Simon Raahauge DeSantis wrote:
> I'm wondering if it's because of my prom version. As far as I can tell, I
> need a 525-1377-08 prom to use a hypersparc cpu. The chip on my mobo says
> 525-1377-07. Also, suggestions for where to get
> a new prom chip would be helpful.

If you can access an EPROM programmer, then maybe 
http://public.planetmirror.com/pub/sun-bootroms/ss20_v2.25r.tar.gz is 
the answer to your questions.

http://lios.apana.org.au/~cdewick/data/bootroms.html has a really good 
collection of sun PROM images.

Olev