Re: AHCI and Intel ICH7

[Manuel Bouyer <bouyer%antioche.eu.org@localhost>]

On Fri, Sep 11, 2015 at 05:48:36AM +0200, Emmanuel Dreyfus wrote:
> Hello
> 
> I have a few systems with an intel ICH7 chip and it seems impossible to
> run the disk controller using ahcisata, it will always use piixide,
> despite enhanced mode being enabled in the BIOS.
> 
> Searching the archives shows complains about this on the netbsd-4
> branch. I tried NetBSD-6.1.5, NetBSD-7.0_RC3 and latest current, the
> status looks identical. 
> 
> Does ICH7 remains unsupported in AHCI mode, or did I miss a trick?

Are you sur ICH7 supports AHCI ?
"Enhanced" in the bios doens't necesserely means ahci.
In all the BIOS I've seen ahci is always explicitely mentionned (eventually
you have to turn the controller to enhanced mode to have the AHCI
enable/disable entry)

-- 
Manuel Bouyer <bouyer%antioche.eu.org@localhost>
     NetBSD: 26 ans d'experience feront toujours la difference
--