Re: Playing with SATA NCQ

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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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