Dell 2950 Control Panel Assembly Service-only Procedure, Removing the Control Panel Assembly, 105

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7Reinstall the SAS controller daughter card. See "Installing a SAS Controller Daughter Card" on page 70.

8Reattach the SAS controller daughter card cables and the control panel cable. See "SAS and SAS RAID Controller Daughter Card Cabling Guidelines" on page 72.

9Reinstall the hard drives. See "Installing a Hot-Plug Hard Drive" on page 57.

NOTE: Reinstall the hard drives in the same drive bays from which they were removed.

10If applicable, reconnect the internal tape drive. See "Removing and Installing an Internal SCSI Tape Drive" on page 86.

11If applicable, reconnect the diskette drive. See "Installing the Diskette Drive Into the System" on page 84.

12If applicable, reconnect the optical drive. See "Installing the Optical Drive" on page 82.

13Close the system. See "Closing the System" on page 55.

Control Panel Assembly (Service-only Procedure)

NOTE: The control panel assembly consists of two separate modules—the display module and the control panel circuit board. Use the following instructions to remove and install either module.

Removing the Control Panel Assembly

CAUTION: Only trained service technicians are authorized to remove the system cover and access any of the components inside the system. See your Product Information Guide for complete information about safety precautions, working inside the computer, and protecting against electrostatic discharge.

1If applicable, remove the bezel. See "Removing the Front Bezel" on page 53.

2Turn off the system and attached peripherals, and disconnect the system from the electrical outlet and peripherals.

3Open the system. See "Opening the System" on page 54.

4Disconnect the control panel cable at back of the control panel board. See Figure 3-35.

NOTICE: Do not pull on the cable to unseat the connector. Doing so can damage the cable.

aSqueeze the metal tabs on the ends of the cable connector.

bGently work the connector out of the socket.

5Disconnect the display module cable from the control panel board. See Figure 3-35.

6Remove the three screws that secure the control panel board to the system chassis and remove the board. See Figure 3-35.

7Remove the display module:

a Insert the end of paper clip into the hole on the right side of the display module and gently pry off the label.

