Dell 2500 manual Avoiding Interrupt Assignment Conflicts, IRQ Line Used By/Available

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monitor may require a special screen driver program that expects a certain kind of video mode or monitor. In such cases, you may have to develop an alternate method of running that particular program—by creating a start-up file made especially for that program, for example. Call the support service for the software you are using to help you with this problem.

Avoiding Interrupt Assignment Conflicts

Problems can arise if two devices attempt to use the same IRQ line. To avoid this type of conflict, check the documentation for the IRQ line's default for each installed expansion card. Then consult Table 3-1 to configure the card for one of the available IRQ lines.

Table 3-1. IRQ Line Assignment Defaults

IRQ Line

Used By/Available

 

 

 

 

IRQ0

Used by the system timer

 

 

 

 

IRQ1

Used by the keyboard controller

 

 

 

 

IRQ2

Used by interrupt controller 1 to enable IRQ8 through IRQ15

 

 

 

 

IRQ3

Used by serial port 2 (COM2 and COM4)

 

 

 

 

IRQ4

Used by serial port 1 (COM1 and COM3)

 

 

 

 

IRQ5

Available unless used by a secondary parallel port

 

 

 

 

IRQ6

Used by the diskette drive controller

 

 

 

 

IRQ7

Used by the primary parallel port

 

 

 

 

IRQ8

Used by the real-time clock

 

 

 

 

IRQ9

Used for power management functions

 

 

 

 

IRQ10

Available

 

 

 

 

IRQ11

Available

 

 

 

 

IRQ12

Used by the PS/2 mouse port unless the mouse is disabled in the System Setup program

 

 

 

 

IRQ13

Used by the math coprocessor

 

 

 

 

IRQ14

IDE CD-ROM controller

 

 

 

 

IRQ15

Embedded server management

 

 

 

 

NOTE: For the full name of an abbreviation or acronym used in this table, see the abbreviations and acronyms list at the end of this guide.

 

 

 

 

 

 

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Contents Initial release January Jumpers-A General Explanation Jumpers and ConnectorsSystem Board Jumpers JumpersJumper Setting Description System Board ConnectorsScsi Backplane Board Connectors Disabling a Forgotten Password Interposer Board ConnectorsBack to Contents Abbreviations and Acronyms Celsius Adjusted decibels Direct currentCold cathode fluorescent tube Compact disc Compact disc read-only memoryDynamic random-access memory Direct memory accessError checking and correction Expanded Memory SpecificationEnhanced small-device interface Electrostatic dischargeEmbedded server management Fahrenheit File allocation tableIntegrated drive electronics IdentificationInterrupt request Industry-Standard ArchitectureLow voltage differential Meters Milliamperes Master boot recordMilliampere-hours Megabytes Megabits Megabits per secondPower-on self-test Nonvolatile random-access memoryPower-supply distribution board Nickel-metal hydrideRandom-access memory digital-to-analog converter Random-access memoryResource Configuration Utility Synchronous dynamic random-access memorySystem setup utility Static random-access memoryUninterruptible power supply Universal Service Ordering Code VoltsWatt-hours EXtended Memory SpecificationExtended memory manager Zero insertion forceIntroduction Safety, Regulatory, and Warranty InformationOther Documents You May Need Getting HelpBack to Contents Front-Panel Indicators and Features Indicators, Messages, and CodesBezel Indicators Scsi Hard-Disk Drive Indicator Codes Back-Panel FeaturesCondition Indicator Code Redundant Power Supply FeaturesAll three drive status indicators are off Drive failedMessage Cause Corrective Action Indicator Indicator CodeSystem Messages Diskette drive From a bootable diskette Nvramclr jumper is Nonbootable diskette is preventing the system from bootingInstalled Using the System Setup Program, in the Users Guide forKeyboard cable connector loose or FaultyFaulty application Restart the application Faulty diskette, diskette/CD-ROMTroubleshooting Your System Faulty diskette or hard-disk driveDefective battery or faulty chip Incorrect Time or Date settings orCode Cause Corrective Action System Beep CodesAlert Log Messages From the Dell OpenManage Server Agent Diagnostics MessagesPage Using Software Finding Software SolutionsInstalling and Configuring Software IRQ Line Used By/Available Avoiding Interrupt Assignment ConflictsFeatures of the Dell Diagnostics Running the Dell DiagnosticsWhen to Use the Dell Diagnostics Starting the Dell DiagnosticsHow to Use the Device Groups Menu How to Use the Dell DiagnosticsDevice Groups Menu Options Run TestsSelect Error MessagesConfig Safety First-For You and Your System Troubleshooting Your SystemChecking Specific System Problems External ConnectionsSystem Orientation Start-Up RoutineRemoving and Replacing the Front Bezel Look/Listen for ActionRemoving the Front Bezel Removing and Replacing the System CoverReplacing the Front Bezel Removing the System CoverTroubleshooting the Keyboard Troubleshooting the Video SubsystemChecking the Equipment Replacing the System CoverDevice connected to one of the serial ports is not working Troubleshooting the Basic I/O FunctionsTroubleshooting a Serial I/O Device Troubleshooting a USB Device Troubleshooting a Parallel PrinterTroubleshooting the Integrated NIC Parallel printer is not workingNIC cannot communicate with net Inside the SystemTroubleshooting a Damaged System Troubleshooting a Wet SystemResponding to a Dell OpenManage Server Agent Alert Message Liquid spills Splashes Excessive humidityTroubleshooting a Cooling Fan Troubleshooting the System BatteryTroubleshooting Redundant Power Supplies Removing a Cooling Fan Troubleshooting Expansion CardsFaulty memory module Faulty system board Troubleshooting System MemoryTroubleshooting the System Board Troubleshooting the Video SubsystemTroubleshooting the Diskette Drive Error message indicating a system board problemTroubleshooting an External Scsi Tape Drive Troubleshooting a CD-ROM Drive¡ Hard drive failure indicator on the control panel lights Troubleshooting Hard-Disk DrivesTroubleshooting a RAID Controller Card Troubleshooting an Integrated RAID ControllerBack to Contents Connector or Socket Description Installing System Board OptionsRAID battery connector System battery connectorRemoving and Replacing Fan Assemblies Removing the Front Fan AssemblyReplacing the Front Fan Assembly Removing and Replacing Individual Fans Removing the Back Fan AssemblyReplacing the Back Fan Assembly Expansion Cards Installing an Expansion CardRemoving the Cooling Shroud Removing and Installing the Cooling ShroudRemoving an Expansion Card Installing the Cooling Shroud Removing and Installing a Power SupplyAdding Memory Memory Upgrade KitsMemory Module Installation Guidelines 128 MB 64 MB None 256 MB 512 MB Performing a Memory UpgradeTotal Desired Memory Removing Memory Modules Installing Memory ModulesAdding or Replacing a Microprocessor Microprocessor UpgradesUnpack the new microprocessor Maintain proper thermal conditions14. Pin-1 Identification 17. Installing the VRM Activating the Integrated RAID Controller 18. Installing the RAID Controller Memory ModuleRemoving the RAID Battery Installing the RAID BatteryReplacing the System Battery 21. Installing the Battery Removing the Peripheral Bay Installing DrivesInstalling the Peripheral Bay Interface Cables Scsi Configuration InformationScsi ID Numbers Device TerminationInstalling a Tape Drive That Uses a Controller Card Installing Scsi Hard-Disk Drives Connecting an External Scsi Tape DriveInstalling the Tape Drive Before You BeginRemoving a Scsi Hard-Disk Drive Installing a Scsi Hard-Disk DriveInstalling a Scsi Backplane Daughter Card Installing a Dell Host Adapter CardInstalling a Scsi Backplane Board Daughter Card Configuring the Boot DeviceHelp Overview Getting HelpTechnical Assistance Help ToolsAutoTech Service Problems With Your OrderBefore You Call Dell Contact NumbersAustria Vienna Country Code City Code Australia SydneyWebsite http//support.euro.dell.com Belgium BrusselsChina Xiamen Chile SantiagoDenmark Horsholm 009Hong Kong Germany LangenIreland Cherrywood Italy Milan Home and Small BusinessLatin America Website http//support.jp.dell.com Korea SeoulLuxembourg MacauNorway Lysaker New ZealandPoland Warsaw PortugalSwitzerland Geneva Sweden Upplands VasbyTaiwan ThailandBack to Contents Back to Contents Figures Tables

