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Safety Instructions
Use the following safety guidelines to help protect your computer system from poten-
tial damage and to ensure your own personal safety.
NOTICE: Your computer is designed to work only while upright in the stand
shipped with it. Do not attempt to place the computer flat on a desktop,
and do not set heavy objects, such as a monitor, on top of the computer.
When Using Your Computer System
As you use your computer system, observe the following safety guidelines.
CAUTION: Do not operate your computer system with any cover(s) (includ-
ing computer covers, bezels, filler brackets, front-panel inserts, and so on)
removed.
• To help avoid damaging your computer, be sure the voltage selection switch on
the power supply is set to match the AC power available at your location:
— 100 volts (V)/50 hertz (Hz) in eastern Japan and 100 V/60 Hz in western Japan
— 115 V/60 Hz in most of North and South America and some Far Eastern coun-
tries such as South Korea and Taiwan
— 230 V/50 Hz in most of Europe, the Middle East, and the Far East
Also be sure your monitor and attached devices are electrically rated to operate
with the AC power available in your location.
• Before working inside the computer, unplug the system to help prevent electric
shock or system board damage. Certain system board components continue to
receive power any time the computer is connected to AC power.
• Before disconnecting a device from the computer, disconnect the power cable to
your computer and then press the power button to help avoid possible damage to
the system board.
• To help prevent electric shock, plug the computer and device power cables into
properly grounded power sources. These cables are equipped with three-prong
plugs to help ensure proper grounding. Do not use adapter plugs or remove the