DO_SETATN
TRM_S1040_SCSI_CONTROL, DO_SETATN);
bus_space_write_2(iot, ioh, TRM_S1040_SCSI_CONTROL, DO_SETATN);
bus_space_write_2(sc->sc_iotag, sc->sc_iohandle, TRM_S1040_SCSI_CONTROL, DO_SETATN);