You could also try forcing the drives to run in SATA 1.5gbps mode (SATA/150). Some old SATA controllers doesn't support auto-negotiations and this might cause slowdowns or even errors with the drives.

http://seagate.custhelp.com/cgi-bin/seagat...p?p_faqid=3178&

This post has been edited by d3x: May 22 2008, 01:23 AM