Dell 2950 owner manual Troubleshooting System Memory

Page 120

Action

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

1Run the appropriate diagnostic test. See "Using Server Administrator Diagnostics" on page 131.

2Open the system. See "Opening and Closing the System" on page 54.

CAUTION: The cooling fans are hot-pluggable. To maintain proper cooling while the system is on, only replace one fan at a time.

3Locate the faulty fan indicated by the LCD display or diagnostic software. For the identification number of each fan, see Figure 3-9.

4Ensure that the faulty fan's power cable is firmly attached to the fan power connector. See "System Fans" on page 65.

NOTE: Wait 30 seconds for the system to recognize the fan and determine whether it is working properly.

5If the problem is not resolved, install a new fan. See "System Fans" on page 65.

If the replacement fan is working properly, close the system. See "Opening and Closing the System" on page 54.

If the replacement fan does not operate, see "Getting Help" on page 147.

Troubleshooting System Memory

Problem

•Faulty memory module.

•Faulty system board.

•Front-panel status LCD indicates a problem with system memory.

Action

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

1Run the appropriate online diagnostic test. See "Using Server Administrator Diagnostics" on page 131.

2Turn on the system and attached peripherals.

If an error message does not appear, continue to the next step. If an error messages appears, go to step 11.

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Troubleshooting Your System

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Contents
Dell PowerEdge 2950 Systems W . d e l l . c o m s u p p o r t . d e l l . c o mJanuary Contents Baseboard Management Controller Configuration Installing a SAS Controller Daughter Card Expansion Card Installation GuidelinesRemoving a SAS Controller Daughter Card General Memory Module Installation Guidelines Removing the Left Expansion-Card Riser Board100 101Troubleshooting System Cooling Problems 119 Troubleshooting an External Scsi Tape Drive 123111 112Using Server Administrator Diagnostics 131 Returning Items for Warranty Repair or Credit 149 Contents132 133150 152Contents Other Information You May Need About Your SystemAccessing System Features During Startup Front-Panel Features and Indicators LCD lights amber when the system needs Whether the system has been powered onUSB connectors MessagesHard-Drive Indicator Codes Amber About Your SystemAbout Your System Back-Panel Features and Indicators Connecting External DevicesPower Indicator Codes Redundant Power Supply IndicatorsIndicator Function Green indicates that the power supply is operationalNIC Indicator Codes LCD Status MessagesE1000 FAILSAFE, Call Support E1114 Temp AmbientE1116 Temp Memory E12nn Xx PwrGdE1410 E1414 CPU # ThermtripE1418 CPU # Presence E141C CPU MismatchE1422 CPU Machine Chk E1610 PS # MissingE1614 PS # Status E1618 PS # PredictiveE1810 HDD ## Fault E1711PCI Perr Slot # E1712E1A11 PCI Rsr Config E2011 Mem Config ErrE2013 Shadow Bios Fail E1811 HDD ## Rbld AbrtE2017 Timer Fail E2018 Prog TimerE2019 Parity Error E201F Drac ConfigE2111 SBE Log Disable Crd # Dimm ##E2112 Mem Spare Crd # E2113 Mem Mirror Crd #Solving Problems Described by LCD Status Messages Removing LCD Status MessagesI1912 SEL Full System Messages Diskette subsystem reset Diskette drive n seekFailure Diskette read failureError Incorrect memory Configuration. DIMMs mustBe installed in pairs Error Remote AccessNo boot device available No boot sector on hard driveNo timer tick interrupt Northbound merge errorError Embedded Error Slot nActual Link Width is n PCIe Training Error Slot n PCI Bios failed to installSeek error Please run Setup programROM bad checksum = address Sector not foundTimer chip counter Update loaded forWrite fault Write Fault on selectedDiagnostics Messages Alert 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 System Setup Program Options Description Boot Sequence Using the Setup Password onVirtual CD-ROM may be present From external devicesCPU Information Screen Integrated Devices Screen Serial Communication Screen System Security ScreenExit Screen System and Setup Password Features Using the System PasswordUsing the System Setup Program Using the Setup Password Deleting or Changing an Existing System PasswordDisabling a Forgotten Password Baseboard Management Controller ConfigurationSee Disabling a Forgotten Password on Entering the BMC Setup Module BMC Setup Module OptionsUsing the System Setup Program Installing System Components Recommended ToolsInside the System SideplaneHot-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 Hard Drives Closing the SystemBefore You Begin Removing a Drive BlankInstalling a Drive Blank Installing a Hot-Plug Hard DriveRemoving a Hot-Plug Hard Drive Replacing a Hard-Drive Carrier Removing a Hard Drive From a Hard-Drive CarrierInstalling a SAS Hard Drive Into a SATAu Drive Carrier Screws SATAu drive carrierInstalling a Sata Hard Drive Into a Sata Drive Carrier Installing System Components Power Supplies Sata hard-drive Hole labelsRemoving