My mobo supports
ICH5R South Bridge:
-2 x UltraDMA 100/66/33
-2 x Serial ATA, RAID 0,1 function
Promise 20378 RAID controller:
-1 x UltraDMA 133 support two hard drives
-2 x Serial ATA
-RAID 0, RAID 1, RAID 0+1, Multiple RAID
I want a HDD with Ultra ATA/133...