Lenovo x3650 M4 BD 5466 - Chapter 3. Configuration information and instructions; Updating the firmware

Note:Ifthegreaseisproperlyapplied,approximatelyhalfofthegreasewillremaininthesyringe.
Step6.Installtheheatsinkontothemicroprocessorasdescribedin“Replacingamicroprocessorand
heatsink”onpage232.
Installingahot-swapacpowersupply
Usethisinformationtoinstallahot-swapacpowersupply.
Thefollowingitemsdescribethetypeofpowersupplythattheserversupportsandotherinformationthat
youmustconsiderwhenyouinstallapowersupply:
•Toconfirmthattheserversupportsthepowersupplythatyouareinstalling,see
http://www.lenovo.com/us/en/serverproven/.
•Theservercomesstandardwithone750-wattor900-watthot-swappowersupply.Theinputvoltage
is110Vacor220Vacauto-sensing.
Note:Youcannotmix110Vacand220Vac,or750-wattand900-wattpowersuppliesintheserver,it
isnotsupported.
•Thesepowersuppliesaredesignedforparalleloperation.Intheeventofapower-supplyfailure,the
redundantpowersupplycontinuestopowerthesystem.Theserversupportsamaximumoftwo
powersupplies.
•Theservercanrunfullyconfiguredwithonepowersupply.Forredundancysupport,youmustinstall
thesecondhot-swappowersupply.
Note:Youcannotmixhigh-efficiencyandnon-high-efficiencypowersuppliesintheserver.
Statement5
CAUTION:
Thepowercontrolbuttononthedeviceandthepowerswitchonthepowersupplydonotturnoff
theelectricalcurrentsuppliedtothedevice.Thedevicealsomighthavemorethanonepower
cord.Toremoveallelectricalcurrentfromthedevice,ensurethatallpowercordsaredisconnected
fromthepowersource.
1
2
Statement8
CAUTION:
Neverremovethecoveronapowersupplyoranypartthathasthefollowinglabelattached.
Chapter2.Installingoptionaldevices69