Lenovo TD230 Bedienungsanleitung Seite 30

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3.Removetheadaptersanddisconnectthecablesandpowercordstoallinternalandexternaldevices
untiltheserverisattheminimumcongurationthatisrequiredfortheservertostart(see“Solving
undeterminedproblems”onpage24fortheminimumconguration).
4.Reconnectallacpowercordsandturnontheserver.Iftheserverstartssuccessfully,replacethe
adaptersanddevicesoneatatimeuntiltheproblemisisolated.
Iftheserverdoesnotstartfromtheminimumconguration,replacethecomponentsintheminimum
congurationoneatatimeuntiltheproblemisisolated.
SolvingEthernetcontrollerproblems
ThemethodthatyouusetotesttheEthernetcontrollerdependsonwhichoperatingsystemyouareusing.
Seetheoperating-systemdocumentationforinformationaboutEthernetcontrollers,andseetheEthernet
controllerdevice-driverreadmele.
Trythefollowingprocedures:
Makesurethatthecorrectdevicedrivers,whichcomewiththeserver,areinstalledandthattheyareat
thelatestlevel.
MakesurethattheEthernetcableisinstalledcorrectly.
Thecablemustbesecurelyattachedatallconnections.Ifthecableisattachedbuttheproblem
remains,tryadifferentcable.
IftheEthernetcontrollerissettooperateat100Mbps,youmustuseCategory5cabling.
Ifyoudirectlyconnecttwoservers(withoutahub),orifyouarenotusingahubwithXports,usea
crossovercable.TodeterminewhetherahubhasanXport,checktheportlabel.Ifthelabelcontains
anX,thehubhasanXport.
Determinewhetherthehubsupportsauto-negotiation.Ifitdoesnot,tryconguringtheintegrated
Ethernetcontrollermanuallytomatchthespeedandduplexmodeofthehub.
ChecktheEthernetcontrollerLEDsontherearpaneloftheserver.TheseLEDsindicatewhetherthere
isaproblemwiththeconnector,cable,orhub.
TheEthernetlinkstatusLEDislitwhentheEthernetcontrollerreceivesalinkpulsefromthehub.Ifthe
LEDisoff,theremightbeadefectiveconnectororcableoraproblemwiththehub.
TheEthernettransmit/receiveactivityLEDislitwhentheEthernetcontrollersendsorreceivesdata
overtheEthernetnetwork.IftheEthernettransmit/receiveactivityLEDisoff,makesurethatthehub
andnetworkareoperatingandthatthecorrectdevicedriversareinstalled.
ChecktheLANactivityLEDsontherearoftheserver.TheLANactivityLEDislitwhendataisactiveon
theEthernetnetwork.IftheLANactivityLEDisoff,makesurethatthehubandnetworkareoperating
andthatthecorrectdevicedriversareinstalled.
Checkforoperating-system-speciccausesoftheproblem.
Makesurethatthedevicedriversontheclientandserverareusingthesameprotocol.
IftheEthernetcontrollerstillcannotconnecttothenetworkbutthehardwareappearstobeworking,the
networkadministratormustinvestigateotherpossiblecausesoftheerror.
Solvingundeterminedproblems
Ifthediagnostictestsdidnotdiagnosethefailureoriftheserverisinoperative,usetheinformationin
thissection.
Ifyoususpectthatasoftwareproblemiscausingfailures(continuousorintermittent),see“Software
problems”onpage23
.
DamageddatainCMOSmemoryordamagedrmwarecancauseundeterminedproblems.Toresetthe
CMOSdata,usethepasswordswitch2(SW4)tooverridethepower-onpasswordandcleartheCMOS
memory;see“Locatingpartsonthesystemboard”onpage33
.
24ThinkServerTD230HardwareMaintenanceManual
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