a Power Supply Pull the power supply straight out to clear the chassisReplacing a Power Supply Removing the Power Supply BlankInstalling the Power Supply Blank System FansRemoving a System Fan System includes four hot-pluggable cooling fansCooling Shroud Replacing a Cooling FanInstalling the Cooling Shroud Removing the Cooling ShroudShroud hinges Fan bracket Fan Brackets Removing the Fan BracketFan 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 Backplane Card SAS backplane a Inch x6 backplaneCard Inch x4 backplaneSAS backplane B RAID Battery Installing a RAID BatteryRemoving a SAS Controller Daughter Card Removing a RAID Battery SAS RAID controller daughter card batteryConfiguring the Boot Device Expansion Card Installation GuidelinesInstalling an Expansion Card Expansion CardsExpansion card Expansion-Card Cage Removing an Expansion CardRemoving the Expansion-Card Cage Replacing the Expansion-Card Cage Lift the cage straight up to clear the chassis. See FigureInstalling a RAC Card Optical Drive Removing the Optical DriveInstalling the Optical Drive Optical driveDiskette Drive Removing the Diskette Drive From the SystemInstalling 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 Removing and Installing an Internal Scsi Tape Drive Scsi Tape DriveTape drive Release latch General Memory Module Installation Guidelines System MemoryNon-Optimal Memory Configurations Installing Memory ModulesMemory 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 Installing a Processor Processor shield ZIF socket Socket keySystem Battery Replacing the System BatterySystem battery is a 3.0-volt V, coin-cell battery Negative side of battery Expansion-Card Riser Boards Removing the Left Expansion-Card Riser BoardInstalling the Left Riser Board Riser securing tabs Riser securing slotsInstalling the Central Riser Board Guide pins System board socketRemoving the Central Riser Board 100Sideplane Board Removing the Sideplane Board101 Installing the Sideplane Board Backplane connector PinsSAS Backplane Board Removing the SAS Backplane Board103 Installing the SAS Backplane Board Pin Securing slots Securing tabsControl Panel Assembly Service-only Procedure Removing the Control Panel Assembly105 Installing the Control Panel Assembly System Board Service-only Procedure Removing the System Board107 Installing the System Board Release pin System-board securing tabs109 110 Safety First-For You and Your System Start-Up Routine111 Troubleshooting IRQ Assignment Conflicts Troubleshooting External ConnectionsChecking the Equipment Troubleshooting the Video Subsystem Troubleshooting the KeyboardMonitor is not working properly Video memory is faulty ProblemTroubleshooting Basic I/O Functions Troubleshooting the MouseTroubleshooting a Serial I/O Device Troubleshooting a USB Device115 Troubleshooting a NIC Troubleshooting a Wet SystemNIC cannot communicate with network Liquid spilled on the system Excessive humidityTroubleshooting a Damaged System System was dropped or damaged117 Troubleshooting the System Battery Troubleshooting Power SuppliesTroubleshooting 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 Troubleshooting Expansion Cards 127Troubleshooting the Microprocessors 129 130 Using Server Administrator Diagnostics System Diagnostics FeaturesWhen to Use the System Diagnostics 131Running the System Diagnostics System Diagnostics Testing OptionsUsing the Custom Test Options Selecting Devices for TestingSelecting Diagnostics Options Viewing Information and Results133 134 Jumpers and Connectors System Board Jumpers135 Default The password feature is enabled Password feature is disabledSystem Board Connectors 137138 SAS Backplane Board Connectors 139Secondary SAS Sasb Drive 5 SASDRV5 Drive 3 SASDRV3140 Drive 2 SASDRV2 Drive 3 SASDRV3 Drive 1 SASDRV1141 Secondary SAS Sasb Primary SAS SasaSideplane Board Connectors Expansion-Card Riser-Board Components and PCI BusesControl panel Ctrl Pin guides143 Optional PCI-X Left Expansion-Card Riser Board ComponentsOptional PCIe Expansion-Card Central Riser Board Components 145 146 Online Services Technical Assistance147 Getting HelpAutoTech Service Automated Order-Status ServiceTechnical Support Service Electronic Quote Service149 Before You Call 150151 Contacting Dell 152153 154 155 156 General Support 01-899-753-0777157 158 159 General Support dial from within Jamaica only Getting Help160 161 162 General Support 001-800-882-1519General Support 001-800-220-1006 163 164 165 166 167 168 169 Amperes AC Alternating currentBTU British thermal unit Celsius170 Cm Centimeters Cmos Complementary metal-oxide semiconductor171 FahrenheitKilo Kb Kilobits 1024 bits Glossary 172 LVD Low voltage differential Meters MA Milliamperes173 System diskette See bootable diskette 174TCP/IP Transmission Control Protocol/Internet Protocol 175 Volts VAC Volts alternating current VDC Volts direct current176 Connectors expansion-card riser 177Index Hard drive installing Sata in a SATAu SAS hard drive in a SATAu drive carrierBoard 179PCI buses expansion-card riser SAS backplane board, 103 SAS controller daughterTOE 181 182
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