LAST EDITED ON Aug-17-01 AT 00:05 AM (GMT)I have a barebones system in but only have an ATA/66 -7200 RPM hard drive WD to hookup to this mainboard DFI that has an UltraDMA/100 transfer rate up to 100MB/sec. This will only slow down the transfer rate to the hard drive? Right?!? Thanks for all the past info. This is sort of a Du... Question