2500 specifications

The Dell 2500 is a remarkable embodiment of innovation in the world of computing. Renowned for its robust performance and versatility, the Dell 2500 caters to a wide array of users, from businesses to educational institutions, and even casual home users. Equipped with cutting-edge features and technologies, it stands out in the competitive market of laptops and desktops.

At the core of the Dell 2500 is its powerful processor options. Users can choose from various Intel Core i5 and i7 configurations, ensuring that they have the computing power required for demanding applications, multitasking, and intensive workloads. The speed and reliability of these processors are complemented by ample RAM, which ranges between 8GB and 16GB, optimizing performance during intense usage scenarios such as gaming, video editing, or data analysis.

One of the key characteristics of the Dell 2500 is its stunning display. Featuring a Full HD (1920 x 1080) resolution, the laptop or desktop’s screen delivers vivid colors and sharp images. This visual clarity is further enhanced by LED backlighting, which not only brightens the display but also improves energy efficiency, making the device suitable for both work and entertainment.

Another noteworthy aspect of the Dell 2500 is its storage solutions. Equipped with high-speed SSDs, users enjoy quick boot times, faster data access, and improved overall system responsiveness. The Dell 2500 offers different storage capacities, allowing users to choose a configuration that meets their needs without sacrificing performance.

In terms of connectivity, the Dell 2500 features a wide array of ports, including USB Type-C, USB 3.0, HDMI, and Ethernet, ensuring that users can connect to versatile peripherals and networks seamlessly. Additionally, the laptop offers Wi-Fi 6 capabilities, providing lightning-fast wireless connectivity, which is crucial for users who rely on cloud-based applications and streaming services.

Security features on the Dell 2500 include biometric options such as a fingerprint reader, alongside traditional password protection to safeguard user data. With diverse customization options, users can tailor the device to their specific use cases, ensuring a personalized experience.

In summary, the Dell 2500 combines powerful performance, stunning visuals, ample storage, extensive connectivity options, and robust security measures to cater to a diverse range of users. Its thoughtful design and innovative technologies make it a top contender in today’s computing landscape, ensuring that it meets the demands of modern work and play.
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