Lenovo ThinkServer RD450 - Page 123

1.Removeallexternalmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,
disconnectallpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedto
theserver.
2.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage65.
3.Removetheservercover.See“Removingtheservercover”onpage65.
4.LocatetheThinkServerRAIDadapter.See“Servercomponents”onpage25.
5.RemovetheRAIDupgradekeyfromtheThinkServerRAIDadapter.
Note:Ifnecessary,removetheRAIDadapterfirstforeasieroperation.AfteryouremovetheRAID
upgradekey,reinstalltheRAIDadapter.See“InstallingorremovingaPCIExpresscard:Ethernetcard,
RAIDcard,andothersupportedtypesofPCIExpresscards”onpage86
.
Figure77.RemovingtheRAIDupgradekey
6.Reinstallanypartsorreconnectanycablesthatyouhaveremoved.
7.IfyouareinstructedtoreturntheoldRAIDupgradekey,followallpackaginginstructionsanduseany
packagingmaterialsthataresuppliedtoyouforshipping.
Whattodonext:
•Toworkwithanotherpieceofhardware,gototheappropriatesection.
•Tocompletetheremovalprocedure,goto“Completingthepartsreplacement”onpage178
.Becausethe
hardwareRAID5and50levelsarenotavailablewithouttheRAIDupgradekey,reconfigureRAIDforyour
serverifnecessary.ForinformationabouthowtoconfigurehardwareRAID,refertotheMegaRAIDSAS
SoftwareUserGuideonthedocumentationDVDthatcomeswithyourserver.
InstallingorremovingaThunderboltmemorymodule
ThistopicappliesonlytotheLenovoThinkServerRAID720iPCIeAdapterthatsupportstheTMM.Thereare
thefollowingtwotypesofTMM:
•ThinkServerRAID720iModularFlash
•ThinkServerRAID720iModularDRAMUpgrade
TheTMMworksasthecachememoryoftheinstalledLenovoThinkServerRAID720iPCIeAdapter.
Chapter6.Replacinghardware109