Excerpts from netbsd: 25-Feb-98 Booting from a SCSI drive? Mason Loring
Bliss@acher (1873*)

[I don't know what else was written in this thread - the
mail server is dead - so excuse me if write what 100 people
have already written.]

> We did a full install, using a boot floppy and an EtherNet,
> and things proceeded smoothly. However, when the system boots, it whirrs
> and buzzes a bit, as normal, and then tells us there there's no operating
> system to be had.

That looks very much like a geometry problem.
Make sure you tell the installation program exactly
the geometry which your SCSI BIOS wants to use.
The safest way to get it is to boot DOS and use "pfdisk".

> PS: Another quick question... Is there an easy way I can duplicate my boot
> floppy? I don't have a DOS system easily available for use with rawrite, and
> I'm not sure how to do it under NetBSD.

dd if=/dev/rfd0a of=/tmp/xxx
<change floppy>
dd if=/tmp/xxx of=/dev/rfd0a

best regards
Matthias