From mboxrd@z Thu Jan  1 00:00:00 1970
From: sean darcy <seandarcy2@gmail.com>
Subject: Re: does AHCI work on intel 915 ICH6 controllers? Is it supposed to?
Date: Sat, 18 Jun 2005 16:21:58 -0400
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On 6/18/05, sean darcy <seandarcy2@gmail.com> wrote:
> On 6/12/05, Albert Lee <albertcc@tw.ibm.com> wrote:
> [........]
> > >
> >
> > Hi Sean,
> >
> > I also have a 915G based system (AOpen EZ915) and I'm interested to try the
> > AHCI support. So I checked whether AHCI could be used on my 915G box.
> > The PCI device ID for my ICH6 is 0x2651.
> > => So, no AHCI support. :(
> > (Only ICH6-R 0x2652 and ICH6-M 0x2653 have AHCI support. Not plain ICH6.
> > http://download.intel.com/design/chipsets/specupdt/30147411.pdf )
> >
> Mine is also 0x2651.
>
> But I must be blind, but I don't see any statement that  only  -R and
> -M have AHCI support.
>
> sean
>

In fact, look at 12.1.15 in
http://developer.intel.com/design/chipsets/datashts/30147302.pdf.

Maybe the driver ( BIOS? ) is not setting the SCRAE bit, whatever the
hxxx that is!

sean