DM9000_NCR
dme_write(sc, DM9000_NCR,
dme_write(sc, DM9000_NCR, 0x0);
dme_write(sc, DM9000_NCR,
dme_write(sc, DM9000_NCR, 0x0);
dme_write(sc, DM9000_NCR, DM9000_NCR_LBK_NORMAL);
ncr = dme_read(sc, DM9000_NCR) &~ DM9000_NCR_FDX;
dme_write(sc, DM9000_NCR, ncr);