> On Feb 3, 2017, at 8:22 AM, Paul Koning <paulkon...@comcast.net> wrote: > > >> On Feb 2, 2017, at 11:19 PM, william degnan <billdeg...@gmail.com> wrote: >> >> ... >> I am curious to see what OS's run on an 11/40 without the EIS card other >> than RT-11. I am researching this. I have always wanted to learn more >> about batch-11. > > You mean DOS/BATCH? Yes, that would run on that machine, it's an 11/20 OS. > So would the pre-Batch version of DOS-11 (V4). > > Another OS that would run on your machine (as well as an 11/20) would be > RSTS-11 (V4, or I suppose V3 if you can find that), the predecessor of RSTS/E > that didn't use the MMU. > > It may be that some flavors of RSX-11/M or /S can be built with no EIS, since > it's supposed to be possible to build a non-MMU version at least of /S. But > I don't know the specifics (no RSX experience). > > paul > It looks as though Bill only has RL02 drives on the 11/40 so that would rule out DOS/BATCH. One of the later 3.x releases of RSX-11M should be OK (4.x seems to have dropped unmapped support).
John.