sf2r_send_vol_bit  128 dev/isa/sf16fmr2.c void	sf2r_send_vol_bit(bus_space_tag_t, bus_space_handle_t, u_int32_t);
sf2r_send_vol_bit  232 dev/isa/sf16fmr2.c 			sf2r_send_vol_bit(sc->tea.iot, sc->tea.ioh,