Neřeš to.
http://www.tvfreak.cz/forum/showthread.php?t=10323"Based on Intel ICH5/6/7(R) controller specification, when the SATA ports that is provided by ICH5/6/7(R) works at non-RAID mode, you don't need to install specific device driver. OS will report SATA HDD works at UDMA(5) mode, but in fact, the SATA HDD will work in standard SATA mode."