The answer to that depends on what TYPE of drives they are....SCSI, SATA, SSD ...
USE the appropriate drivers....
Specs would help.... is this a second hand machine ?
All the best Brett
The HDDs are SATA-II. This is a machine I had built for me 3 years ago. Here how it is described on the invoice:
Motherboard: GigaByte MA790XT-UD4P AM3 DDR3 790X CrossFire Chipset with Quad PCIE slot SATA RAID MB wGbLAN, USB2.0, IIII 1394, & 7.1 Audio
CPU: AMD Phenom-II X4 965 Black Edition QUadCore CPU
HDD: RAID-1, 2 identical HDD 250GBx2 Sata-II 3.0Gb/s 8mb cache 7200 RPM
Memory: PNY 1x4GB DDR3
Win-7 Home Premium 32-bit