> > 3) It has some pretty easy to use busses defined for it (Q-Bus, Unibus)
>
> Does anyone know what DEC's restrictions are on these buses now? At one
> time they were patented by DEC, and you could only (legally) homebrew a
> certain number of cards per machine.
>
> >
> > Alternatively one could go with something like SPARC (which Sun alleges is
> > open but I have my doubts)
>
> I don't think the processor is the problem, is it? You can get a pentium
> data sheet with enough info to write low-level software for the machine.
>
> -tony
>
>
>
As far as I know DEC never enforced any patent restrictions on building
Unibus or Q-Bus cards. They did kill anyone who tried to do Massbus
or Cache-Bus interfaces on the 11's.
Bill
---
bpechter_at_shell.monmouth.com|pechter_at_pechter.dyndns.org
Three things never anger: First, the one who runs your DEC,
The one who does Field Service and the one who signs your check.
Received on Fri Jul 02 1999 - 21:08:27 BST