IBM S31, S30 manual ThinkPad s30, s31 Hardware Maintenance Manual, Read This First

ThinkPad s30, s31 Hardware Maintenance Manual

About This Manual

This manual contains service and reference information for the IBM ThinkPad s30 and s31products. Use this manual along with the diagnostics tests to troubleshoot problems effectively.

The manual is divided into sections as follows:

vThe introduction section provides general information, guidelines, and safety information required to service computers.

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

This manual is intended for trained servicers who are familiar with ThinkPad products. Use this manual along with the PC-Doctor to troubleshoot problems effectively.

Read This First

Before you go to the checkout guide, be sure to read this section.

Important Notes:

vOnly certified trained personnel should service the computer.

vRead the entire FRU service procedures before replacing any FRUs.

vUse new nylon-coated screws when you replace FRUs.

vBe extremely careful during write operations such as copying, saving, or formatting. Drives in the computer that you are servicing might have been rearranged or the drive startup sequence might have been altered. If you select an incorrect drive, data or programs might be overwritten.

vReplace FRUs only for the correct model. When you replace a FRU, make sure the model of the computer and FRU part number are correct by referring to the FRU parts list.

vA FRU should not be replaced because of a single, unreproducible failure. Single failures can occur for a variety of reasons that have nothing to do with a hardware defect, such as: cosmic radiation, electrostatic discharge, or software errors. FRU replacement should be considered only when a recurring problem exists. If

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