> Your choice of miniroot is the source of your troubles.  For a Sparc 5 you
> must use miniroot-121.fs.4m.

There has never been a `4m' miniroot..

In 1.2 and 1.2.1 there are two miniroots: one for sun4 and another for
sun4c/sun4m, because the installed bootblocks were slightly different.

(1.3 will have just one miniroot for all three architectures)

-pk