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Chapter 3 79
System Upgrades
System Upgrades
Prerequisite for the System Upgrade Procedures
You must complete the following steps before performing any of the installation and
removal procedures in this chapter:
1. Power off the workstation (either by executing shutdown -h as root, or by simply
pressing the power switch on the front panel of the workstation, which accomplishes
the same thing), as well as the monitor and any attached peripheral devices.
2. Unplug the workstation power cord and all peripheral devices from AC power outlets.
3. Attach the static-grounding wrist strap by following the instructions on the package.
Attach the sticky end of the wrist strap to bare metal on the rear panel of the
workstation.
NOTE To make access to the internal components easier, you may want to place the
workstation on a table or workbench instead of leaving it on the floor.
CAUTION This workstation is designated for two-person lifting; it weighs approximately
36 to 49 pounds (12 to 22 kg), depending on the configuration. Do not attempt
to lift it by yourself, or injury may result.