Peer Chen wrote: > Yes,we use 0x010601 for AHCI controller. But we also want AHCI driver take care our 'RAID' controller,so Device IDs field in AHCI driver is necessary. Agreed. Just taking a survey of vendors :) Most vendors similarly use the RAID class code. Jeff - To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html