1Hot-swapredundantpowersupply2(availableinsomemodels)
2Hot-swapredundantpowersupply1
Thehot-swapredundantpowersupplieshelpyouavoidsignicantinterruptiontotheoperationofthe
systemwhenapowersupplyfails.Youcanpurchaseahot-swapredundantpowersupplyoptionfrom
Lenovoandinstallthepowersupplytoprovidepowerredundancywithoutturningofftheserver.
Oneachhot-swapredundantpowersupply,thereisastatusLEDnearthepowercordconnector.Whenthe
LEDislitingreen,itindicatesthatthehot-swapredundantpowersupplyisworkingcorrectly.WhentheLED
islitinamber,itindicatesthatthehot-swapredundantpowersupplyislikelytofailorhasfailed.
3PCIExpresscardareaforcardsontherisercardassembly2
TherearethreePCIExpresscardslotsontherisercardassembly2forinstallingEthernetcardsorother
supportedPCIExpresscards.
Figure17.Risercardassembly2
Note:Theslot1andslot2aresupportedonlyinservermodelswithtwomicroprocessors.Forserver
modelswithonemicroprocessor,theslot1andslot2arecovered.Ifyouinstallthesecondmicroprocessor
intheserver,youneedtoremovethecoversthatprotecttheslot1andslot2beforeinstallingany
supportedcardsintotheslots.
PCIExpresscardslot
PhysicallinkwidthNegotiablelinkwidth
Supportedcardlengthandheight
1
x16x8,x4,x2,x1
Half-length,full-heightcard
2
x8x8,x4,x2,x1
Half-length,full-heightcard
3
x8x4,x2,x1
Low-prolecard
Chapter3.Productoverview29
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