My system: -MSI > MS-7104 mobo (Duno is good or bad) -Intel > Celeron D 330 2.66Ghz 533FSB -Kingston > DDR PC3200 1024MB -MSI > Radeon 9550 Pro 256MB (core 250Mhz, mem 200Mhz) -PSU > PowerLogic RealPower 300W Well, I'm running stable at 2.85Ghz clock speed for my cpu, but when I tried to make it to 3.06Ghz, my hdd get detected with funny model, and my system cant boot into windows at all. What cause this error? Btw, is there any way to oc my graphic card? ATITool? I'm using Vista Ultimate 32bit. Thanks!