Re: Playing with SATA NCQ

[Jeff Garzik]

Erik Slagter wrote:
> On Thu, 2005-05-26 at 16:00 +0200, Jens Axboe wrote:
>
> > Now, this patch is not complete. It should work and work well, but error
> > handling isn't really tested or finished yet (by any stretch of the
> > imagination). So don't use this on a production machine, it _should_ be
> > safe to use on your test boxes and for-fun workstations though (I run it
> > here...). I have tested on ich6 and ich7 generation ahci, and with
> > Maxtor and Seagate drives.
>
>
> Is this supposed to work on ICH7 in legacy mode as well?

Nope.  ata_piix does not support NCQ (because the h/w doesn't support).


> Another question: is there a fundamental problem to have the ICH6/7
> enabled AHCI mode by the kernel instead of the BIOS? I know some BIOSes
> don't offer the choice to enable AHCI (like mine :-().

Not a problem.  You just don't get to use AHCI and such.

	Jeff


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