•Makesurethatthedevicesthatyouareinstallingaresupported.Foralistofsupportedoptionaldevices
fortheserver,seehttp://www.lenovo.com/serverproven/.
•Beforeyouinstallanadditionalpowersupplyorreplaceapowersupplywithoneofa
differentwattage,youmayusetheLenovoPowerConfiguratorutilitytodeterminecurrent
systempowerconsumption.Formoreinformationandtodownloadtheutility,goto
http://www.ibm.com/systems/bladecenter/resources/powerconfig.html.
•Theservercomeswithonehot-swap12-voltoutputpowersupplythatconnectstopowersupplybay1.
Theinputvoltageis110Vacor220Vacauto-sensing.
•Powersuppliesintheservermustbewiththesamepowerratingorwattagetoensurethattheserver
willoperatecorrectly.
•Powersupply1isthedefault/primarypowersupply.Ifpowersupply1fails,youmustreplacethepower
supplywiththesamewattageimmediately.
•Youcanorderanoptionalpowersupplyforredundancy.
•Thesepowersuppliesaredesignedforparalleloperation.Intheeventofapower-supplyfailure,the
redundantpowersupplycontinuestopowerthesystem.Theserversupportsamaximumoftwo
powersupplies.
Statement5
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.T oremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
Statement8
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
256Systemx3500M4InstallationandServiceGuide