppi on väärä. Paristot on kierrätettävä, jos se on mahdollista. Käytetyt paristot on hävitettävä paikallisten ympäristömääräysten mukaisesti.

(Finnish)

33

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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 ChipsetPower Management Expansion CapabilitiesHardware Management 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 Battery SpeakerReal-Time Clock 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 and Removing a Processor Installing a ProcessorInstalling the Processor Fan Heat Sink Removing a Processor Connecting the Processor Fan Heat Sink CableInstalling DIMMs Installing and Removing MemoryInstalling and Removing the AGP Card Installing an AGP CardRemoving DIMMs 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 AdvancedAdvanced Menu 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 defaultPrimary/Secondary IDE Master/Slave Submenus Primary/Secondary IDE Master/Slave SubmenusAdvanced Security Floppy Configuration Submenu This submenu shown in is used to configure the floppy driveFloppy Configuration Submenu Event Log Configuration Submenu Event Log Configuration SubmenuEvent Log Configuration Enabled default Yes default DescriptionVideo Configuration Submenu Submenu shown in is used to configure video featuresVideo Configuration Submenu 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.