On Wed, 7 Jul 2010, Tony Duell wrote:
  I was goingto ask...
 There is a well-known equivalents list between HP house numbers and
 stnadard numbers in various issues of Bench Briefs (which are now on the
 web I think). IS there a similar list for IBM house numbers... 
Well, not officially and not as exhaustive, but here's what I have
(collected from some bad photocopies that I got from an IBM employee):
ftp://ftp.informatik.uni-stuttgart.de/pub/cm/ibmparts.txt
Christian