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Dell XPS 420 Understanding Intel SpeedStep Technology, Optimizing for Greater Performance

Models: XPS 420

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Optimizing for Greater Performance

Understanding Intel™ SpeedStep® Technology

SpeedStep technology controls your computer's processor performance automatically, dynamically adjusting the operating frequency and voltage, according to the task at hand. When an application does not require full performance, significant amounts of power can be saved. Performance is designed to still be responsive, with maximum processor performance being delivered when required, and automatic power savings when possible.

Windows Vista™ automatically sets Intel Speedstep technologies in the Dell Recommended, Balanced, and Power Saver power plans. It is disabled in the High Performance power plan.

Optimizing for Greater Performance

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Dell XPS 420 owner manual Understanding Intel SpeedStep Technology, Optimizing for Greater Performance

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m November GX404 Rev. A01 Contents Setting Up Your Internet Connection Connecting a USB PrinterIeee 1394a Device Problems Configuring Power Management SettingsCoin-Cell Battery Problems Mail, Modem, and Internet ProblemsMicrosoft Windows Vista Operating Dell Diagnostics Main Menu104 General Installation Guidelines 128Inside View of Your Computer 102 103Installing the Processor Fan Installing a CD/DVD DriveInstalling the Processor Airflow Shroud Installing the Processor Fan Cage173 Clearing Forgotten Passwords 188Technical Support and Customer Service 196 Replacing the Computer CoverAutomated Order-Status Service Finding Information Finding InformationMy device documentation Desktop System Software DSSMicrosoft Windows License Label What Are You Looking For? Find It Here Warranty informationTips, articles from technicians Reinstall the DSS utility. DSS Service Tag or product modelUpdates appropriate for your Configuration, providing criticalSystem How to personalize my desktop Vista Start button ClickProblem Follow the instructions on the screen What Are You Looking For? Find It HereFront View Setting Up and Using Your ComputerFront and Back View of the Computer Area to avoid water damage to the system Automatically when the eject button is pressedObject near the vents To ensure that the system is adequatelySuch as printers and keyboards Front I/O Connectors Pdif RCA Back ViewConnector Back I/O ConnectorsTo the network Adapter connectorNetwork and the computer Gbps network and the computerMain speakers in the surround sound setup Installing Your Computer in an EnclosureBook.book Page 23 Tuesday, November 27, 2007 1029 AM Connecting Monitors Connecting a Monitor Without an Adapter Connecting a Monitor With an Adapter Book.book Page 27 Tuesday, November 27, 2007 1029 AM Connecting Two or More Monitors Connecting a TV RAID Level 0 Configuration About Your RAID ConfigurationChanging the Display Settings Segment Hard drive RAID Level 1 ConfigurationConfiguring Your Computer for RAID Using the Intel RAID Option ROM Utility Book.book Page 34 Tuesday, November 27, 2007 1029 AM Book.book Page 35 Tuesday, November 27, 2007 1029 AM Using the Intel Application Accelerator Book.book Page 37 Tuesday, November 27, 2007 1029 AM Book.book Page 38 Tuesday, November 27, 2007 1029 AM Book.book Page 39 Tuesday, November 27, 2007 1029 AM Book.book Page 40 Tuesday, November 27, 2007 1029 AM Intel Viiv Technology Optional Using Intel Viiv Quick Resume Technology QRTDell DataSafe Optional Playing CDs or DVDs Using MultimediaEnabling the QRT Feature in System Setup Enabling the QRT Feature in the Operating SystemDVD player includes the following basic buttons Copying Media How to Copy a CD or DVDUsing Blank CDs and DVDs How to Copy a Blu-ray Disc BD MediaMedia Type Read Write Rewritable Helpful TipsUsing a Media Card Reader MMC/RS-MMC Understanding the Media Xcelerator Optional Understanding Windows SideShow and the LCD display Adding Gadgets To LCD Display Menu Configuring the LCD displayPrinter Cable Setting Up a PrinterConnecting a USB Printer USB connector on USB printer cable Computer Printer Setting Up Your Internet Connection Connecting to the InternetNetwork Setup Wizard Hybrid Sleep Power Management Options in Windows VistaSleep Mode Transferring Information to a New ComputerConfiguring Power Management Settings Hibernate ModeBook.book Page 58 Tuesday, November 27, 2007 1029 AM Optimizing for Greater Performance Understanding Intel SpeedStep TechnologyBook.book Page 60 Tuesday, November 27, 2007 1029 AM Troubleshooting Solving ProblemsCoin-Cell Battery Problems Follow these tips when you troubleshoot your computerClick the Windows Vista Start button and click Computer Drive ProblemsOptical drive problems Problems writing to an optical driveHard drive problems Mail, Modem, and Internet ProblemsError Messages Keyboard Problems Ieee 1394a Device ProblemsProgram stops responding Lockups and Software ProblemsComputer does not start up Computer stops respondingSolid blue screen appears Other software problemsProgram