About this manual

This manual contains service and reference information for the following

ThinkPad® products.

ThinkPad X300

MT 2748, 2749, 4052, 6476, 6477, and 6478

Use this manual along with the advanced diagnostic tests to troubleshoot problems.

The manual is divided into sections as follows:

vThe common sections provide general information, guidelines, and safety information required in servicing computers.

vThe product-specific section includes service, reference, and product-specific parts information.

Important:

This manual is intended only for trained servicers who are familiar with ThinkPad products. Use this manual along with the advanced diagnostic tests to troubleshoot problems effectively.

Before servicing a ThinkPad product, be sure to read all the information under “Safety information” on page 1 and “Important service information” on page 17.

© Copyright Lenovo 2008

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Lenovo X300 About this manual, ThinkPad