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<section xmlns="http://docbook.org/ns/docbook" 
         xmlns:xi="http://www.w3.org/2001/XInclude"
         xmlns:xlink="http://www.w3.org/1999/xlink" 
         version="5.0"
         xml:id="sec_rtas_error_reporting_loc_codes">

  <title>Location Codes</title>
  
  <para>This document defines an architecture extension for physical
  location codes. One use of location codes is to append failing location
  information to error logs returned by the 
  <emphasis>event-scan</emphasis> and 
  <emphasis>check-exception</emphasis> RTAS services. Refer to 
  <xref linkend="LoPAR.RTAS"/> for more information on the
  format and use of location codes. For event logs with Version 6 or later,
  the location code of FRU call out is contained in the Primary SRC
  section, FRU call out sub-section of the Platform Event Log
  format.</para>
  
</section>