crashes repeatedly Program is designed for an earlier Windows operating systemMouse Problems Memory ProblemsPower Problems Network ProblemsT H E P O W E R L I G H T I S B L I N K I N G B L U E Printer Problems No sound from speakers Sound and Speaker ProblemsScreen is blank Screen is difficult to read Video and Monitor ProblemsNo sound from headphones 3D image quality is poor Power Lights Processor on Diagnostic LightsLight Pattern Problem Description Reseat the processor seeInstall additional memory Light Pattern Problem Description Suggested ResolutionReinstall one module see Installing Memory onEnsure that the memory you Ensure that no specialRequirements for memory Exist see Memory onPossible expansion card 1 Determine if a conflict exists See System Board Code Cause Beep CodesCodeCause Keyboard Controller Test failure Message Possible Cause Corrective Action System MessagesDMA FDD Controller When to Use Dell Diagnostics Dell DiagnosticsStarting Dell Diagnostics From Your Hard Drive Option Function Dell Diagnostics Main MenuExtended Test Attached to your computer What Is a Driver?Drivers Tab FunctionIdentifying Drivers Using the Drivers and Utilities Media Book.book Page 93 Tuesday, November 27, 2007 1029 AM Restoring Your Operating System Using Microsoft Windows System RestoreUsing Dell Factory Image Restore Using the Operating System Media To reinstall Windows, you need the following items Troubleshooting LCD Display Problems Turning Off Your Computer Removing and Installing PartsBefore You Begin Recommended Tools100 Before Working Inside Your Computer101 Removing the Computer Cover102 Inside View of Your Computer103 System Board ComponentsMemory Overview Memory105 Addressing Memory With 8-GB Configurations Installing Memory107 Removing Memory 109 CardsPCI Cards 110 Installing a PCI Card111 Book.book Page 112 Tuesday, November 27, 2007 1029 AM 113 Book.book Page 114 Tuesday, November 27, 2007 1029 AM 115 PCI Express CardsBook.book Page 116 Tuesday, November 27, 2007 1029 AM 117 Book.book Page 118 Tuesday, November 27, 2007 1029 AM 119 120 121 122 123 124 Drive PanelsRemoving the Drive Panel 125 Removing the Drive-Panel InsertReplacing the Drive-Panel Insert 127 Replacing the Drive PanelAlign the drive panel tabs with the side-door hinges Drives General Installation Guidelines129 Hard DriveRemoving a Hard Drive Installing a Hard Drive 131 Connect the power and hard drive cables to the hard driveAdding a Second Hard Drive 133 Installing a Hard Drive in the FlexBay 135 Removing a Hard Drive From the FlexBayRemoving a Floppy Drive Floppy Drive137 138 Installing a Floppy Drive139 140 Media Card ReaderRemoving a Media Card Reader 141 142 Installing a Media Card Reader143 144 CD/DVD DriveRemoving a CD/DVD Drive 145 Installing a CD/DVD Drive 147 148 Removing the Processor Airflow Shroud AssemblyProcessor Airflow Shroud 149 Installing the Processor Airflow Shroud AssemblyFans Removing the Processor Fan CageEase the cage out of the housing Installing the Processor Fan Cage151 Removing the Processor FanRemoving the Card Fan Installing the Processor Fan153 Removing the Processor Installing the Card FanProcessor 155 Installing the Processor156 Align the pin-1 corner of the processor and socket157 System BoardRemoving the System Board Installing the System Board 159 DC Power Connector P1 160 Power SupplyPower Supply PSU DC Connector Pin Assignments 161 Power Supply Pin Number Signal name AWG Wire Color162 DC Power Connector P2DC Power Connector P3 and P5 AWG Wire Signal name Color DC Power Connector P7DC Power Connectors P8, P9, P13, and P14 Power Supply Pin Number164 DC Power Connectors P10DC Power Connectors P12 AWG Wire Signal name165 Removing the Power SupplyDC Power Connector P15 For 425-W PSU Only Pin Number Signal Name AWG Wire ColorInstalling the Power Supply 167 Front I/O PanelFront I/O-Panel Components Removing the Front I/O Panel 169 Installing the Front I/O Panel170 Coin-Cell BatteryReplacing the Coin-Cell Battery 171 Replacing the Computer Cover 173 Specifications174 175 176 177 Overview System Setup179 Entering System SetupContains information about each 180 System Setup OptionsSo that it becomes the first device in the boot sequence Internal default181 182 183 184 185 Boot Sequence 187 Clearing Forgotten Passwords 189 Clearing Cmos Settings 191 Cleaning Your ComputerComputer, Keyboard, and Monitor MouseCDs and DVDs Floppy Drive193 FCC Notices U.S. OnlyClass a FCC Identification Information Class B195 Getting HelpObtaining Assistance DellConnect Online Services Technical Support and Customer ServiceProduct Information Problems With Your OrderAutoTech Service Automated Order-Status Service198 Returning Items for Warranty Repair or CreditBefore You Call 199 Diagnostics ChecklistContacting Dell Glossary 201202 Product ID 203Docking device See APR 204Device driver See driver 205 206 207 208 209 NIC See network adapter 210Module bay See media bay 211 212 213 214 215 216 Video resolution See resolution217 218 Index 219Inside view, 102 stops responding Book.book Page 220 Tuesday, November 27, 2007 1029 AM 221 Book.book Page 222 Tuesday, November 27, 2007 1029 AM 223 SLI Settings System setup Sleep mode about225 226