AWI_TXD_NDA      1021 dev/ic/awi.c   		awi_write_4(sc, txd + AWI_TXD_NDA, 0);
AWI_TXD_NDA      1598 dev/ic/awi.c   	awi_write_4(sc, sc->sc_txbase + AWI_TXD_NDA, 0);