AAC_RKT_OIMR
AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INT_NEW_COMM);
AAC_SETREG4(sc, AAC_RKT_OIMR, ~AAC_DB_INTERRUPTS);
AAC_SETREG4(sc, AAC_RKT_OIMR, ~0);