DM9000_PAB0
dme_read_c(sc, DM9000_PAB0, enaddr, 6);
dme_read_c(sc, DM9000_PAB0, enaddr, 6);
dme_read_c(sc, DM9000_PAB0, enaddr, 6);
dme_write_c(sc, DM9000_PAB0, CLLADDR(ifp->if_sadl), ETHER_ADDR_LEN);