IBM ThinkCentre 8127 Hardware Maintenance Manual

Contents

Problem determination tipsDue to the variety of hardware and software combinations that can beencountered, use the following information to assist you in problem determination.If possible, have this information available when requesting assistance from ServiceSupport and Engineering functions.v Machine type and modelv Processor or hard disk upgradesv Failure symptom– Do diagnostics fail?– What, when, where, single, or multiple systems?– Is the failure repeatable?– Has this configuration ever worked?– If it has been working, what changes were made prior to it failing?– Is this the original reported failure?v Reference/Diagnostics version– Type and version levelv Hardware configuration– Print (print screen) configuration currently in use– BIOS levelv Operating system software– Type and version levelNote: To eliminate confusion, identical systems are considered identical only ifthey:1. Are the exact machine type and models2. Have the same BIOS level3. Have the same adapters/attachments in the same locations4. Have the same address jumpers/terminators/cabling5. Have the same software versions and levels6. Have the same Reference/Diagnostics Diskette (version)7. Have the same configuration options set in the system8. Have the same setup for the operation system control filesComparing the configuration and software set-up between ″working andnon-working″ systems will often lead to problem resolution.NoticesReferences in this publication to IBM products, programs, or services do not implythat IBM intends to make these available in all countries in which IBM operates.Any reference to an IBM product, program, or service is not intended to state orimply that only that IBM product, program, or service may be used. Subject toIBM’s valid intellectual property or other legally protectable rights, anyfunctionally equivalent product, program, or service may be used instead of theIBM product, program, or service. The evaluation and verification of operation inconjunction with other products, except those expressly designated by IBM, are theresponsibility of the user.Chapter 10. Related service information 187

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