Lenovo ThinkServer RD240 - System Reliability Guidelines; Handling Static-Sensitive Devices

•Youdonothavetoturnofftheservertoinstallorreplacehot-swapfans,redundanthot-swapacpower
supplies,orhot-plugUSBdevices.However,youmustturnofftheserverbeforeperforminganystepsthat
involveinstalling,removing,orreplacingadaptercablesornon-hot-swapoptionaldevicesorcomponents.
•Aftercompletinganyinstallation,removal,orreplacementprocedure,reinstallallsafetyshields,guards,
labels,andgroundwires.
•Foralistofsupportedoptionaldevicesfortheserver,gotohttp://www.lenovo.com/thinkserver.
•Whenworkinginsidetheserver,youmightndsometaskseasierifyoulaytheserveronitsside.
Systemreliabilityguidelines
Tohelpensurepropercoolingandsystemreliability,makesurethatyoufollowtheseguidelines:
•EverydrivebayhasaninternaldriveinstalledoranElectroMagneticCompatibility(EMC)shieldinstalled.
•Iftheserverhasredundantpower,everypowersupplybayhasapowersupplyassemblyinstalled.
•Leaveadequatespacearoundtheservertomakesurethattheservercoolingsystemworkswell.
•Properlyroutethecables.Forsomeoptions,suchasPCIcards,followthecablinginstructionsthat
comewiththeoptions.
•Makesurethatyoureplaceafailingfanwithin48hours.
•Whenreplacingahot-swapdrive,installthenewhot-swapdrivewithintwominutesofremoval.
•Donotremoveanyairductorairbafeswhiletheserverisrunning.Operatingtheserverwithoutthe
airductorairbafesmightcausethemicroprocessortooverheat.
•Thesecondmicroprocessorsocketalwayscontainseitheramicroprocessorsocketcoverora
microprocessor.
Handlingstatic-sensitivedevices
Attention:
Donotopenthestatic-protectivepackagecontainingthenewpartuntilthedefectiveparthasbeenremovedfromthe
serverandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,canseriouslydamage
servercomponentsandparts.
Whenyouhandleserverpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:
•Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
•Wearanelectrostatic-dischargewriststrap,ifoneisavailable.
•Alwayscarefullyhandlethepartsandothercomponents(suchasPCIcards,memorymodules,system
boards,andmicroprocessors)byitsedgesoritsframe.Donottouchsolderjoints,pins,orexposed
circuitry.
•Preventothersfromtouchingthepartsandothercomputercomponents.
•Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoametal
expansion-slotcoverorotherunpaintedmetalsurfaceontheserverforatleasttwoseconds.This
reducesstaticelectricityfromthepackageandyourbody.
•Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitintheserverwithout
placingitonanyothersurface.Ifitishardforyoutodothisinyourspecicsituation,placethe
static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton
thestatic-protectivepackage.
•Donotplacethepartontheservercoverorothermetalsurface.
•Takeadditionalcarewhenhandlingdevicesduringcoldweather.Heatingreducesindoorhumidity
andincreasesstaticelectricity.
20ThinkServerUserGuide