> > As far as I can tell searching with google, NetBSD doesn't run on
> > the Ubicom IP3K (e.g. IP3020).
> 
> http://www.ubicom.com/news/articles/2003/20030421_IP3023_NPU.html says:
> 
>  ``With generous amounts of SRAM on chip, the IP3023 doesn't need instruction
>    and data caches or a memory-management unit (MMU).ŽŽ
> 
> So NetBSD will not run on it. (Or, more precisely: a port would be realy
> hard)

Thanks.

I should have mentioned that this would be an embedded appliance type
application, no disk, no users, probably no need for memory protection.
NetBSD came to mind because it is supposed to be good for embedded, has
a good network stack, and runs on nearly everything.