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Dell T3400 Removing the Front Panel, DC Power Connector P15 525-W PSU Only, +12 Vcdc Blue/White

Models: T3400

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Page 154

DC Power Connector P15 (525-W PSU Only)

Pin Number Signal Name		18-AWG Wire

1	+12 VCDC	Blue/White
2	+12 VCDC	Blue/White
3	+12 VCDC	Blue/White
4	COM	Black
5	COM	Black
6	COM	Black

Removing the Front Panel

CAUTION: Before you begin any of the procedures in this section, follow the safety instructions in the Product Information Guide.

1Follow the procedures in "Before You Begin" on page 143.

2Remove the computer cover (see "Removing the Computer Cover" on page 145).

154

Adding and Replacing Parts

Image 154

Dell T3400 manual Removing the Front Panel, DC Power Connector P15 525-W PSU Only, +12 Vcdc Blue/White

Contents

Dell Precision Workstation T3400 User’s Guide W . d e l l . c o m s u p p o r t . d e l l . c o mJuly NT499 Contents Microsoft Windows Vista Contents Switching From Tower to DesktopSwitching From Desktop to Tower Changing Between Tower and DesktopSmart Cards and Fingerprint Readers Uninterruptible Power SuppliesComputer, Keyboard, and Monitor When to Use the Dell Diagnostics 108 Contents Changing Boot Sequence for Future BootsDiagnostic Light Codes During Post 100 100113 Starting the Dell Diagnostics From YourDell Diagnostics Main Menu 114131 143149 Removing a Memory Module 160 Installing a Memory ModuleGeneral Installation Guidelines 189 154Installing an Additional Fan Installing an Optional Third Hard DriveInstalling an Optional Fourth Hard Drive Installing a Drive-Panel Insert243 Technical Support and Customer Service 264Automated Order-Status Service 265 Contents 245Macrovision Product Notice Contents Contents Finding Information What Are You Looking For? Find It HereSystem Guides SpecificationsHow to configure system settings Click the User’s Guide for yourEnter the Express Service Code to Use the Service Tag to identify yourComputer when you use Direct your call when contactingConfiguration Utilities → Desktop Appropriate for your configurationProviding critical updates for your Tips, articles from technicians, onlineWhat Are You Looking For? Find It Here How to use Windows XP How to use Windows Vista Click Start→ Help and SupportWhat Are You Looking For? Find It Here How to use Linux Dell Supported Linux SitesFront View Tower Orientation About Your ComputerAbout Your Computer Such as printers and keyboards Perform an operating system shutdownSteady green The computer is in a normal Blinking green The computer is in a powerMechanical OFF Operating stateBack View Tower Orientation PSU onlyFront View Desktop Orientation CardPower button Press to turn on the computer Blinking green The computer is in a power Back View Desktop Orientation Other cardsBack Panel Connectors Connector VCRProcessor SpecificationsSystem Information Orange a good connection exists Green a good connection existsBetween a 10-Mbps network Between a 100-Mbps networkNon-ECC memory ConnectorsMemory Registered or buffered memoryPower supply may result in your Serial connectorChassis intrusion switch Card for power requirementsControls and Lights Weight PowerUpon the power supply wattage rating Supported monitor weightMaximum shock About Your Computer LegacySelect Technology Control Advanced FeaturesAdvanced Features ManageabilityPower Management Dell OpenManage Client InstrumentationAuto power on Sleep Mode Wake-Up MethodsPress the power button Power management eventAdvanced Features Using RAID with Hard Drive Passwords About RAID ConfigurationsAbout RAID Configurations RAID Level Segment Hard driveHard drive RAID Level 10 1+0 Configuring Your Computer for RAID Setting Your Computer to RAID-Enabled Mode About RAID Configurations About RAID Configurations About RAID Configurations Page About RAID Configurations About RAID Configurations About RAID Configurations Migrating to a RAID Level 0 Configuration Migrating to a RAID Level 1 Configuration Migrating to a RAID Level 5 ConfigurationMigrating to a RAID Level 10 Configuration Creating a Spare Hard Drive Rebuilding a Degraded RAID Level 1 Configuration Setting Up Your Computer Setting Up Your ComputerSwitching From Tower to Desktop Orientation Changing Between Tower and Desktop OrientationsInstalling Your Computer in an Enclosure Switching From Desktop to Tower OrientationSetting Up Your Computer Setting Up Your Computer Transferring Information to a New Computer Microsoft Windows XPP Y D a T a F R O M T H E S O U R C E C O M P U T E R E a T E a W I Z a R D D I S K Power Protection Devices Microsoft Windows VistaSurge Protectors Uninterruptible Power SuppliesLine Conditioners