Any system component that contains transistors or integrated circuits is sensitive to electrostatic discharge (ESD). ESD damage can occur when there is a difference in charge between objects. Protect against ESD damage by equalizing the charge. The server, the part, the work mat, and the person handling the part must all be at the same charge.
Packaging materials that contain ESD-sensitive components are usually marked with a yellow and black warning symbol.
Caution:
You must observe proper grounding techniques to prevent the discharge of static electricity from your body into ESD-sensitive components.
To avoid damaging ESD-sensitive components:
Limit your movement. Movement can cause static electricity to build up around you.
Keep the parts in protective packages until you are ready to install them into the server. If it is necessary to set down a part, put it back into its static-protective package. Do not place the part on the server cover or on a metal surface.
Place parts on a grounded surface before removing them from their containers.
Handle the components only after attaching a wrist strap to your bare wrist. Attach the other end of the wrist strap to a ground that terminates at the system ground, such as any unpainted metallic chassis surface.
Handle a circuit board by the faceplate or side edges only. Avoid touching pins, leads, or circuitry. Hold devices such as a hard disk drive in the same manner. The ESD-sensitive area of these components is located on the bottom surface.
Caution:
Make sure that the unprotected part of your hand is not in contact with the non-component side of the board.
Keep components away from plastics and other synthetic materials such as polyester clothing. Most clothing is insulative and retains a charge even when you wear a wrist strap.
Do not hand components to another person unless that person is grounded at the same potential level. In general, avoid contact with other people.
Use the black side of a grounded work mat to provide a static-free work surface. The mat is especially useful when handling ESD-sensitive devices.
Take additional care when handling devices during cold weather. Heating reduces indoor humidity and increases static electricity.
Verify that the ESD protective devices you use are ISO 9000 certified as fully effective.
