I do believe that it would be easier to use LSX source code,
but I also know that some folks at universities were able
to modify the source for Mini-UNIX to run on 11/03 in
the mid-70's because of the two, only Mini-UNIX source
code was available to universities.

Heinz

On 9/18/2020 8:22 PM, Paul Riley wrote:
>
> Team,
>
> I’ve read thru the FAQ and other sources regarding compatibility of 
> Research and other flavours on the PDP-11. I have two physical 
> machines, an 11/03 and an 11/23+. I’m choosing which version to use on 
> each machine.
>
> Is LSX the only option on the 11/03, or could I run V6 or Mini-Unix 
> with more RAM?
>
> From the FAQ, it says V7 would support 11/23 with kernel 
> recompilation, I assume includes 11/23+. I see 2.11BSD would also run 
> on a ‘23 (and + I guess) with 1MB or more of RAM, so that would be 
> preferred. I suppose 2.11 would be preferable.
>
> I also have found another 11/23+ system from a seller here in China. 
> There’s the system, and a VT100, and a hard drive I can’t identify. 
> Here’s a photo, does anyone know what it is? I may bid for it...
>
> Paul
>
> *Paul Riley*
>
>