Installing System Components

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Contents W . d e l l . c o m s u p p o r t . d e l l . c o m Dell PowerEdge 2950 SystemsJanuary Contents Baseboard Management Controller Configuration Installing a SAS Controller Daughter Card Expansion Card Installation GuidelinesRemoving a SAS Controller Daughter Card Removing the Left Expansion-Card Riser Board General Memory Module Installation Guidelines100 101Troubleshooting an External Scsi Tape Drive 123 Troubleshooting System Cooling Problems 119111 112Returning Items for Warranty Repair or Credit 149 Contents Using Server Administrator Diagnostics 131132 133152 150Contents About Your System Other Information You May NeedAccessing System Features During Startup Front-Panel Features and Indicators Whether the system has been powered on LCD lights amber when the system needsUSB connectors MessagesAmber About Your System Hard-Drive Indicator CodesAbout Your System Connecting External Devices Back-Panel Features and IndicatorsRedundant Power Supply Indicators Power Indicator CodesIndicator Function Green indicates that the power supply is operationalLCD Status Messages NIC Indicator CodesSupport E1114 Temp Ambient E1000 FAILSAFE, CallE1116 Temp Memory E12nn Xx PwrGdE1414 CPU # Thermtrip E1410E1418 CPU # Presence E141C CPU MismatchE1610 PS # Missing E1422 CPU Machine ChkE1614 PS # Status E1618 PS # PredictiveE1711 E1810 HDD ## FaultPCI Perr Slot # E1712E2011 Mem Config Err E1A11 PCI Rsr ConfigE2013 Shadow Bios Fail E1811 HDD ## Rbld AbrtE2018 Prog Timer E2017 Timer FailE2019 Parity Error E201F Drac ConfigCrd # Dimm ## E2111 SBE Log DisableE2112 Mem Spare Crd # E2113 Mem Mirror Crd #Solving Problems Described by LCD Status Messages Removing LCD Status MessagesI1912 SEL Full System Messages Diskette drive n seek Diskette subsystem resetFailure Diskette read failureConfiguration. DIMMs must Error Incorrect memoryBe installed in pairs Error Remote AccessNo boot sector on hard drive No boot device availableNo timer tick interrupt Northbound merge errorError Slot n Error EmbeddedActual Link Width is n PCIe Training Error Slot n PCI Bios failed to installPlease run Setup program Seek errorROM bad checksum = address Sector not foundUpdate loaded for Timer chip counterWrite fault Write Fault on selectedAlert Messages Diagnostics MessagesAbout Your System Entering the System Setup Program Responding to Error MessagesUsing the System Setup Program System Setup Options Using the System Setup ProgramMain Screen Including size, type, and speed CPU InformationLogical Processor option. See Table Using the Setup Password on System Setup Program Options Description Boot SequenceVirtual CD-ROM may be present From external devicesCPU Information Screen Integrated Devices Screen System Security Screen Serial Communication ScreenExit Screen Using the System Password System and Setup Password FeaturesUsing the System Setup Program Deleting or Changing an Existing System Password Using the Setup PasswordDisabling a Forgotten Password Baseboard Management Controller ConfigurationSee Disabling a Forgotten Password on BMC Setup Module Options Entering the BMC Setup ModuleUsing the System Setup Program Recommended Tools Installing System ComponentsSideplane Inside the SystemHot-pluggable fans Control panelHard Drive and Media Bay Configurations Front BezelRemoving the Front Bezel Opening and Closing the System Replacing the Front BezelOpening the System Closing the System Hard DrivesRemoving a Drive Blank Before You BeginInstalling a Drive Blank Installing a Hot-Plug Hard DriveRemoving a Hot-Plug Hard Drive Removing a Hard Drive From a Hard-Drive Carrier Replacing a Hard-Drive CarrierScrews SATAu drive carrier Installing a SAS Hard Drive Into a SATAu Drive CarrierInstalling a Sata Hard Drive Into a Sata Drive Carrier Installing System Components Sata hard-drive Hole labels Power SuppliesPull the power supply straight out to clear the chassis Removing a Power SupplyRemoving the Power Supply Blank Replacing a Power SupplySystem Fans Installing the Power Supply BlankRemoving a System Fan System includes four hot-pluggable cooling fansReplacing a Cooling Fan Cooling ShroudInstalling the Cooling Shroud Removing the Cooling ShroudShroud hinges Fan bracket Removing the Fan Bracket Fan BracketsFan bracket slot in power Tabs Supply cage SAS Controller Daughter CardReplacing the Fan Bracket Installing a SAS Controller Daughter Card 12. Installing a SAS Controller Daughter Card Card SAS backplane a Inch x6 backplane BackplaneCard Inch x4 backplaneSAS backplane B RAID Battery Installing a RAID BatteryRemoving a SAS Controller Daughter Card SAS RAID controller daughter card battery Removing a RAID BatteryExpansion Card Installation Guidelines Configuring the Boot DeviceInstalling an Expansion Card Expansion CardsExpansion card Expansion-Card Cage