AHD_EXTENDED_TRANS_A
| AHD_EXTENDED_TRANS_A|AHD_STPWLEVEL_A;
ahd->flags &= ~AHD_EXTENDED_TRANS_A;
ahd->flags |= AHD_EXTENDED_TRANS_A;
aic_calc_geometry(&ccb->ccg, ahd->flags & AHD_EXTENDED_TRANS_A);