ADMTT_FAN2
sc->sc_sensor[ADMTT_FAN2].type = SENSOR_FANRPM;
sc->sc_sensor[ADMTT_FAN2].flags |= SENSOR_FINVALID;
sc->sc_sensor[ADMTT_FAN2].value =
sc->sc_sensor[ADMTT_FAN2].flags &= ~SENSOR_FINVALID;