TheTMMcombinesserviceprocessorfunctions,videocontroller,andremotepresenceandblue-screen
capturefeaturesinasinglechip.TheTMMprovidesadvancedservice-processorcontrol,monitoring,
andalertingfunction.Ifanenvironmentalconditionexceedsathresholdorifasystemcomponentfails,
theTMMlightsLEDstohelpyoudiagnosetheproblem,recordstheerrorintheTMMeventlog,and
alertsyoutotheproblem.Optionally,theTMMalsoprovidesavirtualpresencecapabilityforremote
servermanagementcapabilities.TheTMMprovidesremoteservermanagementthroughthefollowing
industry-standardinterfaces:
–IntelligentPlatformManagementProtocol(IPMI)version2.0
–SimpleNetworkManagementProtocol(SNMP)version3
–CommonInformationModel(CIM)
–Webbrowser
FormoreinformationabouttheTMM,see“UsingtheTMM”onpage38
,“TMMerrormessages”on
page152.
•Troubleshootingbysymptom
Thesetableslistproblemsymptomsandactionstocorrecttheproblems.See“Troubleshootingby
symptom”onpage49formoreinformation.
SystemerrorLEDs
ThissectiondescribesthesystemerrorLEDsonthesystemboardandthesuggestedactionstocorrect
thedetectedproblems.
Theillustrationshowsthesystem-boardLEDs.ThesystemboardhassystemerrorLEDsthatwillhelpto
locatethesourceoftheerror.Runthediagnosticprogramstofindoutthecauseoftheerror.
Chapter3.Troubleshooting45