Setting Up Your Computer Security Cable Lock Securing Your ComputerChassis Intrusion Detection Securing Your ComputerPasswords Smart Cards and Fingerprint ReadersAbout Passwords Using a Primary System Password Using an Administrator PasswordUsing a Hard Drive Password Trusted Platform Module TPM Turning On and Activating TPMSecurity Management Software Computer Tracking SoftwareIf Your Computer Is Lost or Stolen Computer, Keyboard, and Monitor Cleaning Your ComputerCleaning Your Computer Mouse Non-OpticalFloppy Drive CDs and DVDsSystem Setup Screens System SetupEntering System Setup System SetupProcessor Info System Setup OptionsSystem System Info Hyper-Threading, and supports 64-bit technologyMemory Info Channel mode dual or single, and type by Dimm slotBoot Sequence on LocationStorage devices regardless of the No Boot setting Boot from the next device listed in the boot sequenceWill not recognize USB storage devices COM1 The port is configured at 3F8h with IRQ 378h default 278h 3BCh Serial Port #1Resources are in use, the port is disabled COM3 The port is configured at 3E8h with IRQVideo Primary Video Off Virtualization Technology is disabledOn Virtualization Technology is enabled Virtualization TechnologyLocked a valid administrator password is required to Password Drive Not Set defaultDefault Modify or delete the system passwordIntrusions during Post Off The intrusion detection feature is disabledActivate Enables and activates TPM security Does not display any detected intrusions during PostTime set in Auto Power Time Power is restoredOff default Computer on Off Do not use the Auto Power Time Using a power strip or surge protectorMode, Hibernate mode, or when turned off Low Power ModeSystem will boot from the network Or type the numbers in the appropriate time fieldEnables or disables the numerical and mathematical features Boot Sequence Post HotkeysChanging Boot Sequence for the Current Boot Changing Boot Sequence for Future Boots Clearing Passwords Clearing Passwords and Cmos SettingsClearing Passwords and Cmos Settings Clearing Cmos Settings Flashing the Bios Clearing Passwords and Cmos Settings Power Lights Troubleshooting ToolsTroubleshooting Tools 100 Diagnostic LightsDiagnostic Light Codes During Post Light Pattern101 102 Card failure has 103Determine if a conflict exists by Occurred Graphics card and restartingBeep Codes 104Code Description System Messages105 Repetitive Short beeps106 Hardware Troubleshooter Dell Diagnostics107 When to Use the Dell Diagnostics Starting the Dell Diagnostics From Your Hard Drive109 Dell Diagnostics Main Menu 110111 112 Drive Problems TroubleshootingBattery Problems TroubleshootingProblems writing to an optical drive Optical drive problems114 Hard drive problems Mail, Modem, and Internet Problems115 116 117 Error MessagesDo not use these characters in filenames 118 Ieee 1394 Device ProblemsKeyboard Problems Contact the Ieee 1394 device manufacturerComputer stops responding Lockups and Software ProblemsComputer does not start up Program stops respondingSolid blue screen appears Other software problemsProgram is designed for an earlier Windows operating system 120Mouse Problems Memory Problems121 Network Problems 122Power Problems 123Printer Problems 124No sound from speakers Scanner ProblemsSound and Speaker Problems 125No sound from headphones Video and Monitor Problems126 Screen is difficult to read Screen is blank127 128 Only part of the screen is readable 3D image quality is poor129 130 Reinstalling Software Reinstalling SoftwareWhat Is a Driver? DriversReinstalling Drivers and Utilities Using Windows Device Driver RollbackSave and close any open files, and exit any open programs Using the Drivers and Utilities Disc133 Reinstalling Software 135 Starting System Restore Windows XP 136 Using Microsoft Windows System RestoreRestoring Your Operating System 137 Windows XP Dell PC Restore Using Dell PC Restore and Dell Factory Image RestoreEnabling System Restore Turn on the computer 138139 140 Before you Begin Using the Operating System MediaReinstalling Windows XP or Windows Vista 141Save and close any open files and exit any open programs Recommended Tools Adding and Replacing PartsBefore You Begin Turning Off Your ComputerBefore Working Inside Your Computer Removing the Computer Cover 145Cover release latch Inside View of Your Computer146 Cover hingesPower supply System board Secondary hard drive bay 147System Board Components Power connector Memory module Battery socket148 Power Supply DC Connector Pin Assignments 149DC Power Connector P1 150DC Power Connectors P3 and P5 DC Power Connector P2151 Pin Number Signal name AWG Wire +5 VDC Red DC Power Connector P7DC Power Connectors P8, P9, P13, and