Re: Playing with SATA NCQ

Jeff Garzik
2005-05-30T18:52:37Z

Michael Thonke wrote:
> The new ones are real SATA drives. But some PATA devices and controllers
> support TCQ.

TCQ is a poorly designed feature, and so, will only be supported on a
very few, special host controllers.

For most people, even if they down a drive with legacy TCQ, queueing
will -never- be supported. For more details read
http://linux.yyz.us/sata/software-status.html#tcq

Jeff