Im hooking up a pair of Phillips dvd drives in my pc. My Mb specs are on here http://h10025.www1.hp.com/ewfrf/wc/genericDocument?docname=c00260857&cc=us&dlc=en&lc=en&jumpid=reg_R1002_USEN. I hooked them up on the Ide cable and set one as master and the other as slave, but in bios it didnt see two drives. So im puzzled how do I do itright can you help???