ASC_SCSIQ_B_BWD
AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, sc->max_total_qng);
AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, i - 1);
AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, sc->max_total_qng - 1);
AscWriteLramByte(iot, ioh, s_addr + ASC_SCSIQ_B_BWD, i);