Dell R805 manual System memory See RAM

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readme file — A text file, usually shipped with software or hardware, that contains information supplementing or updating the product's documentation.

read-only file — A read-only file is one that you are prohibited from editing or deleting.

ROM Read-only memory. Your system contains some programs essential to its operation in ROM code. A ROM chip retains its contents even after you turn off your system. Examples of code in ROM include the program that initiates your system's boot routine and the POST.

ROMB — RAID on motherboard.

rpm — Revolutions per minute.

RTC Real-time clock.

SAS Serial-attached SCSI.

SATA — Serial Advanced Technology Attachment. A standard interface between the system board and storage devices.

SCSI — Small computer system interface. An I/O bus interface with faster data transmission rates than standard ports.

SDRAM — Synchronous dynamic random-access memory.

sec — Second(s).

serial port — An I/O port used most often to connect a modem to your system. You can usually identify a serial port on your system by its 9-pin connector.

service tag — A bar code label on the system used to identify it when you call Dell™ for technical support.

simple disk volume — The volume of free space on a single dynamic, physical disk.

SMART Self-Monitoring Analysis and Reporting Technology. Allows hard drives to report errors and failures to the system BIOS and then display an error message on the screen.

SMP — Symmetric multiprocessing. Used to describe a system that has two or more processors connected via a high-bandwidth link and managed by an operating system, where each processor has equal access to I/O devices.

SNMP — Simple Network Management Protocol. A standard interface that allows a network manager to remotely monitor and manage workstations.

spanning — Spanning, or concatenating, disk volumes combines unallocated space from multiple disks into one logical volume, allowing more efficient use of all the space and all drive letters on a multiple-disk system.

striping — Disk striping writes data across three or more disks in an array, but only uses a portion of the space on each disk. The amount of space used by a "stripe" is the same on each disk used. A virtual disk may use several stripes on the same set of disks in an array. See also guarding, mirroring, and RAID.

SVGA — Super video graphics array. VGA and SVGA are video standards for video adapters with greater resolution and color display capabilities than previous standards.

system board — As the main circuit board, the system board usually contains most of your system's integral components, such as the processor, RAM, controllers for peripherals, and various ROM chips.

system configuration information — Data stored in memory that tells a system what hardware is installed and how the system should be configured for operation.

system diskette — See bootable diskette.

system memory — See RAM.

System Setup program — A BIOS-based program that allows you to configure your system's hardware and customize the system's operation by setting features such as password protection. Because the System Setup program is stored in NVRAM, any settings remain in effect until you change them again.

system.ini file — A start-up file for the Windows operating system. When you start Windows, it consults the system.ini file to determine a variety of options for the Windows operating environment. Among other things, the system.ini file records which video, mouse, and keyboard drivers are installed for Windows.

TCP/IP — Transmission Control Protocol/Internet Protocol.

termination — Some devices (such as the last device at each end of a SCSI cable) must be terminated to prevent reflections and spurious signals in the cable. When such devices are connected in a series, you may need to enable or disable the termination on these devices by changing jumper or switch settings on the devices or by changing settings in the configuration software for the devices.

UNIX — Universal Internet Exchange. UNIX, the precursor to Linux, is an operating system written in the C programming language.

uplink port — A port on a network hub or switch used to connect to other hubs or switches without requiring a crossover cable.

UPS — Uninterruptible power supply. A battery-powered unit that automatically supplies power to your system in the event of an electrical failure.

USB — Universal Serial Bus. A USB connector provides a single connection point for multiple USB-compliant devices, such as mice and keyboards. USB devices can be connected and disconnected while the system is running.

utility — A program used to manage system resources—memory, disk drives, or printers, for example.

UTP — Unshielded twisted pair. A type of wiring used to connect systems in a business or home to a telephone line.

V — Volt(s).

VAC — Volt(s) alternating current.

VDC — Volt(s) direct current.

