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Date: Fri, 30 Jul 2010 17:18:38 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Roland Smith <rsmith@xs4all.nl>
In-Reply-To: <20100730065135.GA51952@slackbox.erewhon.net>
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	(wonkity.com [127.0.0.1]); Fri, 30 Jul 2010 17:18:38 -0600 (MDT)
Cc: questions@freebsd.org
Subject: Re: AHCI and Gigabyte GA-G31M-ES2L
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On Fri, 30 Jul 2010, Roland Smith wrote:

> On Thu, Jul 29, 2010 at 08:29:37PM -0600, Warren Block wrote:
>> The Gigabyte GA-G31M-ES2L has an ICH7, one PATA port, and four SATA
>> ports.  This one now has the latest BIOS, F10.
>>
>> Is it possible to run AHCI on this motherboard and chipset?
>
> Only some ICH7 chipsets are able to run with AHCI.

Looks like only the ICH7R and ICH7D variants.

> Check the 'atapci' devices in the output of 'pciconf -lv'. Only if it says
> "subclass = SATA" below "class=mass storage", it is AHCI capable.

This plain ICH7 says "subclass = ATA".