> Looks like the MBR (/usr/src/sbin/fdisk/mbr/mbr.S) looks for the
> first active partition, then the second stage uses the first netbsd
> partition (/sys/arch/i386/stand/lib/crt/bootsect/start_bootsect.S).
> Not necessarily the same thing...

Neither of those files is used by current systems (as installed
by sysinst).

Look at sys/arch/i386/stand/mbr/mbr.S and sys/arch/i386/stand/boot/pbr.S

The 'bootselect' code allows other than the 'active' partition to be
booted.


	David

-- 
David Laight: david@l8s.co.uk