3.CheckandconfiguretheBIOSsettingsforyourspecificneeds.See“UsingtheSetupUtility
program”onpage49
.
•UsingtheBIOSrecoveryjumper
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnect
allpowercordsfromelectricaloutletsanddisconnectallcablesthatareconnectedtotheserver.
2.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage63.
3.Removetheservercover.See“Removingtheservercover”onpage63.
4.LocatetheBIOSrecoveryjumperonthesystemboard.See“Systemboardjumpers”onpage41.
Then,removeanypartsanddisconnectanycablesthatmightimpedeyouraccesstothejumper.
5.Removethejumpercapfromthejumpercapstorage.See“Systemboardjumpers”onpage41.
6.NotetheorientationofthejumpercapandtheninstallthejumpercapontheBIOSrecoveryjumper.
7.Connecttheservertoanacpowersource.Theserverturnsonandthenturnsoffautomatically.
8.Movethejumpercapbacktothejumpercapstorage.See“Systemboardjumpers”onpage41.
9.Waitforseveralminutes.WhentheBIOSrecoveryprocessiscompleted,theserverturnson
automatically.
10.EnsurethattheSetupUtilityprogramstartsnormally.See“StartingtheSetupUtilityprogram”on
page49
.Then,disconnecttheserverfromtheacpowersource.
11.Reinstallanypartsandreconnectanycables.Then,reinstalltheservercover.See“Completing
thepartsreplacement”onpage144.
12.Connecttheservertoanacpowersourceandturnontheserver.TheBIOSsettingsrecoverto
thefactory-defaultsettings.CheckandconfiguretheBIOSsettingsforyourspecificneeds.See
“UsingtheSetupUtilityprogram”onpage49.
Note:IfyoucannotrecovertheBIOSafterusingtheinstructionsinthistopic,theBIOSread-onlymemory
(ROM)mightbedamaged.Youmustreplacethesystemboard.ContacttheLenovoCustomerSupport
Center.
ConfiguringRAID
ThistopicprovidesinformationaboutRAIDandtheutilityprogramsthatareavailableforyoutoconfigure
RAID.
Thistopiccontainsthefollowinginformation:
•“AboutRAID”onpage56
•“ConfiguringRAIDusingtheLenovoThinkServerDeploymentManagerprogram”onpage58
•“ConfiguringtheadvancedSATAorSAShardwareRAID”onpage58
AboutRAID
RAID,anacronymforRedundantArrayofIndependentDisks,isatechnologythatprovidesincreased
storagefunctionsandreliabilitythroughredundancy.Thisisachievedbycombiningmultipleharddiskdrives
intoalogicalunit,wheredataisdistributedacrossthedrivesinoneofseveralwayscalledRAIDlevels.
WhenagroupofindependentphysicalharddiskdrivesaresetuptouseRAIDtechnology,theyareina
RAIDarray.Thisarraydistributesdataacrossmultipleharddiskdrives,butthearrayappearstothehost
serverasonesinglestorageunit.CreatingandusingRAIDarraysprovideshighperformance,suchasthe
expeditedI/Operformance,becauseseveraldrivescanbeaccessedsimultaneously.
56ThinkServerRD550UserGuideandHardwareMaintenanceManual
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