On Mon, Nov 29, 2021 at 1:06 PM Ethan Dicks via cctalk < cctalk@classiccmp.org> wrote:
> On Mon, Nov 29, 2021 at 3:19 PM Henk Gooijen via cctalk > <cctalk@classiccmp.org> wrote: > > I think the FP11 boards are not essential for the 11/70 > > They only add hardware FP support. > > Not essential for many uses, but I'm pretty sure UNIX is unhappy > without them. If you are going to run RSTS/E or RT-11, should be just > fine either way. > Depends on the UNIX. Ultrix works fine, and the latest patchlevel of 2.11BSD has floating point simulation that works fine. (I'm running my 11/70 sans floating point hardware at the moment, I'd still like to find a boardset one of these days, though. Floating point emulation is slow!) > > > However, I think that the cache boards are essential. > > Not sure the 11/70 will work without them. > > Agreed. I think those _are_ mandatory. > Yes, the cache is an integral part of the memory system on the 11/70. - Josh > Cheers, > > -ethan >
