On Thursday, 07/31/2008 at 09:13 EDT, Gary Eheman <[EMAIL PROTECTED]> wrote: > On Wed, 30 Jul 2008 21:21:03 +0200, Kris Buelens <[EMAIL PROTECTED]> > wrote: > > >The SET MACHINE 370 is gone indeed, I think with z series or even > >already since the > >later 9672's. > > Depends upon the machine manufacturer. FLEX-ES still supports 370 mode > with a configuration file specification of "feature enable370" to include > the support. Won't do you any good, though, if running a post z/VM 3.1 > release of VM where CP will thumb its nose at you if try to CP SET MACHINE > 370, despite the machine capabilities.
If you ran the S/390 version of the CP 3.1 nuc *and* you had S/370 capability on the machine, CP allowed SET MACHINE 370. If you were running the z/Architecture (64-bit) version of CP, then CP could not allow SET MACHINE 370 because z/Architecture doesn't have a way to create S/370 guests! This is true even if the box has S/370 capability while in S/390 mode. z/VM Version 4 had an Architectural Level Set to a minimum machine requirement of G5, which did not include 370 microcode. At that point we fenced off SET MACHINE 370, eliminating a bunch of testing should a machine show up :-) that was "G5 + S/370". At the time, if someone still had S/370 requirements, then 370 Accomodation was there as well as z/VM 3.1, providing additional time to get the application converted. Alan Altmark z/VM Development IBM Endicott
