AHCI/ATA_CAM for dummies?
b. f.
bf1783 at googlemail.com
Mon Dec 14 07:06:54 UTC 2009
On 12/14/09, Doug Barton <dougb at freebsd.org> wrote:
> b. f. wrote:
>> On 12/14/09, Doug Barton <dougb at 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 at 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.
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