OK help here if anyone can plz! Ok i have a p4630 oc @ 3858 (255mhz), 2 gb corsair pc4300, 74 gb raptor SATA, 160 seagate ide, radeon x800 xl. heres my problem when i try to OC past 255mhz it never finds the SATA drive to boot from says "select bootable device" but it runs and boots fine @ 255 and under. anyone know why it does this or how i can fix this? thx plz help