Andries, Don't you mean (drive->id->cfs_enable_1 & 0x0400) word85 and not (drive->id->command_set_1 & 0x0400) word82 Because when bit 10 of word 85 is not set then clip or HPArea is not enabled. Cheers, Andre Hedrick CTO Timpanogas Research Group EVP Linux Development, TRG Linux ATA Development - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [EMAIL PROTECTED] Please read the FAQ at http://www.tux.org/lkml/