>NetBSD BOOT 640/15360K [1.27]
>use hd(1,a) /netbsd to boot sd0 when wd0 is also installed
>boot : [[fd(0,4)]/netbsd][-adrs]] :-
>Error: C:2 H:1 S:6
>Error: C:2 H:1 S:6
>Error: C:2 H:1 S:8
>Error: C:2 H:1 S:8
>Error: C:2 H:1 S:8

Have you tried the obvious: a different disk?  It looks like the one
you are using may be bad.

--Michael

--
Michael Graff <explorer@flame.org>        NetBSD is the way to go!
PGP key on a key-server near you!         Rayshade the world!