AHC_HVD
ahc->features & AHC_HVD ?
ahc->features |= AHC_HVD;
ahc->features |= AHC_HVD;
ahc->features |= AHC_HVD;
ahc->features |= AHC_HVD;
ahc->features |= AHC_HVD;
ahc->features |= AHC_HVD;