Intel D975XBX2 manual Clearing Passwords

Page 53

Installing and Replacing Desktop Board Components

Clearing Passwords

This procedure assumes that the board is installed in the computer and the configuration jumper block is set to normal mode.

1.Observe the precautions in "Before You Begin" on page 25.

2.Turn off all peripheral devices connected to the computer. Turn off the computer. Disconnect the computer’s power cord from the AC power source (wall outlet or power adapter).

3.Remove the computer cover.

4.Find the configuration jumper block (see Figure 30).

5.Place the jumper on pins 2-3 as shown below.

6.Replace the cover, plug in the computer, turn on the computer, and allow it to boot.

7.The computer starts the Setup program. Setup displays the Maintenance menu.

8.Use the arrow keys to select Clear Passwords. Press <Enter> and Setup displays a pop-up screen requesting that you confirm clearing the password. Select Yes and press <Enter>. Setup displays the maintenance menu again.

9.Press <F10> to save the current values and exit Setup.

10.Turn off the computer. Disconnect the computer’s power cord from the AC power source.

11.Remove the computer cover.

12.To restore normal operation, place the jumper on pins 1-2 as shown below.

13.Replace the cover, plug in the computer, and turn it on.

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Contents Intel Desktop Board D975XBX2 Product Guide FCC Declaration of Conformity Revision HistoryCanadian Department of Communications Compliance Statement DisclaimerIntended Audience PrefaceUse Only for Intended Applications Document LayoutTerminology Box ContentsContents Bios Regulatory Compliance ContentsTables Feature Summary Desktop Board FeaturesRelated Links Supported Operating Systems Desktop Board FeaturesDesktop Board D975XBX2 Components Desktop Board ComponentsLabel Description Main Memory ProcessorMemory Operating Frequencies Intel 975X Express ChipsetRelated Link Processor system bus Resulting memory Dimm Type FrequencyInput/Output I/O Controller Audio SubsystemRJ-45 10/100/1000 Gigabit Ethernet LAN Connector LEDs RJ-45 LAN Connector LEDsLAN Subsystem LAN Subsystem SoftwareEnhanced IDE Interface Hi-Speed USB 2.0 SupportSerial ATA ExpandabilitySecurity Passwords Serial ATA and IDE Auto ConfigurationPCI and PCI Express* Auto Configuration Fan Connectors Power Management FeaturesChassis Intrusion Fan Speed Control Intel Precision Cooling TechnologySuspend to RAM Instantly Available PC Technology Location of Standby Power Indicator Related LinksWake from USB Resume on RingWake from PS/2* Keyboard/Mouse PME# Wakeup SupportOnboard Power Button BatterySpeaker Real-Time ClockIntel Desktop Board D975XBX2 Product Guide Before You Begin Installing and Replacing Desktop Board ComponentsObserve Safety and Regulatory Requirements Installation PrecautionsPrevent Power Supply Overload Installing and Replacing Desktop Board Components Installing the I/O ShieldInstalling and Removing the Desktop Board Location of Mounting Screw Holes Installing a Processor Installing and Removing a ProcessorRemove the Protective Socket Cover Install the Processor Removing the Processor Installing the Processor Fan Heat SinkConnecting the Processor Fan Heat Sink Cable Dual Channel Memory Configuration Example Installing and Removing MemoryThree DIMMs Use DDR2 DIMMs Installing DIMMsInstalling a Dimm Removing DIMMs Installing and Removing a PCI Express x16 CardInstalling PCI Express Graphics Cards Installing a PCI Express x16 CardInstalling a PCI Express x16 Card Removing the PCI Express x16 Card Removing the PCI Express x16 CardConnecting the IDE Cable Connecting the IDE CableConnecting Serial ATA Cables Connecting the Serial ATA CableItem Description Connecting Internal HeadersFront Panel Header Signal Names Alternate Front Panel Power LED HeaderIeee 1394a Header Signal Names Front Panel HeaderFront Panel Audio Header Signal Names USB 2.0 Header Signal NamesUSB 2.0 Headers Front Panel Audio HeaderConnecting the Rear Panel USB 2.0 Adapter Installing the Rear Panel USB 2.0 AdapterConnecting an External Serial ATA Adapter Installing an External Serial ATA AdapterLocation of Fan Headers Connecting Chassis Fan Cables Connecting Power Supply Cables Connecting Power Supply CablesLocation of Other Connectors Other ConnectorsJumper Setting Mode Description Setting the Bios Configuration JumperJumper Settings for the Bios Setup Program Modes Clearing Passwords Back Panel Connectors Back Panel ConnectorsPrecaution Replacing the BatteryΠροσοχή Vigyazat Uyari Updating the Bios Accessing the Bios Setup ProgramObtaining the Bios Update File Updating the Bios with the Iflash Memory Update UtilityRecovering the Bios Intel Desktop Board D975XBX2 Product Guide Configuring for RAID using Intel Matrix Storage Technology Configuring for RAIDConfiguring the Bios Creating Your RAID SetSetting Up a RAID Ready System Configuring for RAID using Marvell Storage TechnologyConfiguring for RAID Intel Desktop Board D975XBX2 Product Guide Bios Beep Codes Error Messages and IndicatorsBios Error Messages Bios Error MessagesIntel Desktop Board D975XBX2 Product Guide Place Battery Marking Safety RegulationsSafety Regulations Regulatory ComplianceEuropean Union Declaration of Conformity Statement Regulatory Compliance Product Ecology StatementsRecycling Considerations Deutsch Malay Lead-Free Board Markings Lead-Free Desktop BoardEMC Regulations EMC RegulationsEnsure Electromagnetic Compatibility EMC Compliance Product Certification Markings Product CertificationsBoard-Level Certification Markings Europe Chassis and Component Certifications