I would be a BIOS issue with SATA controller setup. You don't say what MB you have, but there may be an option for "AHCI mode" or "Enhanced mode" for the SATA controller in... [by pjwelsh]
on 03/24/2010 – Made popular on 03/24/2010
We have a number of systems running custom-built 2.6.24 kernels on Dell GX280s. This motherboard has a SATA controller and we had the BIOS set for "compatibility mode" instead of "native" so that it could talk to downlevel OSes. The drive itself is a SATA drive.