Just build a new computer and trying to oc but Bio does not recogize hard drive once FSB is set to 203. At 201 and 202 computer boots fine but once FSB is set to 203, computer wont boot. try playing with all the setting in bio setup but no success. this WD 37G 10K rpm HD is plug in sata 1 with two cd drive in ide 1. only 1 hd on computer.. that's are your setup. suggestion.......