Lenovo 6435, 6438, 6437, 6436 manual Memory problems, Microprocessor problems

Page 63

Memory problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

 

The amount of system memory

1.

Make sure that:

that is displayed is less than the

 

v No error LEDs are lit on the operator information panel.

amount of installed physical

 

 

v The memory modules are seated correctly.

memory.

 

 

 

v You have installed the correct type of memory (see “Installing a memory

 

 

module” on page 14).

 

 

v All banks of memory are enabled. The server might have automatically

 

 

disabled a memory bank when it detected a problem.

 

2.

Check the system event/error log for error message 289 (see “Using the

 

 

Configuration/Setup Utility program” on page 35); if a DIMM was disabled by a

 

 

systems-management interrupt (SMI), replace the DIMM.

 

3.

Run memory diagnostics (see “Running the diagnostic programs” in the

 

 

Hardware Maintenance Manual ).

 

4.

Add one pair of DIMMs at a time, making sure that the DIMMs in each pair

 

 

match.

 

5.

Reseat the DIMMs.

 

6.

Replace the following components one at a time, in the order shown, restarting

 

 

the server each time:

 

 

a. DIMMs

 

 

b. (Trained service technician only) System board

 

 

 

Microprocessor problems

vFollow the suggested actions in the order in which they are listed in the Action column until the problem is solved.

vSee the parts listing in the Hardware Maintenance Manual to determine which components are customer replaceable units (CRU) and which components are field replaceable units (FRU).

vIf an action step is preceded by “(Trained service technician only),” that step must be performed only by a trained service technician.

Symptom

Action

 

 

 

The server emits a continuous

1.

Correct any errors that are indicated by the LEDs (see “System-board LEDs” in

beep during POST, indicating

 

the Hardware Maintenance Manual ).

that the microprocessor is not

 

2.

Make sure that the server supports the microprocessor.

working correctly.

3.

(Trained service technician only) Make sure that the microprocessor is seated

 

 

 

correctly.

 

4.

(Trained service technician only) Replace the microprocessor.

 

 

 

Chapter 5. Solving problems 49

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Contents Installation Guide Page Installation Guide Page Contents Page Safety Page To Connect To Disconnect Do not Safety Statement Safety Page Introduction Lenovo ThinkServer Documentation DVD Features and specifications Drives Major components of the server Inch models Dimm System board 13 Operator information panel assembly System-board optional-device connectors Page Installation guidelines Installing optional devicesSystem reliability guidelines Working inside the server with the power onRemoving the cover Handling static-sensitive devicesInstalling a memory module Installing a hard disk drive Installing a simple-swap Serial ATA hard disk drive Installing a hot-swap hard disk drive Installing an adapter Expansion-slot cover Page Adapter bracket Completing the installation Connecting the cables Installing the coverUpdating the server configuration Front view Server controls, LEDs, and powerRear view Server power features Turning on the serverTurning off the server Page Using the EasyStartup DVD Configuring the serverBefore you use the EasyStartup DVD Configuring RAIDEasyStartup overview Setup and configurationTypical operating system installation Installing your operating system without using EasyStartup Installing ThinkServer EasyManage softwareInstallation requirements Installing Windows Components on the Core Server Installation orderUninstalling the LANDesk Software Agent Using the Configuration/Setup Utility programUsing the LSI Logic Configuration Utility program Configuring the Gigabit Ethernet controllers Using the baseboard management controllerSolving problems Diagnostic tools overviewPost beep codes Hardware Maintenance Manual Post error codesDefault Settings, and save Maintenance Manual Abbreviated list of Post error codes Only Replace Abbreviated list of Post error codes Abbreviated list of Post error codes CD or DVD drive problems Troubleshooting tablesPage USB keyboard, mouse, or pointing-device problems Intermittent problemsPage Microprocessor problems Memory problemsMonitor problems Solving problems Optional-device problems Power problems EasyStartup problems Serial-device problemsSoftware problems Universal Serial Bus USB device problemsVideo problems Page Before you call Appendix A. Getting help and technical assistanceUsing other services Calling for servicePurchasing additional services Lenovo product service Page Appendix B. Notices Important notes TrademarksWaste electrical and electronic equipment Weee notices Recycling statements for Japan For the European Union Battery return programIndustry Canada Class a emission compliance statement German Ordinance for Work gloss statementElectronic emissions notices Federal Communications Commission FCC statementGerman Class a compliance statement European Union EMC Directive conformance statementPage Appendix B. Notices Page SAS Sata IndexSAS Index Page Page Part Number 46U0855
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6435, 6436, 6437, 6438 specifications

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