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Date: Mon, 14 Dec 2009 02:06:52 -0500
Message-ID: <d873d5be0912132306w542a9706r9e070f10d15856db@mail.gmail.com>
From: "b. f." <bf1783@googlemail.com>
To: Doug Barton <dougb@freebsd.org>
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Cc: freebsd-current@freebsd.org
Subject: Re: AHCI/ATA_CAM for dummies?
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On 12/14/09, Doug Barton <dougb@freebsd.org> wrote:
> b. f. wrote:
>> On 12/14/09, Doug Barton <dougb@freebsd.org> wrote:
>>
>>> One thing I did not include in my previous post was that I actually
>>> did try adding the ahci device to my kernel config, and didn't get any
>>> hits. Per your other message tonight I tried again adding ahci and
>>> siis and booting verbose, no joy. This is on a laptop so I'm not
>>> really surprised, just disappointed. :)
>>
>> If you use 'pciconf -lv', is the subclass for your SATA controller
>> listed as either RAID or AHCI?
>
> I should also have mentioned that I looked in my  BIOS and didn't see
> anything relevant. Here is the pciconf output:
>
> atapci0@pci0:0:31:2:    class=0x010180 card=0x01c21028 chip=0x27c48086
> rev=0x01 hdr=0x00
>     vendor     = 'Intel Corporation'
>     device     = '82801GBM/GHM (ICH7-M Family) Serial ATA Storage
> Controller'
>     class      = mass storage
>     subclass   = ATA
>

Hmm.  From what little I know, your chipset should support AHCI, so
perhaps your motherboard or bios isn't set up right?:

p. 39, 44 of the pdf at:

http://www.intel.com/design/chipsets/datashts/307013.htm

b.