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Before you perform any procedures on your computer equipment, read the following warnings for your personal safety and to prevent damage to the system from electro- static discharge (ESD). Refer to the appropriate system documentation before servicing any system.

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1.Turn off the system component.

2.Disconnect the system component from its power source(s).

3.Disconnect any communications cables.

4.Wear a wrist grounding strap, and clip it to a grounded, unpainted metal surface.

5.If a wrist grounding strap is not available, touch a grounded, unpainted metal surface to discharge any static charge from your body.

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As you use your computer system, observe the following safety guidelines:

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Be sure your computer, monitor, and attached peripherals are electrically rated to operate with the AC power available in your location.

To help avoid possible damage to the system board, wait 5 seconds after turning off the system before removing a component from the system board or discon- necting a peripheral device from the computer.

To help prevent electric shock, plug the computer and peripheral power cables into properly grounded electrical outlets. These cables are equipped with three- prong plugs to help ensure proper grounding. Do not use adapter plugs or remove the grounding prong from a cable. If you must use an extension cable, use a three-wire cable with properly grounded plugs.

To help protect your computer system from sudden, transient increases and decreases in electrical power, use a surge suppressor, line conditioner, or un- interruptible power supply (UPS).

Be sure nothing rests on your computer system’s cables and that the cables are not located where they can be stepped on or tripped over.

Do not spill food or liquids on your computer. If the computer gets wet, consult Chapter 7, “Checking Inside the Computer,” of the Installation and Troubleshoot- ing Guide for your server system.

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