Re: [gentoo-user] changed motherboard, no AHCI

[Helmut Jarausch <jarausch@igpm.rwth-aachen.de>]

On 04/21/2012 10:02:26 AM, Philip Webb wrote:
> 120421 pk wrote:
> > On 2012-04-21 04:12, Philip Webb wrote:
> >> It's an Asus P5G41T-M LX & the manual says :
> > the chipset on that mobo is G41 (released in 2008) and it combines
> > with ICH7 which unfortunately doesn't seem to support AHCI.
> 
> That's important to hear, but it can't be a show-stopper,
> as the  3  other Linux distro's I've mentioned have no problem.
> I tried compiling AHCI as [M], which is what Mandriva + Ubuntu do,
> but it makes no difference.  There must be some other setting
> their kernels use to identify the drive, which mine doesn't have set.
> Can anyone suggest what other settings to try ?
> I've looked at their kernel  .config  files, but nothing jumps out.
> 
> At least, I've managed to compile + install a kernel
> in a chroot using System Rescue, which I hadn't done before !
> 

Boot your system e.g. with SystemRescueCD

then do   lspci -k

this shows you which module is in use.
Then build your own kernel with this module.

Helmut.