VGA — Video graphics array. VGA and SVGA are video standards for video adapters with greater resolution and color display capabilities than previous standards.

video adapter — The logical circuitry that provides (in combination with the monitor) your system's video capabilities. A video adapter may be integrated into the system board or may be an expansion card that plugs into an expansion slot.

video driver — A program that allows graphics-mode application programs and operating systems to display at a chosen resolution with the desired number of colors. Video drivers may need to match the video adapter installed in the system.

video memory — Most VGA and SVGA video adapters include memory chips in addition to your system's RAM. The amount of video memory installed primarily influences the number of colors that a program can display (with the appropriate video drivers and monitor capabilities).

video resolution — Video resolution (800 x 600, for example) is expressed as the number of pixels across by the number of pixels up and down. To display a program at a specific graphics resolution, you must install the appropriate video drivers and your monitor must support the resolution.

W— Watt(s).

WH Watt-hour(s).

win.ini file — A start-up file for the Windows operating system. When you start Windows, it consults the win.ini file to determine a variety of options for the Windows operating environment. The win.ini file also usually includes sections that contain optional settings for Windows application programs that are installed on the hard drive.

Windows 2000 — An integrated and complete Microsoft Windows operating system that does not require MS-DOS and that provides advanced operating system performance, improved ease of use, enhanced workgroup functionality, and simplified file management and browsing.

