Lenovo ThinkServer RD550 User Manual Page 77

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Forserversthatsupportuptotwomicroprocessors,ensurethatthesecondmicroprocessorsocket
alwayscontainsamicroprocessororisprotectedbyamicroprocessorsocketcover.
Workinginsidetheserverwiththepoweron
Attention:Staticelectricitythatisreleasedtointernalservercomponentswhentheserveristurnedonmightcause
theservertohalt,whichmightresultinthelossofdata.Toavoidthispotentialproblem,alwaysuseanESDwriststrap
orothergroundingsystemwhenyouworkinsidetheserverwiththepoweron.
Theserversupportshot-swapdevicesandisdesignedtooperatesafelywhileitisturnedonandthecoveris
removed.Followtheseguidelineswhenyouworkinsidetheserverwiththepoweron:
Avoidwearingloose-fittingclothingonyourforearms.Buttonlong-sleevedshirtsbeforeworkinginside
theserver;donotwearcufflinkswhileyouareworkinginsidetheserver.
Donotallowyournecktieorscarftohanginsidetheserver.
Removejewelry,suchasbracelets,necklaces,rings,andloose-fittingwristwatches.
Removeitemsfromyourshirtpocket,suchaspensandpencils.Theseitemsmightfallintotheserveras
youleanoverit.
Avoiddroppinganymetallicobjectsintotheserver,suchaspaperclips,hairpins,andscrews.
Removingorextendingtheserverfromtherackcabinet
Iftheserverisinstalledinarackcabinet,removeorextendtheserverfromtherackcabinetbeforeinstalling
orreplacinghardware.Dependingontherailtype,dooneofthefollowing:
Iftheserverisinstalledinarackcabinetusingstaticrails,removetheserverfromtherackcabinetand
placeitonaflat,clean,andstatic-protectivesurface.SeetheRackInstallationInstructionsthatcomes
withtheserver.
Iftheserverisinstalledinarackcabinetusingsliderails,presstherackhandlestoextendtheserverfrom
therackcabinet.However,iftheworkingenvironment,cablingconfiguration,ortheserverlocationin
therackcabinetcreatesawkwardconditions,removetheserverfromtherackcabinet.SeetheRack
InstallationInstructionsthatcomeswiththeserver.
Removingtheservercover
Attention:Donotopenyourserverorattemptanyrepairbeforereadingandunderstanding“Safetyinformation”
onpageiiiand“Guidelines”onpage61.
Beforeyoubegin,printalltherelatedinstructionsorensurethatyoucanviewthePDFversiononanother
computerforreference.
Note:Dependingonthemodel,yourservermightlookslightlydifferentfromtheillustrationsinthistopic.
Toremovetheservercover,dothefollowing:
1.Removeallmediafromthedrivesandturnoffallattacheddevicesandtheserver.Then,disconnectall
powercordsfromelectricaloutlets.
2.Disconnectallpowercordsfromelectricaloutlets.
3.Disconnectthepowercords,Input/Output(I/O)cables,andallothercablesthatareconnectedto
theserver.
4.Prepareyourserver.See“Removingorextendingtheserverfromtherackcabinet”onpage63.
Chapter6.Replacinghardware63
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