Thanks. Do you also know when CMS first supported XC mode as an option?
-- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 ________________________________________ From: IBM Mainframe Discussion List [[email protected]] on behalf of Dale R. Smith [[email protected]] Sent: Monday, May 10, 2021 9:41 PM To: [email protected] Subject: Re: When did CMS stop requiring S/370 mode? On Mon, 10 May 2021 12:56:42 +0000, Seymour J Metz <[email protected]> wrote: >CMS originally ran on a real S/360 or on a S/60 virtual machine under CP-67. >The CMS for VM/370 through VM/SP ran on a virtual S/370. When did CMS stop >requiring S/370 mode and when did it stop supporting S/370 mode (if it did)? > > > >-- >Shmuel (Seymour J.) Metz >http://mason.gmu.edu/~smetz3 CMS Release 12, (VM/ESA 2.1.0), and later releases of CMS no longer supported running CMS in 370 Mode. z/VM 4.1.0 and later releases no longer supported 370 mode Virtual Machines, (and therefore could no longer run 370 mode only OSes). -- Dale R. Smith ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
