2.Iftheserverisinstalledinarackcabinet,removetheserverfromtherackcabinetandplaceitonaflat,
clean,andstatic-protectivesurface.SeetheRackInstallationInstructionsthatcomeswiththeserver.
3.Removetheservercover.See“Removingtheservercover”onpage89.
4.Locatethebackplane.See“Componentsofservermodelswithtwelve3.5-inchhard-disk-drivebays”
onpage36
.
5.Removealltheinstalled3.5-inchhot-swapharddiskdrivesanddummytrays(ifany)fromthe
hard-disk-drivebays.See“Installingorreplacingahot-swapharddiskdrive”onpage172
.
6.Recordthecableconnectionsonthebackplaneandthendisconnectallcablesfromthebackplane.
7.Carefullyliftthebackplanestraightupslightlysothatthesmallhooks1onthechassisarealigned
withthecorrespondingholesinthebackplane.Then,slowlyandcarefullymovethebackplanetothe
rearofthechassisuntilthehooks
1passthroughtheholesinthebackplaneandthencompletely
removethebackplaneoutofthechassis.
Figure142.Removingthebackplaneforservermodelswithtwelve3.5-inchhard-disk-drivebays
8.Touchthestatic-protectivepackagethatcontainsthenewhot-swaphard-disk-drivebackplanetoany
unpaintedsurfaceontheoutsideoftheserver.Then,removethenewbackplanefromthepackage.
Note:Carefullyhandlethebackplanebyitsedges.
9.Notetheorientationofthenewbackplaneandpositionitonthechassissothatthesmallhooks1on
thechassispassthroughthecorrespondingholesinthenewbackplane.Then,carefullypressthenew
backplanestraightdownsothatitissecuredinplacebythesmallretainingstuds2onthechassis.
Figure143.Installingthebackplaneforservermodelswithtwelve3.5-inchhard-disk-drivebays
180ThinkServerRD440UserGuideandHardwareMaintenanceManual
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