Hi Gottfried, > Can this bit be ignored/overwritten by the driver in theory? I'm not quite sure, but anyway driver should not ignore/overwrite it to modify the platform's policy, which was decided by OEM and verified. We don't know any regression issue either. > How would you go on contacting the BIOS people working for Lenovo? Sorry, I don't have the contact window to Lenovo BIOS... Thanks, Shane -- To unsubscribe from this list: send the line "unsubscribe linux-ide" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html