3 System upgrade
40
Pre-installation instructions
Perform the steps below before you open the server or before your
remove or replace any component.
Warning! Failure to properly turn off the server before you
start installing components may cause serious damage. Do
not attempt the procedures described in the following
sections unless you are a qualified service technician.
1 Turn off the system and all the peripherals connected to it.
2 Unplug the power cord from the power outlet.
3 Unplug all peripheral cables from the system.
4 Place the system unit on a flat, stable surface.
5 Open the system according to the instructions on page 41.
6 Follow the ESD precautions described in this section when
handling a server component.
Post-installation instructions
Perform the steps below after installing a server component.
1 See to it that all components are installed according to the
described step-by-step instructions.
2 Reinstall all hardware structure or cable that have been previously
removed.
3 Reinstall the top cover.
4 Reinstall the front bezel.
5 Reconnect the necessary cables.
6 Turn on the system.