P14 152Pin Number Signal Name DC Power Connector P10DC Power Connector P12 153Removing the Front Panel DC Power Connector P15 525-W PSU Only+12 Vcdc Blue/White Removing the Chassis Intrusion Switch Chassis Intrusion Switch155 Replacing the Chassis Intrusion Switch Memory Overview Resetting the Chassis Intrusion DetectorMemory 157158 Addressing Memory With 4-GB Configurations 159Memory module Securing clips Memory module connector Installing a Memory ModuleRemoving a Memory Module 161 DIMM1 Memory module connectorNotch Crossbar Adding and Replacing Parts CutoutsCards 162PCI Cards 163Release tabs Release tab 165Card retention door Adding and Replacing Parts 167 Release tab 169 Card retention cover 171 ScrewsAlignment guide Filler bracket 173 Release tab PCI Express Cards 175Card retention cover Card retention door Adding and Replacing Parts 177Alignment bar 179 Alignment bar Alignment guide Filler bracket 181 Adding and Replacing Parts 183 Alignment bar Drives Tower Computer Drive Configurations185 Additional Sata hard drive 186Media Card Reader 187 Desktop Computer Drive ConfigurationsReader Removing and Replacing the Metal Shield Lower Drive Bays About Metal Shields Present in Some Drive Configurations188 Power cable General Installation GuidelinesPower Cable Connectors 189190 Sata Data Cable ConnectorsSAS Data Cable Connectors Sata data cableDrive Cable Colors Hard DriveRemoving a Hard Drive Tower or Desktop Computer Disconnect the serial ATA cable from the hard driveBay 193 Card Hard drive in secondary hardBlue tabs Hard drive in primary hard drive bayConnect one end of the serial ATA cable to the hard drive 195To install a SAS hard drive Removing an Optional Third Hard Drive Tower Computer 197Power cable Serial ATA cable Sata connector If you are removing a SAS driveInstalling an Optional Third Hard Drive Tower Computer 199200 201 Removing an Optional Fourth Sata Hard Drive Tower ComputerSliding-plate lever Installing an Optional Fourth Hard Drive Tower Computer Removing an Optional Third Hard Drive Desktop Computer 203Optional serial ATA hard drive in lower 5.25-inch drive bay 205 Installing an Optional Third Hard Drive Desktop Computer 207 Hard-drive holderOptional third hard drive is 209 Power cable Power supply Serial ATA cableOptional serial ATA hard drive desktop illustrated Installing an Additional Fan 211 Fan slots Fan release tab Fan cableDrive Panel 212213 Removing the Drive Panel Tower ComputerDrive release latch 214 Replacing the Drive Panel Tower ComputerDrive panel tabs Removing the Drive Panel Desktop Computer 215Replacing the Drive Panel Desktop Computer 217 Drive panel Drive-panel insert Drive-panel insert release Installing a Drive-Panel InsertRemoving a Drive-Panel Insert TabsFloppy Drive or Media Card Reader 219Removing a Floppy Drive or Media Card Reader Tower Computer If you are removing a floppy driveFloppy drive connector Floppy Adding and Replacing Parts 221Attach the screws to the new drive 222 223 If you are installing a floppy drive Drive-conversion latch Power cable Floppy drive cable 225Adding and Replacing Parts Floppy drive connector Floppy 227Drive retention insert 229 Power cable Removing an Optical Drive Tower Computer Optical Drive231 CD/DVD drive cable Installing an Optical Drive Tower Computer 233Adding and Replacing Parts 235 CD/DVD-drive cableRemoving an Optical Drive Desktop Computer 236Installing an Optical Drive Desktop Computer 237Adding and Replacing Parts 239 Installing the Optional Speaker 241 Speaker optionalSpeaker optional Removing the Processor Processor243 Heat-sink assembly 244245 Replacing the ProcessorProcessor cover Socket Processor cover Tab 246Center cover latch Release lever Front alignment notch Indicator247 Rear alignment notchCaptive screw housing Battery248 Removing the Battery About the Battery249 System battery Battery socket tab 250Panel Replacing the Battery251 Removing the I/O Panel Headphone connector Microphone connectorPanel Components USB portHeat-sink assembly Captive screw housing 253Fan release lever 255 Replacing the I/O PanelPanel Power Supply Removing the Power SupplyPower supply screws Replacing the Power Supply257 System Board Removing the System BoardRemove the system board screws 259Replacing the System Board Replacing the Front Panel 261Replacing the Computer Cover 263 Getting HelpObtaining Assistance Getting HelpTechnical Support and Customer Service DellConnect Online ServicesAutomated Order-Status Service Problems With Your OrderAutoTech Service 265Getting Help Before You Call 267268 Contacting Dell 269270 FCC Class B AppendixFCC Notice U.S. Only 271Macrovision Product Notice 272Glossary 273274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290