Dell SX260 technical specifications System Setup Options, CPU Information, Fastboot, HDD Priority

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System Setup Options

To get additional information about any setup option, highlight the entry and press <F1>.

AC Power Recovery — determines what happens when AC power is restored to the computer.

Off — Computer remains off when AC power is restored.

On — Computer starts when AC power is restored.

Last — Computer returns to the AC power state existing at the time that AC power was lost.

Asset Tag — displays the customer-programmable asset tag number for the computer if an asset tag number is assigned

Auto Power On — sets time and days of week to turn on the computer automatically. Choices are every day or every Monday through Friday.

Time is kept in a 24-hour format (hours:minutes). Change the start up time by pressing the right- or left-arrow keys to increase or decrease the numbers or type numbers in both the date and time fields.

Disabled is the default.

This feature does not work if you turn off your computer using a power strip or surge protector.

CPU ID — manufacturer's identification code for the installed microprocessor.

CPU Information

CPU Speed — processor speed at which the computer boots.

Press the left- or right-arrow key to toggle the CPU Speed option between the resident microprocessor's rated speed (the default) and a lower-compatibility speed. A change to this option takes effect immediately (no restart is necessary).

To toggle between the rated processor speed and the compatibility speed while the computer is running in real mode, press <Ctrl><Alt><\>. (For keyboards that do not use American English, press <Ctrl><Alt><#>.)

Bus Speed — speed of the microprocessor's system bus.

Processor ID — manufacturer's identification code(s) for the installed microprocessor.

Clock Speed — core speed at which the microprocessor(s) operates.

Cache Size — size of the microprocessor's L2 cache.

Hyper-Threading enables or disables Hyper-Threading technology for operating systems that support Hyper-Threading. The default setting is Disabled.

Fastboot

On (default) — Your computer boots in 10 seconds or less, skipping certain configurations and tests.

Off — Your computer does not skip certain configurations and tests during the boot process.

HDD Priority

HDD (default)

USB Device

NOTE: To boot from a USB memory device, select the USB device and move it to make it the first device.

Integrated Devices — configures the following devices integrated with the system board:

Sound — settings are On (default) or Off

USB Controller — settings are On or Off

Network Interface Controller — settings are On (default), Off, or On w/ MBA. Settings for On w/ MBA are PXE, RPL, BootP, or NetWare as the active boot mode

Mouse Port — settings are On or Off

Parallel Port — settings are Mode, I/O Address, and DMA Channel

Mode settings are PS/2, EPP, ECP, AT, or Off. Set the Mode option according to the type of device connected to the parallel connector. To determine the correct mode to use, see the documentation that came with the device.

I/O Address settings are 378h (default), 278h, or 3BCh. The settings are not available when Mode is set to Off.

NOTE: You cannot set the parallel connector to 3BCh if Mode is set to EPP.

DMA Channel appears only when Mode is set to ECP. Settings are DMA 1, DMA 3, or Off.

USB Emulation — settings are On, Off, and No Boot.

NOTE: No Boot disables booting from all USB devices.

Keyboard NumLock — settings are On and Off (does not apply to 84-key keyboards)

On — activates the rightmost bank of keys so they provide the mathematical and numeric functions shown at the top of each key.

Off — activates the rightmost bank of keys so they provide cursor-control functions shown by the label on the bottom of each key.

Memory Information — indicates amount of installed memory, computer memory speed, amount of video memory, and size of the display cache.

