ahci and ICH7?

[Stefan Bethke]

Am 12.12.2009 um 12:39 schrieb Alexander Motin:

> Stefan Bethke wrote:
>> After being very satisfied with ahci(4) on an Intel DG45FC (G45 chipset) with 8-stable, I tried on a box with a Asus P-P5G41 (G41 chipset), but ahci is not attaching.  atapci continues to attach, and I'm wondering whether I'm doing something wrong, the BIOS is misconfigured, or ahci can't talk to ICH7-based AHCIs?  I'm loading ahci from loader.conf.
> 
> There are several types of ICH7. Most of them doesn't support AHCI mode.
> Rare exceptions are ICH7R and ICH7M AFAIR. G41 is low-end desktop
> chipset, which uses low-end ICH7 SB, so usually there is no luck.

Looks like you're right, the BIOS does not offer any configuration option to enable AHCI or RAID functions for the two SATA ports.


Stefan

-- 
Stefan Bethke <stb at lassitu.de>   Fon +49 151 14070811