IMO if you want to program the system split ID is helpful as 64k is very small. Thus the 11/70 or 11/44 are my go to systems. Your call.
Sent from my PDP-7 Running UNIX V0 expect things to be almost but not quite. > On Jun 30, 2019, at 8:52 PM, Will Senn <[email protected]> wrote: > > All, > > Is there any particular reason to choose one model of PDP-11 over another in > the sim? I am a user who is usually only interested in using one of the > various programming languages available on the dec oses - I frequently use > RT-11 for BASIC or ASSEMBLY and Unix V6 and V7 for C and for fun, as well as > an occasional foray into RSTS-E and lately RSX 11-M Plus to try and find the > perfect OS for as many programming languages as I can get in one place. In my > language/os explorations, I generally just grab somebody's example ini file > or take a default machine 11/40 or 11/94, but it's been pretty will-nilly on > my part. I'd like to have some kind of rationale related to necessity, but it > doesn't really seem to make much difference. I know the 11/45 had split I/D, > making it 'better' than the 11/40 and that the unibus is different than the > q-bus and I'm sure the hardware support is different between the models, but > I haven't really been prevented from running anything that is runnable... but > of course, if I was prevented, I just chalked it up to who knows why that > didn't work, so I might never know if I'm missing out on the El Dorado of > ancient OSes. Does anyone have some guidelines to help choose which model > configuration is appropriate for various needs? Or, in this day and age of > endless supplies of ram and memory, should I just load it up to the biggest, > baddest, pdp-11 of all time and leave it at that (and if so, which one is > that?). > > Thanks for the assist. > > Regards, > > Will > > -- > GPG Fingerprint: 68F4 B3BD 1730 555A 4462 7D45 3EAA 5B6D A982 BAAF > > _______________________________________________ > Simh mailing list > [email protected] > http://mailman.trailing-edge.com/mailman/listinfo/simh _______________________________________________ Simh mailing list [email protected] http://mailman.trailing-edge.com/mailman/listinfo/simh
