I think that Mike Rydberg hit the target. I took a quick look at the PPT 
presentation that August Carideo suggested at 
www.ohvcmg.org/download/22/<http://www.ohvcmg.org/download/22/> .That must be 
the CUP in question. What I did see was several mentions of z/OS and none that 
I noticed of VM. So the question remains,  is the CUP used for anything in 
performance monitoring and reporting in VM? I know that our h/w people do not 
use VM for dynamically configuring anything.


Regards,
Richard Schuh





________________________________
From: The IBM z/VM Operating System [mailto:[email protected]] On Behalf 
Of Robert Payne
Sent: Tuesday, August 18, 2009 10:35 AM
To: [email protected]
Subject: Re: Control Unit Port

I wonder if he / you are referring to port 0  (zero) on a real 3174 type 
control unit ???


Bubba

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