Lenovo ThinkServer RD640 - Page 42

1Hot-swapredundantpowersupply2(availableinsomemodels)
2Hot-swapredundantpowersupply1
Thehot-swapredundantpowersupplieshelpyouavoidsignificantinterruptiontotheoperationofthe
systemwhenapowersupplyfails.Youcanpurchaseahot-swapredundantpowersupplyoptionfrom
Lenovoandinstallthepowersupplytoprovidepowerredundancywithoutturningofftheserver.
Oneachhot-swapredundantpowersupply,thereisastatusLEDnearthepowercordconnector.Whenthe
LEDislitingreen,itindicatesthatthehot-swapredundantpowersupplyisworkingcorrectly.WhentheLED
islitinamber,itindicatesthatthehot-swapredundantpowersupplyislikelytofailorhasfailed.
3PCIExpresscardareaforcardsontherisercardassembly2
TherearethreePCIExpresscardslotsontherisercardassembly2forinstallingEthernetcardsorother
supportedPCIExpresscards.
Figure14.Risercardassembly2
Slot
PhysicallinkwidthNegotiablelinkwidth
Supportedcardlengthandheight
1
x16x8,x4,x2,x1
Half-length,full-heightcard
2
x8x8,x4,x2,x1
Half-length,full-heightcard
3
x8x8,x4,x2,x1
Low-profilecard
Notes:
•Theslot1andslot2aresupportedonlyinservermodelswithtwomicroprocessors.Forservermodels
withonemicroprocessor,theslot1andslot2arecovered.Ifyouinstallthesecondmicroprocessor
intheserver,youneedtoremovethecoversthatprotecttheslot1andslot2beforeinstallingany
supportedcardsintotheslots.
•Youalsocaninstallaconvergednetworkadapter(CNA)intoaPCIExpresscardslot.
•IfaThinkServerHBAisavailable,refertoitsuserguidefordetailedinformation.Theuserguideis
availablefordownloadat:
http://www.lenovo.com/UserManuals
28ThinkServerRD640UserGuideandHardwareMaintenanceManual