Lenovo System x3650 M4 HD - Solving Ethernet Controller Problems

Table15.Componentsassociatedwithpowerrailerrors(continued)
PwrrailerrorintheIMMeventlogComponents
PwrrailGerror•PCIadaptorpowercable(ifoneispresent)
•Fan3
•Harddiskdrives
•Harddiskdrivebackplaneassembly
PwrrailHerror•Harddiskdrivepowercable
•Harddiskdrives
•Harddiskdrivebackplane
or
•PCIadapterpowercable
•AdapterinstalledinPCIriser-cardassembly2
•PCIriser-cardassembly2
d.Replacetheidentifiedcomponent.
Step5.Removetheadaptersanddisconnectthecablesandpowercordstoallinternalandexternal
devicesuntiltheserverisattheminimumconfigurationthatisrequiredfortheservertostart(see
“Power-supplyLEDs”onpage131fortheminimumconfiguration).
Step6.Reconnectallpowercordsandturnontheserver.Iftheserverstartssuccessfully,reseatthe
adaptersanddevicesoneatatimeuntiltheproblemisisolated.
Iftheserverdoesnotstartfromtheminimumconfiguration,see“Power-supplyLEDs”onpage131to
replacethecomponentsintheminimumconfigurationoneatatimeuntiltheproblemisisolated.
SolvingEthernetcontrollerproblems
UsethisinformationtosolveEthernetcontrollerproblems.
ThemethodthatyouusetotesttheEthernetcontrollerdependsonwhichoperatingsystemyouareusing.
Seetheoperating-systemdocumentationforinformationaboutEthernetcontrollers,andseetheEthernet
controllerdevice-driverreadmefile.
Trythefollowingprocedures:
Step1.Makesurethatthecorrectdevicedrivers,whichcomewiththeserverareinstalledandthatthey
areatthelatestlevel.
Step2.MakesurethattheEthernetcableisinstalledcorrectly.
•Thecablemustbesecurelyattachedatallconnections.Ifthecableisattachedbuttheproblem
remains,tryadifferentcable.
•IfyousettheEthernetcontrollertooperateat100Mbps,youmustuseCategory5cabling.
•Ifyoudirectlyconnecttwoservers(withoutahub),orifyouarenotusingahubwithXports,
useacrossovercable.TodeterminewhetherahubhasanXport,checktheportlabel.Ifthe
labelcontainsanX,thehubhasanXport.
Step3.Determinewhetherthehubsupportsauto-negotiation.Ifitdoesnot,tryconfiguringtheintegrated
Ethernetcontrollermanuallytomatchthespeedandduplexmodeofthehub.
Step4.ChecktheEthernetcontrollerLEDsontherearpaneloftheserver.TheseLEDsindicatewhether
thereisaproblemwiththeconnector,cable,orhub.
Chapter4.Troubleshooting159