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Contents Page Accessing System Features During Startup Keystrokes for Accessing System FeaturesBack to Contents Other Information You May NeedFront-Panel Features and Indicators Indicator, Button, or Icon Description ConnectorBack-Panel Features and Indicators Hard-Drive Indicator CodesHard-Drive Indicator Patterns for RAID Condition Drive-Status Indicator PatternPower Indicator Codes NIC Indicator CodesConnecting External Devices Redundant Power Supply IndicatorsNIC Indicator Codes Indicator Indicator CodeLCD Status Messages LCD Status MessagesSee Troubleshooting System Cooling Problems Troubleshooting System Cooling ProblemsTroubleshooting the Microprocessors See Troubleshooting the MicroprocessorsSee Troubleshooting a Hard Drive Install memory. See Installing Memory ModulesSee Troubleshooting System Memory Daughter CardSolving Problems Described by LCD Status Messages System MessagesRemoving LCD Status Messages System MessagesTroubleshooting System Memory See Installing a RAC CardTroubleshooting Your System for any faulty components Troubleshooting a Hard Drive. See Using the System SetupUSB Device, or Troubleshooting a Hard Drive for See Troubleshooting a USB Device or Troubleshooting a HardCombination. See Installing a Processor See Troubleshooting the System BatteryDiagnostics Messages Alert MessagesBack to Contents Using Server Administrator Diagnostics System Diagnostics FeaturesWhen to Use the System Diagnostics Running the System DiagnosticsUsing the Custom Test Options Selecting Devices for TestingSelecting Diagnostics Options System Diagnostics Testing OptionsVisit support.dell.com Contacting DellContacting Dell Glossary Page Page System memory See RAM Back to Contents Installing System Components Front Bezel Recommended ToolsInside the System Opening and Closing the System Removing the Front BezelReplacing the Front Bezel Opening the SystemHard Drives Closing the SystemInstalling a Drive Blank Installing a Hot-Plug Hard DriveRemoving a Drive Blank Removing a Hot-Plug Hard DriveRemoving a Hard Drive From a Hard-Drive Carrier Installing a Hard Drive Into a Drive CarrierReplacing a Hard-Drive Carrier Power Supplies Removing a Power SupplyReplacing a Power Supply Removing the Power Supply BlankInstalling the Power Supply Blank Internal SD CardRemoving a System Fan Installing the SD CardSystem Fans Replacing a Cooling Fan Installing a SAS Controller Daughter CardSAS Controller Daughter Card Removing a SAS Controller Daughter Card 11. SAS Controller Daughter Card CablingRAID Battery Configuring the Boot DeviceInternal USB Memory Key Connector Installing a RAID BatteryInstalling the Optional Internal USB Memory Key Expansion CardsRemoving an Expansion Card Expansion Card Installation GuidelinesInstalling an Expansion Card Cooling Shrouds Removing the Memory Module Cooling ShroudsRemoving the Processor Cooling Shroud Installing the Processor Cooling ShroudInstalling the Memory Module Cooling Shrouds Replacing the Fan Bracket Fan BracketsRemoving the Fan Brackets Replacing Expansion-Card Riser Expansion-Card RisersRemoving Expansion-Card Riser Removing the Riser 2 Board From the Expansion-Card Bracket 18. Removing and Replacing Expansion-Card RiserRemoving the RAC Card RAC CardReplacing the Riser 2 Board on the Expansion-Card Bracket Installing a RAC Card 20. Removing and Installing a RAC CardLOM Daughter Card Removing the LOM Daughter CardInstalling the Optical Drive Optical DriveReplacing the LOM Daughter Card Removing the Optical Drive from the System22. Removing and Installing the Optical Drive Tray Removing the Optical Drive From the Optical Drive TrayInstalling an Optical Drive Into the Optical Drive Tray General Memory Module Installation GuidelinesMemory Configurations System MemoryMemory Sparing Support Installing Memory ModulesMemory Sparing Configurations 25. Installing and Removing a Memory Module Removing Memory ModulesRemoving a Processor Integrated NIC TOEProcessors Installing a Processor 26. Installing and Removing the Heat SinkSystem Battery Replacing the System BatterySideplane Board Removing the Sideplane BoardRemoving the SAS/SATA Backplane Board Installing the Sideplane BoardSAS/SATA Backplane Board Control Panel Assembly Installing the SAS/SATA Backplane BoardRemoving the Control Panel Assembly Installing the Control Panel AssemblySystem Board Removing the System BoardInstalling the System Board Replace the sideplane. See Installing the Sideplane BoardJumper Setting Description System Board JumpersSystem Board Connectors Connector DescriptionSAS/SATA Backplane Board Connectors Sideplane Board ConnectorsOpen the system. See Opening and Closing the System Disabling a Forgotten PasswordExpansion-Card Riser-Board Components and PCIe Buses Back to Contents Entering the System Setup Program System Setup OptionsResponding to Error Messages Using the System Setup ProgramSystem Setup Program Options Using the System Password and Using the Setup PasswordMemory Information Screen Memory Information ScreenCPU Information Screen CPU Information ScreenIntegrated Devices Screen Serial Communication Screen System Security ScreenIntegrated Devices Screen Options Serial Communication Screen OptionsSystem and Setup Password Features EnabledDisabled Exit ScreenUsing the System Password Assigning a System PasswordUsing the Setup Password Deleting or Changing an Existing System PasswordBaseboard Management Controller Configuration Entering the BMC Setup ModuleBMC Setup Module Options See Disabling a Forgotten PasswordSafety First-For You and Your System Troubleshooting IRQ Assignment ConflictsStart-Up Routine Checking the EquipmentTroubleshooting External Connections Troubleshooting the Video SubsystemIRQ Assignment Defaults IRQ Line AssignmentTroubleshooting the Mouse Troubleshooting Basic I/O FunctionsTroubleshooting the Keyboard Troubleshooting a Serial I/O Device Troubleshooting a USB DeviceClose the system. See Opening and Closing the System Troubleshooting a NICTroubleshooting a Wet System Troubleshooting a Damaged System Troubleshooting the System BatteryTroubleshooting Power Supplies Troubleshooting System Cooling ProblemsTroubleshooting System Memory Troubleshooting a FanTroubleshooting an SD Card or Internal USB Key Troubleshooting an Optical Drive Troubleshooting an External Tape DriveTroubleshooting a Hard Drive Remove the bezel. See Removing the Front BezelTroubleshooting a SAS Controller Daughter Card Troubleshooting Expansion Cards Troubleshooting the Microprocessors
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