ATA_ADDRESS_DEVHEAD_STD
retStatus = isd200_try_enum( us, ATA_ADDRESS_DEVHEAD_STD, 0);
retStatus = isd200_try_enum( us, ATA_ADDRESS_DEVHEAD_STD, 1);
info->DeviceHead = ATA_ADDRESS_DEVHEAD_STD;
ataCdb->write.DeviceHeadByte = (head | ATA_ADDRESS_DEVHEAD_STD);
ataCdb->write.DeviceHeadByte = (head | ATA_ADDRESS_DEVHEAD_STD);
master_slave == ATA_ADDRESS_DEVHEAD_STD ?
master_slave == ATA_ADDRESS_DEVHEAD_STD ?
master_slave = ATA_ADDRESS_DEVHEAD_STD;