Battery, Real-Time Clock | Intel DX48BT2 instruction

Intel Desktop Board DX48BT2 Product Guide

Battery

A battery on the Desktop Board keeps the values in CMOS RAM and the clock current when the computer is turned off. Go to page 58 for instructions on how to replace the battery.

Real-Time Clock

The Desktop Board has a time-of-day clock and 100-year calendar. The battery on the Desktop Board keeps the clock current when the computer is turned off.

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Intel DX48BT2 manual Battery, Real-Time Clock

Contents

Intel Desktop Board DX48BT2 Product Guide Canadian Department of Communications Compliance Statement Revision HistoryFCC Declaration of Conformity Disclaimer Use Only for Intended Applications PrefaceIntended Audience Document Organization Term Description TerminologyIntel Desktop Board DX48BT2 Product Guide Contents Updating the Bios Contents Regulatory Compliance Tables Desktop Board Features Feature Summary Supported Operating Systems Related Links Desktop Board Features Desktop Board Components Label Description Processor Main Memory Intel X48 Express Chipset Audio Subsystem LAN Subsystem LED Color LED State Indicates Serial ATA USB 2.0 SupportEnhanced IDE Interface Legacy I/O Security Passwords Serial ATA and IDE Auto ConfigurationPCI and PCI Express* Auto Configuration Expandability Chassis Intrusion Hardware ManagementHardware Monitoring and Fan Speed Control Intel Precision Cooling Technology Software Support Power ManagementPower Connectors Hardware Support Instantly Available PC Technology Fan HeadersLAN Wake Capabilities +5 V Standby Power Indicator Location of the Standby Power Indicator Energy STAR* Capable PME# Signal Wake-up SupportWAKE# Signal Wake-up Support Wake from USB Onboard Power Button Onboard Power Button Onboard VR and CPU LEDs Speaker Battery Real-Time Clock Installing and Replacing Desktop Board Components Before You Begin Observe Safety and Regulatory Requirements Installation PrecautionsPrevent Power Supply Overload Installing the I/O Shield Installing and Replacing Desktop Board Components Installing and Removing the Desktop Board Desktop Board DX48BT2 Mounting Screw Hole Locations Installing and Removing a Processor Installing a Processor Lift the Load Plate Remove the Processor from the Protective Processor Cover Close the Load Plate Installing the Processor Fan Heat Sink Connecting the Processor Fan Heat Sink Cable Installing the ICH Heat Sink Decorative Cover Optional Removing the Processor Installing an MCH Heat Sink Fan Optional Installation of a Typical MCH Heat Sink Fan Two or Four DIMMs Installing and Removing MemoryGuidelines for Dual Channel Memory Configuration Dual Channel Memory Configuration with Four DIMMs Three DIMMs Installing DIMMs Use DDR3 DIMMs Installing a Dimm Removing DIMMs Installing and Removing a PCI Express x16 Card Installing Multiple PCI Express x16 Graphics Cards Installing a PCI Express x16 Card Installing a PCI Express x16 Card Removing a PCI Express x16 Card Removing a PCI Express x16 Card Connecting the IDE Cable Connecting the IDE Cable Connecting the Serial ATA Sata Cables Connecting a Serial ATA Cable Connecting to the Internal Headers and Connectors Internal Headers and Connectors Front Panel Audio Header Front Panel Audio Header Signal NamesHD Audio Link Header Signal Names HD Audio Link Header Chassis Intrusion Header Signal Names Front Panel CIR Receiver Input Header Signal NamesBack Panel CIR Header Emitter Output Header Signal Names Chassis Intrusion Header Ieee 1394a Header Ieee 1394a Header Signal NamesUSB 2.0 Header Signal Names USB 2.0 Headers Front Panel Header Alternate Front Panel Power LED HeaderPdif Connector Connecting to the Flexible Audio System Back Panel Audio Connectors Connecting Chassis Fan and Power Supply Cables Connecting Chassis Fan Cables Connecting Power Supply Cables Connecting Power Supply Cables Setting the Bios Configuration Jumper Location of the Bios Configuration Jumper Block Jumper Setting Mode Description Clearing PasswordsJumper Settings for the Bios Setup Program Modes Replacing the Battery Précaution Varo Προσοχή Pozor Removing the Battery Updating the Bios Updating the Bios with the Intel Express Bios Update Utility Obtaining the Bios Update File Updating the Bios with the ISO Image Bios Update File Updating the Bios with the Iflash Memory Update Utility Updating the Bios Recovering the Bios Configuring the Bios Configuring for RAIDConfiguring for RAID Using Intel Matrix Storage Technology Creating Your RAID Set Setting Up a RAID Ready System Configuring for RAID Intel Desktop Board DX48BT2 Product Guide Bios Error Messages Error Messages and IndicatorsBios Beep Codes Bios Error Messages Intel Desktop Board DX48BT2 Product Guide Safety Standards Safety StandardsPlace Battery Marking Regulatory Compliance European Union Declaration of Conformity Statement Regulatory Compliance Product Ecology StatementsRecycling Considerations Français DeutschEspañol Malay Türkçe PortugueseRussian Lead-free 2LI/Pb-free 2LI Board Lead-Free Second Level Interconnect Marks Restriction of Hazardous Substances RoHSEU RoHS Description Mark China RoHS China RoHS Environmentally Friendly Use Period Mark Regulatory Compliance Regulation Class B Title EMC RegulationsEMC Regulations Ensure Electromagnetic Compatibility EMC Compliance Product Certification Markings Product CertificationsBoard-Level Certification Markings Chassis and Component Certifications Europe Intel Desktop Board DX48BT2 Product Guide