Dell 2950 owner manual Troubleshooting a Serial I/O Device, Troubleshooting a USB Device, 115

Page 115

Troubleshooting a Serial I/O Device

Problem

•Device connected to the serial port is not operating properly.

Action

1Turn off the system and any peripheral devices connected to the serial port.

2Swap the serial interface cable with a working cable, and turn on the system and the serial device. If the problem is resolved, replace the interface cable.

3Turn off the system and the serial device, and swap the device with a comparable device.

4Turn on the system and the serial device.

If the problem is resolved, replace the serial device. See "Getting Help" on page 147. If the problem persists, see "Getting Help" on page 147.

Troubleshooting a USB Device

Problem

•System message indicates a problem with a USB device.

•Device connected to a USB port is not operating properly.

Action

1Enter the System Setup program, and ensure that the USB ports are enabled. See "Using the System Setup Program" on page 37.

2Turn off the system and any USB devices.

3Disconnect the USB devices, and connect the malfunctioning device to the other USB connector.

4Turn on the system and the reconnected device.

If the problem is resolved, the USB connector might be defective. See "Getting Help" on page 147.

5If possible, swap the interface cable with a working cable.

If the problem is resolved, replace the interface cable. See "Getting Help" on page 147.

6Turn off the system and the USB device, and swap the device with a comparable device.

7Turn on the system and the USB device.

If the problem is resolved, replace the USB device. See "Getting Help" on page 147. If the problem persists, see "Getting Help" on page 147.

