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13.0 Handling Electro-Static Discharge (ESD) Sensitive Devices
These are general instructions for handling ESD sensitive parts.
containing transistors or ICs should be considered ESD Sensitive.
product specific ESD procedures when they exceed the requirements noted
here.
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.
Ground is desirable but not required to protect
against ESD damage.
The wrist band must be worn against the skin.
the grounding cord system to provide protection for the specific service
requirement.
If an ESD sensitive part is swapped, the mat must be used to
provide an ESD safe work surface to protect the part removed from the
system.
The mat might not be required for a simple insertion.
can be used as a ESD protective container for swapping parts between
systems.
Use the mat with the BLACK side up.
The ESD ground clip can be attached to any frame ground, ground braid or
green wire ground.
For systems that are double insulated, or battery
operated, an ESD common ground or reference point should be used.
round ground-prong on the AC plug, can be used on AC-operated systems.
Coax or connector outside shells can be used on double insulated or
battery operated systems.
ESD sensitive parts must not touch any part of your clothing.
clothing is insulative and retains a charge even when you are wearing a
wrist strap.
Avoid contact with other people when handling ESD sensitive
parts.
Keep ESD sensitive parts in protective packages until they are
inserted into the product.
IBM PS/2 Model 90 XP 486 and 95 XP 486 HMR
Handling Electro-Static Discharge (ESD) Sensitive Devices
¦ Copyright IBM Corp. 1990, 1992
13.0 - 1
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