Lenovo System x3550 M4 - Installing a Power Supply; Installing a Hot-Swap Ac Power Supply

Figure52.Screwsengagement
Step10.Fastenthetwocaptivescrewsonthenetworkadapter.
Step11.ReinstallthePCIriser-cardassemblyinPCIriserconnector2ifyouhaveremoveditpreviously(see
“ReplacingaPCIriser-cardassembly”onpage221).
Ifyouhaveotherdevicestoinstallorremove,dosonow.Otherwise,goto“Completingtheinstallation”
onpage89.
Installingapowersupply
Usethisinformationtoinstallapowersupply.
Installingahot-swapacpowersupply
Usethisinformationtoinstallahot-swapacpowersupply.
Thefollowingnotesdescribethetypeofpowersupplythattheserversupportsandotherinformationthat
youmustconsiderwhenyouinstallapowersupply:
•Beforeyouinstallanadditionalpowersupplyorreplaceapowersupplywithoneofadifferentwattage,
youmayusethePowerConfiguratorutilitytodeterminecurrentsystempowerconsumption.Formore
informationandtodownloadtheutility,gotohttp://www.ibm.com/systems/bladecenter/resources/
powerconfig.html.
•Theservercomeswithonehot-swap12-voltoutputpowersupplythatconnectstopowersupplybay1.
Theinputvoltageis100-127Vacor200-240Vacauto-sensing.
•Powersuppliesintheservermustbewiththesamepowerratingorwattagetoensurethattheserverwill
operatecorrectly.Forexample,youcannotmix550-wattand750-wattpowersuppliesintheserver.
•Powersupply1isthedefault/primarypowersupply.Ifpowersupply1fails,youmustreplacethepower
supplywiththesamewattageimmediately.
•Youcanorderanoptionalpowersupplyforredundancy.
Chapter2.Installingoptionaldevices67