The P/370 only does 3380s, unfortunately. The P/390 will do 3380 and 3390. Both will do FBA.
On Sun, Jun 21, 2026 at 3:46 AM Dave Wade < [email protected]> wrote: > On Sat, 20 Jun 2026 06:36:52 -0500, Jay Maynard <[email protected]> > wrote: > > >CP/67 won't run on a 370. The virtual memory implementation is different > >enough to keep it from running. I don't know if CP/67's CMS will run on a > >bare 370, though it will run under VM/370, so maybe... > > > >If it'll run on a bare 370, it should run on a P/370. > > > > It certainly survives. > There is a copy on the "Community Edition" of VM/370 which runs under the > CP from VM/370 R6 on a suitable 370 emulator. > It does need 2314 DASD and I can't remember if the P/370 can do 2314s > There is a 360 emulator here:- > > https://github.com/rcornwell/sims > > and I think Richard Cornwell that wrote it has run CMS67 on it. > > Dave > > >On Fri, Jun 19, 2026 at 10:14 PM Farley, Peter < > >[email protected]> wrote: > > > >> Just out of pure curiosity, I wonder if there are any surviving copies > of > >> that “bare metal” CMS system and its documentation outside of IBM deep > >> archives (i.e., gathering dust at Iron Mountain). > >> > >> It would be interesting to bring it up under S/370 emulation or on a > >> surviving P370 system if anyone has one that’s still operational, just > to > >> see it work, but probably also somewhat frustrating without the > supporting > >> documentation. > >> > >> Peter > >> > >> From: IBM Mainframe Discussion List <[email protected]> On > Behalf > >> Of Mark S Waterbury > >> Sent: Friday, June 19, 2026 10:39 PM > >> To: [email protected] > >> Subject: Re: GC20-1757 - IBM Virtual Machine Facility/370 Features > >> Supplement > >> > >> > >> The original "CMS" (Cambridge Monitor System) of CP-67 could run on a > >> "bare" machine, and this was used to do the initial "SYSGEN" of CP-67, > e.g. > >> to specify the I/O configuration etc. to install CP-67 on an IBM S/360 > >> model 67. > >> > >> > >> > >> By the time VM/370 became available in late 1972 or early 1973, the VM > >> version of "CMS" (Conversational Monitor System) could no longer run on > any > >> "bare" machine as it relied on a number of CP services provided via the > >> DIAGnose instruction (aka. the "hypervisor call" in today's lingo.) > >> > >> -- > >> > >> > >> > >> This message and any attachments are intended only for the use of the > >> addressee and may contain information that is privileged and > confidential. > >> If the reader of the message is not the intended recipient or an > authorized > >> representative of the intended recipient, you are hereby notified that > any > >> dissemination of this communication is strictly prohibited. If you have > >> received this communication in error, please notify us immediately by > >> e-mail and delete the message and any attachments from your system. > >> > >> > >> ---------------------------------------------------------------------- > >> For IBM-MAIN subscribe / signoff / archive access instructions, > >> send email to [email protected] with the message: INFO IBM-MAIN > >> > > > > > >-- > >Jay Maynard > > > >---------------------------------------------------------------------- > >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 > -- Jay Maynard ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
