Can you paste the output of "fdisk -l /dev/sda" and "hdparm -I /dev/sda | head -30" of the 500GB Seagate disk? You did install Ubuntu 10.04 server 64bit, right?
Can you paste the output of "fdisk -l /dev/sda" and "hdparm -I /dev/sda | head -30" of the 500GB Seagate disk? You did install Ubuntu 10.04 server 64bit, right?