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Safety information
9. Check that the power-supply cover fasteners (screws or rivets) have not been
Handling devices that are sensitive to electrostatic discharge
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.
When handling ESD-sensitive parts:
v Keep the parts in protective packages until they are inserted into the product.
v Avoid contact with other people while handling the part.
v Wear a grounded wrist strap against your skin to eliminate static on your body.
v Prevent the part from touching your clothing. Most clothing is insulative and
v Use the black side of a grounded work mat to provide a static-free work surface.
v Select a grounding system, such as those listed below, to provide protection that
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.
16
®
MT ThinkPad
ThinkPad R60, R60e, R61, and R61i
removed or tampered with.
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.
retains a charge even when you are wearing a wrist strap.
The mat is especially useful when handling ESD-sensitive devices.
meets the specific service requirement.
Note
The use of a grounding system to guard against ESD damage is desirable
but not necessary.
– Attach the ESD ground clip to any frame ground, ground braid, or green-wire
ground.
– When working on a double-insulated or battery-operated system, use an ESD
common ground or reference point. You can use coax or connector-outside
shells on these systems.
– Use the round ground prong of the ac plug on ac-operated computers.
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