[issue1947] GA-880GM-UD2H (rev. 1.3) AHCI fails to detect disks at the end of the RAID controller

[Francois Tigeot]

On Fri, Dec 31, 2010 at 10:57:10PM +0000, Edward O'Callaghan (via DragonFly issue tracker) wrote:
> 
> Edward O'Callaghan <eocallaghan at auroraux.org> added the comment:
> 
> Well I am not sure, hence providing all the resource materiel for someone more
> well versed in the AHCI spec. I should not that the hardware does not belong to
> me and that this is a smb server I setup for a friend. I do however, have SSH
> into this machine.

The GA-880GM-UD2H is a desktop board; it has no integrated RAID controller.

The advertised RAID feature is a BIOS hack which allows some versions of
Microsoft Windows to use software RAID volumes without too much pain.

AFAIK, FreeBSD had some support to understand the on-disk format of some of
these pseudo-raid volumes :
http://www.unix.com/man-page/FreeBSD/4/ataraid/

-- 
Francois Tigeot