Lenovo 1046 Bedienungsanleitung Seite 107

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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”onpage95.
DamageddatainCMOSmemoryordamagedrmwarecancauseundeterminedproblems.Toresetthe
CMOSdata,usethepasswordswitch2(SW4)tooverridethepower-onpasswordandcleartheCMOS
memory;see“Locatingpartsonthesystemboard”onpage14.
ChecktheLEDsonallthepowersupplies.IftheLEDsindicatethatthepowersuppliesareworking
correctly,dothefollowing:
1.Turnofftheserver.
2.Makesurethattheserveriscabledcorrectly.
3.Removeordisconnectthefollowingdevices,oneatatime,untilyoundthefailure.Turnontheserver
andrecongureiteachtime.
Anyexternaldevices
Surge-suppressordevice(ontheserver)
Modem,printer,mouse,andnon-Lenovodevices
Eachadapter
Harddiskdrives
Memorymodules:theminimumcongurationrequirementis1GBDIMMpermicroprocessor(2GB
inatwo-microprocessorconguration)
Thefollowingminimumcongurationisrequiredfortheservertostart:
Onemicroprocessor
One1GBDIMM
Onepowersupply
Chapter7.Troubleshooting97
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