Re: PDP-11/83 w/FPU?

[Paul Koning via cctalk]

> On Apr 18, 2019, at 2:19 PM, allison via cctalk <cctalk@classiccmp.org> wrote:
> 
> ...
> There may be other versions that place less of a burden on requiring I&D.
> However I've not encountered a need for FPU connected to OS.  Also
> the assumption for many unix is MMU support but not all DEC OS have
> that requirement.

Indeed.  

MMU required: RSTS/E, RSX-11/M+, RSX-11/D, IAS, RT-11/XM. Also RSX-11/M ?
Not required: RSTS-11, DOS-11, RT-11/SJ and /FB, RSX-11/S, MicroPower/Pascal, 
IOX, CAPS-11.

        paul