IRQ11 | Dell 745N guide

Table 3-1. IRQ Assignment Defaults (continued)

IRQ Line	Assignment

IRQ11	Available
IRQ12	PS/2 mouse port unless the mouse is disabled through the System Setup program
IRQ13	Math coprocessor
IRQ14	Reserved for IDE devices
IRQ15	Integrated drive controller for the SATA ports

Finding Software Solutions

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Dell 745N manual IRQ11

Contents

W . d e l l . c o m s u p p o r t . d e l l . c o m Installation and Troubleshooting Guide Abbreviations and Acronyms Contents Troubleshooting the Video Subsystem Safety First-For You and Your SystemTroubleshooting a Serial I/O Device Troubleshooting System Cooling Problems Installing System Components Dell Enterprise Training and Certification Memory Module Installation Guidelines Integrated Network Adapter Connector 115 Returning Items for Warranty Repair or Credit105 106 Contents Introduction IntroductionOther Documents You May Need Obtaining Technical Assistance Indicators, Messages, and Codes Indicators, Messages, and CodesFront-Panel Indicators and Features Hard-drive 2 status indicator Front-Panel Features Hard-drive 0 status indicator Front-Panel Indicator Codes LED Indicator Description Back-Panel Indicators and Features Blue/amber status indicator Indicators, Messages, and Codes Back-Panel Features Serial connectorPage System Messages Back-Panel LED Codes LED Indicator LED States DescriptionSystem System Messages Causes Corrective Actions Troubleshooting Your System Figure A-2 for jumper location Guide See Getting Help Your System. If the problem persists, see Check the Integrated Devices Integrated Drive Controller is enabled Faulty hard drive Replace the hard drive. See Server Module Beep Codes Cause Corrective Action System Beep Codes Server Module Beep Codes Cause Corrective Action Server Module Beep Codes Cause Corrective Action Alert Messages Diagnostics Messages Troubleshooting Errors and Conflicts Finding Software SolutionsFinding Software Solutions Before You Begin IRQ Assignment Defaults IRQ Line Input ErrorsApplication Conflicts IRQ Assignment Conflicts IRQ11 Finding Software Solutions Using Server Administrator Diagnostics Running the System DiagnosticsSystem Diagnostics Features Running the System Diagnostics Running the System Diagnostics When to Use the System Diagnostics Using the Custom Test Options System Diagnostics Testing OptionsSelecting Devices for Testing Selecting Diagnostics Options Viewing Information and Results Safety First-For You and Your System Troubleshooting Your SystemChecking Basic Power Problems External Connections Checking the Equipment Troubleshooting the Video Subsystem Troubleshooting the Mouse Troubleshooting the Keyboard Troubleshooting a Serial I/O Device Troubleshooting Basic I/O Functions Troubleshooting a USB Device Troubleshooting a Network Adapter Inside the System Responding to a Systems Management Software Alert Message Removing and Replacing the Bezel Opening the System Installing and Removing the Bezel Release latch Closing the System Troubleshooting a Damaged System Troubleshooting a Wet System Troubleshooting the System Battery Troubleshooting a Fan Troubleshooting the Power SupplyTroubleshooting System Cooling Problems Troubleshooting Hard Drives Troubleshooting Expansion Cards Troubleshooting System Memory Troubleshooting the Processor Troubleshooting the System Board Troubleshooting Your System System Board Components Installing System ComponentsInstalling System Components Cooling Shroud Drac connector System batteryRemoving the Cooling Shroud Processor and heat sink Installing the Cooling Shroud System BatteryReplacing the System Battery Cooling shroud Release latch Replacing the Battery Release tab Battery socket Fan Assembly Removing the Fan Assembly Installing the Fan Assembly Power Distribution BoardRemoving the Power Distribution Board Installing the Power Distribution Board Removing the Power Supply Power Supply Connector Installing the Power SupplyP1 connector P2 connector Power supply Captive screw Expansion Cards Installing an Expansion Card Expansion card PCI slot Installing and Removing a Remote Access Controller Removing the Riser Board Riser BoardRemoving an Expansion Card Removing a Daughter Card Installing the Riser BoardDaughter Card Daughter card connector LED cable Hard-drive cables Installing a Daughter Card Sample Memory Module Configurations Total Memory Module Installation GuidelinesSystem Memory Memory Installing Memory Modules Removing Memory Modules Control PanelRemoving the Control Panel Socket Alignment key Installing System Components 13. Control Panel Removal Installing the Control Panel Processor Sata Cable KitsRemoving the Sata Cable Kits Replacing the Processor Installing System Components Securing clips Heat sink Heat-sink posts Processor 14. Installing and Removing the Securing Clip Latch Socket-release lever Pin-1 corner of socket ZIF socket 15. Installing and Removing the Processor in the Socket System Board Removing the System Board Assembly Installing System Components 16. Removing the System Board and System Board Tray Installing the System Board Assembly Installing System Components Installing System Components Configuring the Boot Drive Installing DrivesInstalling Drives Removing a Hard Drive Removing the Hard-Drive Carrier Release lever Installing a Hard Drive Hardware RAID Internal Drives Connecting Hard Drives for RAIDSoftware RAID Getting Help Online ServicesTechnical Assistance Getting Help Automated Order-Status Service AutoTech Service Technical Support Service Contacting Dell Before You CallToll-free 11 4515 0820 240 530 300-65-55-330660 02 481 92 51 481 0800 90604 633 866 440 02 2186 27 818980-9-15-3978 3287 702301-899-753-0777 09 253 313 0825 823 0825 3870825 004 04 99 75 40 08844140083 0800441495182108129800 2108129812 0870 908 1850 54301 204 0870 906 81-44-520-1435 81-44-556-4162Toll-free0120-198-433 81-44-556-3894 Or 512 5123420808075 Toll-free 0800 020 674 45 001-800-882-1519020 674 47 020 674 42 23162298 671001-800-507-0962 0800-50-669 011 709 Toll-free 800 6011011 706 902 100 08 587 70 08 590 0520 140 14 0844 811 01344 860 01344 373 8001-3605 Toll-free 1-877-Dellnet Getting Help Jumpers, Switches, and Connectors Jumpers, Switches, and ConnectorsJumpers-A General Explanation Jumpers Passwd System Board Jumpers Table A-2. System Board Connectors System Board ConnectorsConnector Description CN3 Fan Table A-2. System Board Connectors Description Riser Board Connectors Disabling a Forgotten Password Jumpers, Switches, and Connectors Connectors ConnectorsTable B-1. I/O Connector Icons Icon Connector Connectors Serial Connector Autoconfiguration Serial Connector PS/2-Compatible Keyboard and Mouse Connectors Video Connector Integrated Network Adapter Connector USB Connector Network Cable Requirements Abbreviations and Acronyms 117 Abbreviations and Acronyms 118 Abbreviations and Acronyms LVD Abbreviations and Acronyms 119 NIS ROM 120 Abbreviations and Acronyms Index 121 Index 122 Index See diagnostics Index 123 124 Index Installing and Removing the Bezel Network Adapter Indicators Front-Panel USB ConnectorInstalling and Removing the Riser Board Installing and Removing the Securing Clip Figure A-1 Table B-1 Table B-2 Serial Connector Pin Assignments 112 Table B-3