Lenovo ThinkStation S20 - Chapter 1. Important safety information

Note:Somecomputerpartscanbeupgradedorreplacedbythecustomer.
Upgradestypicallyarereferredtoasoptions.Replacementpartsapproved
forcustomerinstallationarereferredtoasCustomerReplaceableUnits,or
CRUs.Lenovoprovidesdocumentationwithinstructionswhenitisappropriate
forcustomerstoinstalloptionsorreplaceCRUs.Youmustcloselyfollowall
instructionswheninstallingorreplacingparts.TheOffstateofapowerindicator
doesnotnecessarilymeanthatvoltagelevelsinsideaproductarezero.Before
youremovethecoversfromaproductequippedwithapowercord,alwaysmake
surethatthepoweristurnedoffandthattheproductisunpluggedfromany
powersource.FormoreinformationonCRUs,refertotheThinkStationHardware
InstallationandReplacementGuideforthisproduct.Ifyouhaveanyquestions
orconcerns,contacttheCustomerSupportCenter.
Althoughtherearenomovingpartsinyourcomputerafterthepowercordhas
beendisconnected,thefollowingwarningsarerequiredforyoursafety.
CAUTION:
Hazardousmovingparts.Keepngersandotherbodypartsaway.
CAUTION:
BeforereplacinganyCRUs,turnoffthecomputerandwaitthreetove
minutestoletthecomputercoolbeforeopeningthecover.
Staticelectricityprevention
Staticelectricity,althoughharmlesstoyou,canseriouslydamagecomputer
componentsandoptions.Improperhandlingofstatic-sensitivepartscancause
damagetothepart.WhenyouunpackanoptionorCRU,donotopenthe
static-protectivepackagecontainingthepartuntiltheinstructionsdirectyouto
installit.
WhenyouhandleoptionsorCRUs,orperformanyworkinsidethecomputer,take
thefollowingprecautionstoavoidstatic-electricitydamage:
Chapter1.Importantsafetyinformation3