Compaq 340622-002 manual Appendix B Electrostatic Discharge, Grounding Methods, 1Electrostatic

B-1Electrostatic

Appendix B

Electrostatic Discharge

To prevent damaging the system, be aware of the precautions you need to follow when setting up the system or handling parts. A discharge of static electricity from a finger or other conductor may damage system boards or other static-sensitive devices. This type of damage may reduce the life expectancy of the device.

To prevent electrostatic damage, observe the following precautions:

■Avoid hand contact by transporting and storing products in static-safe containers.

■Keep electrostatic-sensitive parts in their containers until they arrive at static-free workstations.

■Place parts on a grounded surface before removing them from their containers.

■Avoid touching pins, leads, or circuitry.

■Always be properly grounded when touching a static-sensitive component or assembly.

Grounding Methods

There are several methods for grounding. Use one or more of the following methods when handling or installing electrostatic-sensitive parts:

■Use a wrist strap connected by a ground cord to a grounded workstation or computer chassis. Wrist straps are flexible straps with a minimum of 1 megohm ￿10 percent resistance in the ground cords. To provide proper ground, wear the strap snug against the skin.

■Use heel straps, toe straps, or boot straps at standing workstations. Wear the straps on both feet when standing on conductive floors or dissipating floor mats.

■Use conductive field service tools.

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