z/VM? Shirley you mean VM/370, long before z/VM. VCNA was long dead when z/VM 
cam along.

BTW, how were your D4x3290 different from D4x32XX3? Also, didn't you have 
custom logmodes for 43x80 primary?


--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3

________________________________________
From: IBM Mainframe Discussion List [[email protected]] on behalf of 
Alan Altmark [[email protected]]
Sent: Tuesday, December 7, 2021 12:37 PM
To: [email protected]
Subject: Re: What determines the effective terminal size?

For what it's worth, literally decades ago I changed all my default logmodes to 
D4x3290 and never looked back.   It will fall back to 24x80 if there's an 
issue, which works on all emulated 3270s.  Granted, this was on z/VM, which had 
native non-SNA 3720 support long before it ever had VCNA or VTAM.

In any case, I quit getting phone calls from people.  (VTAM no longer runs on 
the system I did network management on, so it's no longer an issue for anyone  
- esp. me!)

Alan Altmark
Senior Managing z/VM Consultant
IBM Systems Lab Services

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