> >> So, I am trying to install NetBSD on an old SCSI drive, attached via a
> >> Symbios card.  Install goes fine.  On reboot, "no operating system".  If
> >> I run the utility shell and to "fdisk -B", I get the boot-loader menu...
> >> and then "3", meaning "no operating system".
>
> >do /usr/mdec/installboot -v /usr/mdec/biosboot.sym /dev/rsd0a
>
> I'll try it.  I've done it without the -v, and no visible effect.
is that disk only for NetBSD?

do

dd if=/dev/zero of=/dev/rsd0d bs=512 count=1 (to wipe out MBR but not
disklabel)

/usr/mdec/installboot -v /usr/mdec/biosboot.sym /dev/rsd0a

your /dev/rsd0a begins at 0?