On 3/14/20 3:38 AM, Al Kossow via cctalk wrote:
  On 3/14/20 3:21 AM, Mattis Lind via cctalk wrote:
  Is there a cross reference list available for IBM
numbers to standard chips? 
 there is a small list here
 
http://bitsavers.org/pdf/ibm/6580_Displaywriter/re/
 it may have been expanded since the last time I searched for info on the web
 for a cross-reference
 
orig from ftp://computermuseum.informatik.uni-stuttgart.de/ibm/ibmparts.txt