ADV_SCSIQ_B_BWD
adv_write_lram_8(adv, s_addr + ADV_SCSIQ_B_BWD, adv->max_openings);
adv_write_lram_8(adv, s_addr + ADV_SCSIQ_B_BWD, i - 1);
adv_write_lram_8(adv, s_addr + ADV_SCSIQ_B_BWD, adv->max_openings - 1);
adv_write_lram_8(adv, s_addr + ADV_SCSIQ_B_BWD, i);