You'll want to go to the NetBSD/68k page:
http://www.netbsd.org/Ports/mac68k/
Read the documentation (folks say BSD folks are mean to folks who don't read the
documentation; I've noticed that you're more likely to be ignored publicly but someone
might contact you off-list), read the
Bhavesh,
If you have 15 gigs on that IDE drive and since IDE drive support is new, I'd stick
with running NetBSD off of that external SCSI drive to be totally safe. Much safer
that way. What do you think, Pickle? I don't believe Bhavesh will run into any trouble
using the installer and booter