XXVI
Preface
This  manual  contains  service  information for the
 2170/2171/2172 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 2170/2171/2172 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.