Dell 745N Installing the System Board Assembly, Removing the System Board and System Board Tray

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w w w . d e l l . c o m s u p p o r t . d e l l . c o m

Figure 6-16. Removing the System Board and System Board Tray

Installing the System Board Assembly

CAUTION: See your System Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1Unpack the new system board assembly.

2Align the system board tray so that the tabs on the chassis floor slide into the notches in the system board tray.

3Slide the system board tray backward until it stops.

4Using a #2 Phillips screwdriver, tighten the captive screw that secures the system board tray to the chassis. See Figure 6-16.

5Install the power supply.

6Install the fan assembly.

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Installing System Components

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Contents Installation and Troubleshooting Guide W . d e l l . c o m s u p p o r t . d e l l . c o mAbbreviations and Acronyms Contents Troubleshooting a Serial I/O Device Safety First-For You and Your SystemTroubleshooting the Video Subsystem Troubleshooting System Cooling ProblemsInstalling System Components Memory Module Installation Guidelines Dell Enterprise Training and Certification105 Returning Items for Warranty Repair or CreditIntegrated Network Adapter Connector 115 106Contents Introduction Other Documents You May NeedIntroduction Obtaining Technical Assistance Indicators, Messages, and Codes Front-Panel Indicators and FeaturesIndicators, Messages, and Codes Front-Panel Features Hard-drive 0 status indicator Hard-drive 2 status indicatorBack-Panel Indicators and Features Front-Panel Indicator Codes LED Indicator DescriptionBack-Panel Features Serial connector Blue/amber status indicator Indicators, Messages, and CodesPage System Back-Panel LED Codes LED Indicator LED States DescriptionSystem Messages System Messages Causes Corrective ActionsTroubleshooting Your System Figure A-2 for jumper location See Getting Help GuideYour System. If the problem persists, see Integrated Drive Controller is enabled Check the Integrated DevicesFaulty hard drive Replace the hard drive. See System Beep Codes Server Module Beep Codes Cause Corrective ActionServer Module Beep Codes Cause Corrective Action Server Module Beep Codes Cause Corrective Action Diagnostics Messages Alert MessagesFinding Software Solutions Finding Software SolutionsTroubleshooting Errors and Conflicts Before You BeginApplication Conflicts Input ErrorsIRQ Assignment Defaults IRQ Line IRQ Assignment ConflictsIRQ11 Finding Software Solutions System Diagnostics Features Running the System DiagnosticsUsing Server Administrator Diagnostics Running the System DiagnosticsWhen to Use the System Diagnostics Running the System DiagnosticsSelecting Devices for Testing System Diagnostics Testing OptionsUsing the Custom Test Options Selecting Diagnostics OptionsViewing Information and Results Checking Basic Power Problems Troubleshooting Your SystemSafety First-For You and Your System External ConnectionsTroubleshooting the Video Subsystem Checking the EquipmentTroubleshooting the Keyboard Troubleshooting the MouseTroubleshooting Basic I/O Functions Troubleshooting a Serial I/O DeviceTroubleshooting a Network Adapter Troubleshooting a USB DeviceResponding to a Systems Management Software Alert Message Inside the SystemRemoving and Replacing the Bezel Installing and Removing the Bezel Release latch Opening the SystemClosing the System Troubleshooting a Wet System Troubleshooting a Damaged SystemTroubleshooting the System Battery Troubleshooting the Power Supply Troubleshooting System Cooling ProblemsTroubleshooting a Fan Troubleshooting Hard Drives Troubleshooting Expansion Cards Troubleshooting System Memory Troubleshooting the Processor Troubleshooting the System Board Troubleshooting Your System Installing System Components Installing System ComponentsSystem Board Components Removing the Cooling Shroud Drac connector System batteryCooling Shroud Processor and heat sinkReplacing the System Battery System BatteryInstalling the Cooling Shroud Cooling shroud Release latchFan Assembly Replacing the Battery Release tab Battery socketRemoving the Fan Assembly Removing the Power Distribution Board Power Distribution BoardInstalling the Fan Assembly Installing the Power Distribution BoardPower Supply Removing the Power SupplyInstalling the Power Supply P1 connector P2 connector Power supply Captive screwConnector Installing an Expansion Card Expansion CardsPCI slot Expansion cardInstalling and Removing a Remote Access Controller Riser Board Removing an Expansion CardRemoving the Riser Board Installing the Riser Board Daughter CardRemoving a Daughter Card Installing a Daughter Card Daughter card connector LED cable Hard-drive cablesSystem Memory Memory Module Installation GuidelinesSample Memory Module Configurations Total MemoryInstalling Memory Modules Removing the Control Panel Control PanelRemoving Memory Modules Socket Alignment keyInstalling System Components Installing the Control Panel 13. Control Panel RemovalRemoving the Sata Cable Kits Sata Cable KitsProcessor Replacing the ProcessorInstalling System Components 14. Installing and Removing the Securing Clip Latch Securing clips Heat sink Heat-sink posts Processor 15. Installing and Removing the Processor in the Socket Socket-release lever Pin-1 corner of socket ZIF socketRemoving the System Board Assembly System BoardInstalling System Components Installing the System Board Assembly 16. Removing the System Board and System Board TrayInstalling System Components Installing System Components Installing Drives Installing DrivesConfiguring the Boot Drive Removing a Hard DriveRemoving the Hard-Drive Carrier Release lever Installing a Hard Drive Connecting Hard Drives for RAID Software RAIDHardware RAID Internal Drives Technical Assistance Online ServicesGetting Help Getting HelpAutoTech Service Automated Order-Status ServiceTechnical Support Service Toll-free Before You CallContacting Dell 11 45150660 300-65-55-330820 240 530 02 481 92604 633 0800 9051 481 866 440818 980-9-15-397802 2186 27 01-899-753-0777 70233287 09 253 3130825 004 0825 3870825 823 04 99 75 402108129800 08004414951808844140083 210812981201 204 1850 5430870 908 0870 906Toll-free0120-198-433 81-44-556-416281-44-520-1435 81-44-556-38943420808075 512Or 512 Toll-free 0800020 674 47 001-800-882-1519020 674 45 020 674 42001-800-507-0962 67123162298 0800-50-669011 706 Toll-free 800 6011011 709 902 10020 140 14 08 590 0508 587 70 0844 81101344 373 01344 860Toll-free 1-877-Dellnet 8001-3605Getting Help Jumpers-A General Explanation Jumpers, Switches, and ConnectorsJumpers, Switches, and Connectors JumpersSystem Board Jumpers PasswdConnector Description System Board ConnectorsTable A-2. System Board Connectors CN3 FanRiser Board Connectors Table A-2. System Board Connectors DescriptionDisabling a Forgotten Password Jumpers, Switches, and Connectors Table B-1. I/O Connector Icons Icon Connector ConnectorsConnectors ConnectorsSerial Connector Serial Connector AutoconfigurationPS/2-Compatible Keyboard and Mouse Connectors Video Connector USB Connector Integrated Network Adapter ConnectorNetwork Cable Requirements Abbreviations and Acronyms Abbreviations and Acronyms 117LVD 118 Abbreviations and AcronymsNIS ROM Abbreviations and Acronyms 119120 Abbreviations and Acronyms Index Index 121See diagnostics 122 IndexIndex 123 124 Index Installing and Removing the Riser Board Network Adapter Indicators Front-Panel USB ConnectorInstalling and Removing the Bezel Installing and Removing the Securing ClipFigure A-1 Table B-2 Serial Connector Pin Assignments 112 Table B-3 Table B-1

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