Lenovo x3250 m6 - Chapter 7. Removing and Installing Server Components; Before Removing or Installing Server Components; System Reliability Guidelines; Working Inside the Server with the Power on

Chapter7.Removingandinstallingservercomponents
Thischapterprovidesinstructionsonhowtoremoveandinstallhardwareforyourserver.Youcanexpand
thecapabilitiesofyourserverbyaddingnewhardwaredevices,suchasmemorymodules,PCIecards,or
otherserveroptions,andmaintainyourserverbyreplacingthefailinghardwaredevices.Ifyouarehandling
aserveroption,refertotheappropriateinstallationandorremovalinstructionsinthistopicalongwiththe
instructionsthatcomewiththeoption.
Forinformationaboutwarrantyterms,seetheWarrantyInformationdocumentthatcomeswiththeserver.
Formoreinformationaboutgettingserviceandassistance,seeAppendixD“Gettinghelpandtechnical
assistance”onpage661
.
Beforeremovingorinstallingservercomponents
Attention:Staticelectricitythatisreleasedtointernalservercomponentswhentheserverispowered-on
mightcausethesystemtohalt,whichmightresultinthelossofdata.Toavoidthispotentialproblem,always
useanelectrostatic-dischargewriststraporothergroundingsystemwhenremovingorinstallingadevice.
Systemreliabilityguidelines
Tohelpensurepropersystemcoolingandsystemreliability,makesurethatthefollowingrequirements
aremet:
•Eachofthedrivebayshasadriveinit,otherwiseafillerandelectromagneticcompatibility(EMC)shield
installedmustbeinstalled.
•Iftheserverhasredundantpower,eachofthepower-supplybayshasapowersupplyinstalled.
•Thereisadequatespacearoundtheservertoensuretheservercoolingsystemworksproperly.Leave
approximately50mm(2.0inches)ofopenspacearoundthefrontandrearoftheserver.Donotplace
objectsinfrontofthefans.Forpropercoolingandairflow,installtheservercoverbeforeyouturnon
theserver.Operatingtheserverforextendedperiodsoftime(morethan30minutes)withtheserver
coverremovedmightdamageservercomponents.
•Youhavefollowedthecablinginstructionsthatcomewithoptionaladapters.
•Youhavereplacedafailedfanassoonaspossible.
•Youhavereplacedahot-swapdrivewithintwominutesofremoval.
•Youoperatetheserverwiththeairbaffleinstalled.Operatingtheserverwithouttheairbafflemight
causethemicroprocessortooverheat.
Workinginsidetheserverwiththepoweron
Guidelinestoworkinsidetheserverwiththepoweron.
Attention:Staticelectricitythatisreleasedtointernalservercomponentswhentheserverispowered-on
mightcausetheservertohalt,whichmightresultinthelossofdata.Toavoidthispotentialproblem,
alwaysuseanelectrostatic-dischargewriststraporothergroundingsystemwhenyouworkinsidethe
serverwiththepoweron.
Youmighthavetohavetheserverturnedonwhilethecoverisoff,tolookatsystem-boardLEDsorreplace
hot-swapcomponents.Followtheseguidelineswhenyouworkinsideaserverthatisturnedon:
•Avoidwearingloose-fittingclothingonyourforearms.Buttonlong-sleevedshirtsbeforeworkinginside
theserver;donotwearcufflinkswhileyouareworkinginsidetheserver.
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