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Date: Thu, 01 Apr 2010 16:12:34 +0700
From: Eugene Grosbein <eugen@kuzbass.ru>
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To: Ali Mashtizadeh <mashtizadeh@gmail.com>
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X-Mailman-Approved-At: Thu, 01 Apr 2010 11:25:03 +0000
Cc: freebsd-hackers@freebsd.org
Subject: Re: AHCI Driver on ICH7 (27c08086) Chipset
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Ali Mashtizadeh wrote:
> Hi Everyone,
> 
> I have a new motherboard with an ICH7 chipset (G41) and the ata driver
> recognizes it as ATA_I82801GB_S1 (PCI ID 27c08086), but this card does
> not seem to work with the AHCI. Can anyone point me to why this is the
> case? I really need NCQ working for this machine.

http://www.intel.com/support/chipsets/imst/sb/cs-012304.htm
In short: ICH7R and ICH7M both have AHCI support but ICH7 does not.

Eugene Grosbein