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xvi IBM WorkPad z50, Mobile Companion xvi
Handling Electrostatic
Discharge-Sensitive Devices
Any computer part containing transistors or integrated
circuits (Ics) should be considered 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 so that the machine, the
part, the work mat, and the person handling the part are all
at the same charge.
Notes
1. Use product-specific ESD procedures when they
exceed the requirements noted here.
2. Make sure that the ESD protective devices you
use have been certified (ISO 9000) as fully
effective.
When handling ESD-sensitive parts:
•
Keep the parts in protective packages until they are
inserted into the product.
•
Avoid contact with other people.
•
Wear a grounded wrist strap against your skin to
eliminate static on your body. Approved static straps
protect the user from high-operating voltages (110V).
•
Prevent the part from touching your clothing. Most
clothing is insulative and retains a charge even when
you are wearing a wrist strap.
•
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. Select
a grounding system, such as those listed below, to
provide protection that meets the specific service
requirement.
Note
The use of a grounding system is desirable but not required
to protect against ESD damage.
- Attach the ESD ground clip to any frame
ground, ground braid, or green-wire ground.
- Use an ESD common ground or reference
point when working on a double-insulated or
battery-operated system. You can use coax or
connector-outside shells on these systems.
- Use the round ground-prong of the AC plug on
AC-operated computers.
Grounding Requirements
Electrical grounding of the computer is required for operator
safety and correct system function. Proper grounding of the
electrical outlet can be verified by a certified electrician.