I don't think it does this.  Just use GRUB.  It's in pkgsrc.

On 5/27/05, Jukka Salmi <j+nbsd@2005.salmi.ch> wrote:
> Hi,
>=20
> is it possible to configure the NetBSD bootselector to have it always
> boot the last partition booted instead of the default partition? GRUB
> has such a feature, but I don't know where it stores the information
> about which partition was booted last.
>=20
> Since the NetBSD bootselector can boot the active partition this problem
> could probably be worked around by marking the partition it boots as
> active. Could this break anything?
>=20
>=20
> TIA, Jukka
>=20
> --
> bashian roulette:
> $ ((RANDOM%6)) || rm -rf ~
>=20


--=20
_Matt