Troubleshooting Your System

115

Image 115

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 Expansion Card Installation Guidelines Installing a SAS Controller Daughter CardRemoving a SAS Controller Daughter Card 101 General Memory Module Installation GuidelinesRemoving the Left Expansion-Card Riser Board 100112 Troubleshooting System Cooling Problems 119Troubleshooting an External Scsi Tape Drive 123 111133 Using Server Administrator Diagnostics 131Returning Items for Warranty Repair or Credit 149 Contents 132152 150Contents About Your System Other Information You May NeedAccessing System Features During Startup Front-Panel Features and Indicators Messages LCD lights amber when the system needsWhether the system has been powered on USB connectorsAmber About Your System Hard-Drive Indicator CodesAbout Your System Connecting External Devices Back-Panel Features and IndicatorsGreen indicates that the power supply is operational Power Indicator CodesRedundant Power Supply Indicators Indicator FunctionLCD Status Messages NIC Indicator CodesE12nn Xx PwrGd E1000 FAILSAFE, CallSupport E1114 Temp Ambient E1116 Temp MemoryE141C CPU Mismatch E1410E1414 CPU # Thermtrip E1418 CPU # PresenceE1618 PS # Predictive E1422 CPU Machine ChkE1610 PS # Missing E1614 PS # StatusE1712 E1810 HDD ## FaultE1711 PCI Perr Slot #E1811 HDD ## Rbld Abrt E1A11 PCI Rsr ConfigE2011 Mem Config Err E2013 Shadow Bios FailE201F Drac Config E2017 Timer FailE2018 Prog Timer E2019 Parity ErrorE2113 Mem Mirror Crd # E2111 SBE Log DisableCrd # Dimm ## E2112 Mem Spare Crd #Removing LCD Status Messages Solving Problems Described by LCD Status MessagesI1912 SEL Full System Messages Diskette read failure Diskette subsystem resetDiskette drive n seek FailureError Remote Access Error Incorrect memoryConfiguration. DIMMs must Be installed in pairsNorthbound merge error No boot device availableNo boot sector on hard drive No timer tick interruptSlot n PCI Bios failed to install Error EmbeddedError Slot n Actual Link Width is n PCIe Training ErrorSector not found Seek errorPlease run Setup program ROM bad checksum = addressWrite Fault on selected Timer chip counterUpdate loaded for Write faultAlert Messages Diagnostics MessagesAbout Your System Responding to Error Messages Entering the System Setup ProgramUsing the System Setup Program Using the System Setup Program System Setup OptionsMain Screen CPU Information Including size, type, and speedLogical Processor option. See Table From external devices System Setup Program Options Description Boot SequenceUsing the Setup Password on Virtual CD-ROM may be presentCPU 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 PasswordBaseboard Management Controller Configuration Disabling a Forgotten PasswordSee Disabling a Forgotten Password on BMC Setup Module Options Entering the BMC Setup ModuleUsing the System Setup Program Recommended Tools Installing System ComponentsControl panel Inside the SystemSideplane Hot-pluggable fansFront Bezel Hard Drive and Media Bay ConfigurationsRemoving the Front Bezel Replacing the Front Bezel Opening and Closing the SystemOpening the System Closing the System Hard DrivesRemoving a Drive Blank Before You BeginInstalling a Hot-Plug Hard Drive Installing a Drive BlankRemoving 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 includes four hot-pluggable cooling fans Installing the Power Supply BlankSystem Fans Removing a System FanReplacing a Cooling Fan Cooling ShroudRemoving the Cooling Shroud Installing the Cooling ShroudShroud hinges Fan bracket Removing the Fan Bracket Fan BracketsSAS Controller Daughter Card Fan bracket slot in power Tabs Supply cageReplacing the Fan Bracket Installing a SAS Controller Daughter Card 12. Installing a SAS Controller Daughter Card Card SAS backplane a Inch x6 backplane BackplaneInch x4 backplane CardSAS backplane B Installing a RAID Battery RAID BatteryRemoving a SAS Controller Daughter Card SAS RAID controller daughter card battery Removing a RAID BatteryExpansion Cards Configuring the Boot DeviceExpansion Card Installation Guidelines Installing an Expansion CardExpansion card Removing an Expansion Card Expansion-Card CageRemoving 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 Removing the Diskette Drive From the Drive Carrier Installing the Diskette Drive Into 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 GuidelinesMemory Mirroring Support Non-Optimal Memory ConfigurationsInstalling Memory Modules Memory Sparing SupportInstalling System Components Removing Memory Modules Processors Activating the Integrated NIC TOERemoving a Processor 28. Installing and Removing the Heat Sink Heat sink Processor shield ZIF socket Socket key Installing a ProcessorReplacing the System Battery 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 Board100 Installing the Central Riser BoardGuide pins System board socket Removing the Central Riser BoardRemoving the Sideplane Board Sideplane Board101 Backplane connector Pins Installing the Sideplane BoardRemoving the SAS Backplane Board SAS Backplane Board103 Pin Securing slots Securing tabs Installing the SAS Backplane BoardRemoving the Control Panel Assembly Control Panel Assembly Service-only Procedure105 Installing the Control Panel Assembly Removing the System Board System Board Service-only Procedure107 Release pin System-board securing tabs Installing the System Board109 110 Start-Up Routine Safety First-For You and Your System111 Troubleshooting External Connections Troubleshooting IRQ Assignment ConflictsChecking the Equipment Problem Troubleshooting the Video SubsystemTroubleshooting the Keyboard Monitor is not working properly Video memory is faultyTroubleshooting the Mouse Troubleshooting Basic I/O FunctionsTroubleshooting a USB Device Troubleshooting a Serial I/O Device115 Liquid spilled on the system Excessive humidity Troubleshooting a NICTroubleshooting a Wet System NIC cannot communicate with networkSystem was dropped or damaged Troubleshooting a Damaged System117 Troubleshooting Power Supplies Troubleshooting the System BatteryTroubleshooting a Fan Troubleshooting System Cooling Problems119 Troubleshooting System Memory Error message indicates a diskette drive problem Troubleshooting a Diskette Drive121 Action Troubleshooting an External Scsi Tape Drive Troubleshooting an Optical Drive123 Troubleshooting a Hard Drive 125 Troubleshooting a SAS or SAS RAID Controller Daughter Card 127 Troubleshooting Expansion CardsTroubleshooting the Microprocessors 129 130 131 Using Server Administrator DiagnosticsSystem Diagnostics Features When to Use the System DiagnosticsSelecting Devices for Testing Running the System DiagnosticsSystem Diagnostics Testing Options Using the Custom Test OptionsViewing Information and Results Selecting Diagnostics Options133 134 System Board Jumpers Jumpers and Connectors135 Password feature is disabled Default The password feature is enabled137 System Board Connectors138 Drive 5 SASDRV5 Drive 3 SASDRV3 SAS Backplane Board Connectors139 Secondary SAS SasbDrive 2 SASDRV2 Drive 3 SASDRV3 Drive 1 SASDRV1 140Secondary SAS Sasb Primary SAS Sasa 141Pin guides Sideplane Board ConnectorsExpansion-Card Riser-Board Components and PCI Buses Control panel CtrlOptional PCI-X Left Expansion-Card Riser Board Components 143Optional PCIe Expansion-Card Central Riser Board Components 145 146 Getting Help Online ServicesTechnical Assistance 147Electronic Quote Service AutoTech ServiceAutomated Order-Status Service Technical Support 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 General Support 001-800-882-1519 162General Support 001-800-220-1006 163 164 165 166 167 168 Celsius 169Amperes AC Alternating current BTU British thermal unitCm Centimeters Cmos Complementary metal-oxide semiconductor 170Fahrenheit 171Kilo Kb Kilobits 1024 bits Glossary LVD Low voltage differential Meters MA Milliamperes 172173 174 System diskette See bootable disketteTCP/IP Transmission Control Protocol/Internet Protocol Volts VAC Volts alternating current VDC Volts direct current 175176 177 Connectors expansion-card riserIndex SAS hard drive in a SATAu drive carrier Hard drive installing Sata in a SATAuSAS backplane board, 103 SAS controller daughter Board179 PCI buses expansion-card riserTOE 181 182

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