Removing an Expansion CardRemoving the Expansion-Card Cage Lift the cage straight up to clear the chassis. See Figure Replacing the Expansion-Card CageInstalling a RAC Card Removing the Optical Drive Optical DriveOptical drive Installing the Optical DriveRemoving the Diskette Drive From the System Diskette DriveInstalling the Diskette Drive Into the System Installing the Diskette Drive Into the Drive Carrier Removing the Diskette Drive From the Drive CarrierDiskette drive release tabs Scsi Tape Drive Removing and Installing an Internal Scsi Tape DriveTape drive Release latch System Memory General Memory Module Installation GuidelinesInstalling Memory Modules Non-Optimal Memory ConfigurationsMemory Sparing Support Memory Mirroring SupportInstalling System Components Removing Memory Modules Activating the Integrated NIC TOE ProcessorsRemoving a Processor 28. Installing and Removing the Heat Sink Heat sink Processor shield ZIF socket Socket key Installing a ProcessorSystem Battery Replacing the System BatterySystem battery is a 3.0-volt V, coin-cell battery Negative side of battery Removing the Left Expansion-Card Riser Board Expansion-Card Riser BoardsRiser securing tabs Riser securing slots Installing the Left Riser BoardGuide pins System board socket Installing the Central Riser BoardRemoving the Central Riser Board 100Sideplane Board Removing the Sideplane Board101 Backplane connector Pins Installing the Sideplane BoardSAS Backplane Board Removing the SAS Backplane Board103 Pin Securing slots Securing tabs Installing the SAS Backplane BoardControl Panel Assembly Service-only Procedure Removing the Control Panel Assembly105 Installing the Control Panel Assembly System Board Service-only Procedure Removing the System Board107 Release pin System-board securing tabs Installing the System Board109 110 Safety First-For You and Your System Start-Up Routine111 Troubleshooting IRQ Assignment Conflicts Troubleshooting External ConnectionsChecking the Equipment Troubleshooting the Keyboard Troubleshooting the Video SubsystemMonitor is not working properly Video memory is faulty ProblemTroubleshooting the Mouse Troubleshooting Basic I/O FunctionsTroubleshooting a Serial I/O Device Troubleshooting a USB Device115 Troubleshooting a Wet System Troubleshooting a NICNIC cannot communicate with network Liquid spilled on the system Excessive humidityTroubleshooting a Damaged System System was dropped or damaged117 Troubleshooting Power Supplies Troubleshooting the System BatteryTroubleshooting System Cooling Problems Troubleshooting a Fan119 Troubleshooting System Memory Troubleshooting a Diskette Drive Error message indicates a diskette drive problem121 Action Troubleshooting an Optical Drive Troubleshooting an External Scsi Tape Drive123 Troubleshooting a Hard Drive 125 Troubleshooting a SAS or SAS RAID Controller Daughter Card 127 Troubleshooting Expansion CardsTroubleshooting the Microprocessors 129 130 System Diagnostics Features Using Server Administrator DiagnosticsWhen to Use the System Diagnostics 131System Diagnostics Testing Options Running the System DiagnosticsUsing the Custom Test Options Selecting Devices for TestingSelecting Diagnostics Options Viewing Information and Results133 134 Jumpers and Connectors System Board Jumpers135 Password feature is disabled Default The password feature is enabled137 System Board Connectors138 139 SAS Backplane Board ConnectorsSecondary SAS Sasb Drive 5 SASDRV5 Drive 3 SASDRV3Drive 2 SASDRV2 Drive 3 SASDRV3 Drive 1 SASDRV1 140Secondary SAS Sasb Primary SAS Sasa 141Expansion-Card Riser-Board Components and PCI Buses Sideplane Board ConnectorsControl panel Ctrl Pin guidesOptional PCI-X Left Expansion-Card Riser Board Components 143Optional PCIe Expansion-Card Central Riser Board Components 145 146 Technical Assistance Online Services147 Getting HelpAutomated Order-Status Service AutoTech ServiceTechnical Support Service Electronic Quote Service149 150 Before You Call151 152 Contacting Dell153 154 155 General Support 01-899-753-0777 156157 158 General Support dial from within Jamaica only Getting Help 159160 161 162 General Support 001-800-882-1519General Support 001-800-220-1006 163 164 165 166 167 168 Amperes AC Alternating current 169BTU British thermal unit CelsiusCm Centimeters Cmos Complementary metal-oxide semiconductor 170171 FahrenheitKilo Kb Kilobits 1024 bits Glossary LVD Low voltage differential Meters MA Milliamperes 172173 System diskette See bootable diskette 174TCP/IP Transmission Control Protocol/Internet Protocol Volts VAC Volts alternating current VDC Volts direct current 175176 Connectors expansion-card riser 177Index SAS hard drive in a SATAu drive carrier Hard drive installing Sata in a SATAu179 BoardPCI buses expansion-card riser SAS backplane board, 103 SAS controller daughterTOE 181 182
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