> I'm pretty sure (haveing heard from people doing this, but never seeing
> one myself) that when you bought a CPU upgrade from ROSS, they sent
> new boot PROMs as well.

Yes.  A while back, I noticed that Ebay had some ROSS CPU's where the 
description mentioned that the PROM was also supplied.  I think it also
mentioned that they had been taken from a 4/600, but I'm not 100% sure.

J

-- 
                    My other computer also runs NetBSD
                          http://www.netbsd.org/