XXVI
Preface
This manual contains service information for the
 2158/2163 Service Level A
(SL-A) 
model of the IBM Aptiva Personal Computer, worldwide. This manual is
intended to be used as a stand-alone document to service Aptiva machine type
2158/2163 products.  It is divided into the following chapters: 
Notices
  contains important safety information and notices required to service 
this computer.
General Information
  contains a brief description of this manual. 
Check Procedures
  provides step-by-step instructions that aid in locating the 
failing Field Replaceable Unit (FRU). 
Diagnostic Aids
  explains how to use the diagnostics tools for isolating 
failures. 
Repairing Information
  contains illustrations and descriptions to disassemble 
and reassemble the computer. 
Parts/Test Point Locations
  contains illustrations and descriptions of the 
locations of the major parts, jumpers, and connectors .
Safety Inspection Guide 
 contains information about inspecting a machine for 
safety problems before putting the machine under a Maintenance Agreement. 
Parts Catalog
  contains descriptions, illustrations, and part numbers for 
individual FRUs. 
Appendix A, FRU Number Index  
contains part numbers listed in numerical 
order. 
Appendix B, Online Support Information
  contains online support 
information. 
Appendix C, Model/Monitor Configurations and FRU Part Numbers 
contains models and FRUs listed by part number for all countries.