Re: No NCQ support on X61s Ultrabay? (Intel ICH8 SATA controller question)

[Robert Hancock]

Theodore Tso wrote:
> On Thu, Apr 30, 2009 at 07:34:45AM -0400, Theodore Tso wrote:
> > On Thu, Apr 30, 2009 at 08:33:09AM +0100, Alex Buell wrote:
> > > On Wed, 29 Apr 2009 22:27:46 -0400, I waved a wand and this message
> > > magically appears in front of Jeff Garzik:
> > >
> > > > As Tejun noted, try switching to AHCI mode in BIOS.
> > > But is there a way to switch modes without needing to go through the
> > > BIOS? Some laptops won't let you do that through BIOS. 
> > The BIOS setting already is in AHCI mode, and not in "compatibility
> > mode".  
>
> Thinking about this a bit more, I'll bet the problem is the BIOS
> setting is only affecting the primary SATA ports (which are being
> grabed by ahci) and not the SATA port in the Ultrabay slot (which is
> being picked up by either the ata_piix or piix driver).  Sigh...

dmesg and lspci -vv output might be useful..
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