The following notes describe the type of power supply that the server supportsand other information that you must consider when you install a power supply:v You must use IMM to set and change the power supply Power Policy andSystem Power Configurations. You can set and change the policies andconfigurations using the IMM2 web interface, CIM, or the Advanced SettingsUtility. You cannot set or change the Power Policy or System PowerConfigurations using the UEFI Setup utility. The default configuration setting forboth ac and dc power supply models is non-redundant with throttling enabled.v For more notes and information that you must consider when you install powersupplies in the server, see “Installing power supplies” on page 104.v To confirm that the server supports the power supply that you are installing, seehttp://www.ibm.com/systems/info/x86servers/serverproven/compat/us/.v The following table lists the supported ac power supply configurations at both220 V ac and 110 V ac for each 4-socket node. These configurations apply foreach 4-socket node of the 8-socket server.Table 58. Supported ac power supply configurations at both 220 V ac and 110 V ac for each4-socket nodeNumber of power supplies Power supply wattageOne 900-wattOne 1400-wattTwo 900-wattTwo 1400-wattFour Two 900-watt and two 1400-wattFour 900-wattFour 1400-wattStatement 5CAUTION:The power control button on the device and the power switch on the powersupply do not turn off the electrical current supplied to the device. The devicealso might have more than one power cord. To remove all electrical current fromthe device, ensure that all power cords are disconnected from the power source.12Statement 8Chapter 6. Removing and replacing components 249
