9-4 Upgrading Your ServerPREPARING FOR INSTALLATION AND REMOVALPrepare the installation or removal of a component depending on the following procedure:1. Shut down the OS.2. Press the POWER switch to turn off the power of the server. (The POWER/SLEEP lampgoes off.)3. Pull out the power cord from the AC inlet on the server.4. Remove all the cables connected to the server on the rear panel.5. Make the clearance of 1m to 2m in the front and rear sides and left and right sides of theserver.