ā¢Youdonothavetoturnofftheservertoinstallorreplaceahot-swapredundantpowersupply,a
hot-swapharddiskdrive,orahot-plugUSBdevice.However,youmustturnofftheserverbefore
performinganystepthatinvolvesinstalling,removing,orreplacingadaptercablesornon-hot-swap
devicesorcomponents.
ā¢ToviewtheLEDsonthesystemboardandinternalcomponents,leavetheserverconnectedtopower.
ā¢Whenyouareļ¬nishedworkingontheserver,reinstallallsafetyshields,guards,labels,andgroundwires.
ā¢Whenworkinginsidetheserver,youmightļ¬ndsometaskseasierifyoulaytheserveronitsside.
Handlingstatic-sensitivedevices
Attention:Donotopenthestatic-protectivepackagethatcontainsthenewpartuntilthedefectiveparthasbeen
removedfromtheserverandyouarereadytoinstallthenewpart.Staticelectricity,althoughharmlesstoyou,
canseriouslydamageservercomponentsandparts.
Anyserverpartcontainingtransistorsorintegratedcircuits(ICs)shouldbeconsideredsensitiveto
electrostaticdischarge(ESD).ESDdamagecanoccurwhenthereisadifferenceinchargebetweenobjects.
ProtectagainstESDdamagebyequalizingthechargesothatthemachine,thepart,theworkmat,andthe
personhandlingthepartareallatthesamecharge.
Notes:
ā¢Useproduct-speciļ¬cESDprocedureswhentheyexceedtherequirementsnotedhere.
ā¢EnsurethattheESDprotectivedevicesyouusehavebeencertiļ¬ed(ISO9000)asfullyeffective.
Whenyouhandleserverpartsandcomponents,taketheseprecautionstoavoidstatic-electricitydamage:
ā¢Limityourmovement.Movementcancausestaticelectricitytobuilduparoundyou.
ā¢Alwayscarefullyhandlethepartsandothercomponents(suchasPCIExpresscards,memorymodules,
systemboards,andmicroprocessors)byedgesorframe.Donottouchsolderjoints,pins,orexposed
circuitry.
ā¢Donotleavethedevicewhereotherscanhandleandpossiblydamagethedevice.
ā¢Beforeyoureplaceanewpart,touchthestatic-protectivepackagecontainingthenewparttoan
unpaintedmetalpartoftheserverforatleasttwoseconds.Thisreducesstaticelectricityfromthe
packageandyourbody.
ā¢Removethenewpartfromthestatic-protectivepackageanddirectlyinstallitintheserverwithout
placingitonanyothersurface.Ifitishardforyoutodothisinyourspeciļ¬csituation,placethe
static-protectivepackageofthenewpartonasmooth,levelsurface,andthenplacethenewparton
thestatic-protectivepackage.
ā¢Donotplacethepartontheservercoverorothermetalsurface.
ā¢Takeadditionalcarewhenhandlingdevicesduringcoldweather.Heatingreducesindoorhumidity
andincreasesstaticelectricity.
ā¢Useagroundedworkmattoprovideastatic-freeworksurface.Thematisespeciallyusefulwhen
handlingESD-sensitivedevices.
ā¢Preventthepartfromtouchingyourclothing.Mostclothingisinsulativeandretainsachargeeven
whenyouarewearingawriststrap.
ā¢Theuseofagroundingsystemisrecommended.Forexample,itisrecommendedtowearanelectrostatic
discharge(ESD)wriststrap,ifoneisavailable.EnsurethatyouworkinanESD-safearea.Selecta
groundingsystem,suchasthoselistedbelow,toprovideprotectionthatmeetsthespeciļ¬cservice
requirement.
Note:TheuseofagroundingsystemtoguardagainstESDdamageisdesirablebutnotnecessary.
74ThinkServerRD340UserGuideandHardwareMaintenanceManual
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