4 Configuring the system30Preinstallation instructionsAlways observe the following before you install any component:1 Turn off the system and all the peripherals connected to it.2 Unplug all cables from the power outlets.3 Open the system according to the instructions on "Opening theserver" on page 31.4 Follow the ESD precautions described in this section whenhandling a server component.5 Remove any expansion board(s) or peripheral(s) that block accessto the DIMM socket or other component connector.See the following sections for specific installation instructions on thecomponent you want to install.Warning! Failure to properly turn off the server before you startinstalling components may cause serious damage. Do not attemptthe procedures described in the following sections unless you area qualified service technician.Post-installation instructionsObserve the following after installing a server component:1 See to it that all components are installed according to thedescribed step-by-step instructions.2 Reinstall any expansion board(s) or peripheral(s) that you havepreviously removed.3 Reinstall the chassis panels.4 Connect the necessary cables.5 Turn on the system.
