The service procedures are designed to help you isolate problems. They
are written with the assumption that you have model-specific training on
all computers, or that are familiar with the computers, functions,
terminology, and service information provided in this supplement and the
PS/2 Hardware Maintenance Manual (part number 83G8990, form number
S52G-9971-02).
Please see the LEGAL - Trademark notice.
Feel free - send a 
for any BUG on this page found - Thank you.