If You Have a Problem

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Contents Dell OptiPlex SX260 Systems Users Guide Abbreviations and AcronymsRegulatory Notices FCC Notices U.S. OnlyFCC Identification Information IC Notice Canada OnlyClass a Class B Simplified Chinese Class a Warning Notice China Only CE Notice European UnionEnergy Star Compliance Energy Star EmblemClass a ITE Vcci Class a ITE Regulatory MarkClass a Device MIC Notice Republic of Korea OnlyClass B ITE Polish Center for Testing and Certification Notice Class B DeviceBsmi Notice Taiwan Only NOM Information Mexico Only Back to Contents Warranty and Return Policy Back View About Your ComputerFront View Back-Panel Connectors Inside Your ComputerOrientations Standard OrientationsChassis Stand Cable Cover Attaching the Cable CoverAttaching the Computer to the Mounting Plate Mounting PlateRemoving the Cable Cover Removing the Computer from the Mounting Plate Connecting the Power Adapter Back to Contents Light Problem Description Suggested Resolution Pattern Advanced TroubleshootingDiagnostic Lights Beep Codes Code Cause ActionStarting the Dell Diagnostics Dell DiagnosticsWhen to Use the Dell Diagnostics Option Function Starting the Dell Diagnostics From Your Hard DriveDell Diagnostics Main Menu Before You Reinstall Reinstalling DriversReinstalling Microsoft Windows XP Tab FunctionWindows XP Setup Reinstalling Windows XPBooting From the Operating System CD Resolving Software and Hardware Incompatibilities Reinstalling Microsoft WindowsClick Performance and Maintenance, and then click System Windows XPWindows Page Manageability Advanced FeaturesLegacySelect Technology Control Alert Standard FormatDell OpenManage Client Instrumentation Option SettingsSecurity Chassis Intrusion DetectionAssigning a System Password Password ProtectionSystem Password If Password Status is set to Unlocked Typing Your System PasswordDeleting or Changing an Existing System Password If Password Status is set to LockedOperating Your Computer With a Setup Password Enabled Setup PasswordAssigning a Setup Password Deleting or Changing an Existing Setup Password Entering System Setup System Setup Disabling a Forgotten Password and Setting a New Password System Setup Screens Keys ActionSystem Setup and Diagnostics Options Boot Device MenuBoot Options Changing Boot Sequence for Future BootsCPU Information System Setup OptionsFastboot HDD PriorityJumper Settings Jumper Setting DescriptionHung Computer Power ButtonHyper-Threading Click Hardware and click Device Manager Battery Properly dispose of the old battery Back to Contents Computer, Keyboard, and Monitor Cleaning Your ComputerBefore Cleaning Your Computer MouseCDs and DVDs Installing a CD/DVD Device When Your Computer Is Turned Off Module BayInstalling a CD/DVD Device When Your Computer Is Running Microsoft Windows XPPage Windows Back to Contents Replacing the Computer Cover Removing the Computer Cover Documentation for Your Computer Ergonomic Computing Habits Back to Contents Finding Information for Your Computer What Are You Looking For? Find It HereDell Support website Technical Assistance Online ServicesGetting Help Technical Support Service AutoTech ServiceAutomated Order-Status Service Ftp.dell.comBefore You Call Problems With Your OrderDiagnostics Checklist Contacting Dell Bolivia Belgium Brussels Website support.euro.dell.comBermuda BrazilDominican Republic Denmark Copenhagen Website support.euro.dell.comDominica EcuadorItaly Milan Website support.euro.dell.com IndiaIreland Cherrywood Website support.euro.dell.com JamaicaMalaysia Penang Luxembourg Website support.euro.dell.comMacao MexicoPoland Warsaw Website support.euro.dell.com PanamaPeru PortugalSwitzerland Geneva Website support.euro.dell.com Customer Care website dell.co.uk/lca/customerservicesSweden Upplands Vasby Website support.euro.dell.com TaiwanVenezuela BusinessVirgin Islands Glossary C D E F G H I K L M N O P R S T U V W X ZDevice driver See driver Page Page Page Video resolution See resolution Back to Contents Hard Drive Page ALERT! Cover was previously removed Back to Contents Adding a Memory Module MemoryRemoving a Memory Module Memory module ConnectorMemory connectors on system board NotchBack to Contents Adding and Removing Parts Microprocessor Page Page ALERT! Cover was previously removed Back to Contents When Working Inside Your Computer GeneralErgonomic Computing Habits Battery DisposalProtecting Against Electrostatic Discharge Power Light Problem Description Suggested Resolution Solving ProblemsBattery Problems System LightsCD drive problems Drive ProblemsFloppy drive problems Problems writing to a CD-RW driveHard drive problems Repairing a Wet ComputerDVD drive problems Test the hard driveCheck the memory and cable connections Error MessagesDropped or Damaged Computer Click Control Panel Click Add or Remove ProgramsKeyboard failure No boot sector on hard-disk driveGeneral failure The operating example, Printer out of paper Program stops responding General ProblemsComputer stops responding End the programGeneral hardware problems Other software problemsOther technical problems Program crashes repeatedlyMouse Problems Keyboard ProblemsMemory Problems Network Problems Power ProblemsVerify the printer cable connections Printer ProblemsSerial or Parallel Device Problems Verify that the printer is recognized by WindowsReinstall the audio sound driver See Dell Diagnostics Sound and Speaker ProblemsNo sound from headphones No sound from speakersIf the screen is blank System Board ProblemsVideo and Monitor Problems If the screen is difficult to readAdjust the Windows display settings Click Appearance and ThemesTechnical Specifications Controls and Lights PowerKey Combinations PhysicalBack to Contents System Board Components New User Interface Microsoft Windows XP FeaturesOverview Help and Support CenterClick Clean Desktop Now Switching to Classic ViewClean Desktop Wizard Click PropertiesApplication and Device Compatibility Files and Settings Transfer WizardNotification Area Cleanup Taskbar GroupingScheduled Automatic Restore Points System RestoreUsing System Restore Manual Restore Points Restore ProcessEvent-Triggered Restore Points What Happens When a Fast User Switch Occurs? User Accounts and Fast User SwitchingHow to Use Fast User Switching Driver RollbackHow to Add Users Special Considerations With Fast User SwitchingHow to Turn Off Fast User Switching Click Apply OptionsHome and Small Office Networking Network Setup WizardClick checklist for creating a network Internet Connection FirewallBack to Contents