About this manual
This manual contains service and reference information for the following
ThinkPad® products.
ThinkPad T400s
MT 2801, 2808, 2809, 2815, 2823, 2824, and 2825
Use this manual along with the advanced diagnostic tests to troubleshoot problems.
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 39.
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