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Service Hints & Tips

Document ID: GKEY-3J7GXE

This document is provided to IBM and our Business Partners to help sell and/or service IBM products. It is not to be distributed beyond that audience or used for any other purpose.

TP 560/E/X - Handling electrostatic discharge-sensitive devices

Applicable to: World-Wide

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.
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.

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	Hint Category	General Information
	Date Created	19-06-97
	Last Updated	07-04-98
	Revision Date	13-03-99
	Brand	IBM ThinkPad
	Product Family	ThinkPad 560, ThinkPad 560E, ThinkPad 560X
	Machine Type	2640
	Model	Various
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