Lenovo 1106 User Manual Page 28

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Makesurethatyouhaveanadequatenumberofproperlygroundedelectricaloutletsfortheserver,
monitor,andotherdevices.
Backupallimportantdatabeforeyoumakechangestodrives.
Haveasmallat-bladescrewdriveravailable.
ToviewtheerrorLEDsonthesystemboardandinternalcomponents,leavetheserverconnectedto
power.
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.You
mightneedtorstpivotthefootstandsinwardandthenlaythecomputeronitsside.
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
microprocessorandheatsinkassembly.
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.
16ThinkServerUserGuide
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