Lenovo x3650 M4 BD 5466 - System Reliability Guidelines

anystepsthatinvolveremovingorinstallingadaptercablesandyoumustdisconnectthepowersource
fromtheserverbeforeyouperformanystepsthatinvolveremovingorinstallingarisercard.
•Blueonacomponentindicatestouchpoints,whereyoucangripthecomponenttoremoveitfromor
installitintheserver,openorclosealatch,andsoon.
•Orangeonacomponentoranorangelabelonornearacomponentindicatesthatthecomponentcanbe
hot-swapped,whichmeansthatiftheserverandoperatingsystemsupporthot-swapcapability,youcan
removeorinstallthecomponentwhiletheserverisrunning.(Orangecanalsoindicatetouchpointson
hot-swapcomponents.)Seetheinstructionsforremovingorinstallingaspecifichot-swapcomponentfor
anyadditionalproceduresthatyoumighthavetoperformbeforeyouremoveorinstallthecomponent.
•Whenyouarefinishedworkingontheserver,reinstallallsafetyshields,guards,labels,andgroundwires.
Systemreliabilityguidelines
Thesystemreliabilityguidelinestoensurepropersystemcooling.
Tohelpensurepropersystemcoolingandsystemreliability,makesurethatthefollowingrequirements
aremet:
•Eachofthedrivebayshasadriveorafillerpanelandelectromagneticcompatibility(EMC)shield
installedinit.
•Iftheserverhasredundantpower,eachofthepower-supplybayshasapowersupplyinstalledinit.
•Thereisadequatespacearoundtheservertoallowtheservercoolingsystemtoworkproperly.Leave
approximately50mm(2.0in.)ofopenspacearoundthefrontandrearoftheserver.Donotplaceobjects
infrontofthefans.Forpropercoolingandairflow,replacetheservercoverbeforeyouturnontheserver.
•Youhavefollowedthecablinginstructionsthatcomewithoptionaladapters.
•Youhavereplacedafailedfanwithin48hours.
•Youhavereplacedahot-swapdrivewithin2minutesofremoval.
•Youdonotoperatetheserverwithouttheairbafflesinstalled.Operatingtheserverwithouttheairbaffles
mightcausethemicroprocessortooverheat.
Workinginsidetheserverwiththepoweron
Guidelinestoworkinsidetheserverwiththepoweron.
Attention:
•LenovoSystemx3650M4BDType5466doesnotsupportserviceonrack.
•Staticelectricitythatisreleasedtointernalservercomponentswhentheserverispowered-onmight
causetheservertohalt,whichmightresultinthelossofdata.Toavoidthispotentialproblem,always
useanelectrostatic-dischargewriststraporothergroundingsystemwhenyouworkinsidetheserver
withthepoweron.
Youmighthavetohavetheserverturnedonwhilethecoverisoff,tolookatlightpathdiagnosticsLEDsor
replacehotswapcomponents.Followtheseguidelineswhenyouworkinsideaserverthatisturnedon:
•Avoidwearingloose-fittingclothingonyourforearms.Buttonlong-sleevedshirtsbeforeworkinginside
theserver;donotwearcufflinkswhileyouareworkinginsidetheserver.
•Donotallowyournecktieorscarftohanginsidetheserver.
•Removejewelry,suchasbracelets,necklaces,rings,andloose-fittingwristwatches.
•Removeitemsfromyourshirtpocket,suchaspensandpencils,thatcouldfallintotheserverasyou
leanoverit.
•Avoiddroppinganymetallicobjects,suchaspaperclips,hairpins,andscrews,intotheserver.
Chapter2.Installingoptionaldevices31