samnr33

heres my spec: i7-930 X58A-UD5 HD 5970 Xi-Fi Fatality Kingston Hyper-X 1600 ddr3 6G Corsair TX-850 2 x HDD 1 x DVD RW 7 x Case fans 3 x UV lights Coolmaster Cosmos S i was doing ok before with 3.8GHZ, but now after i've added some more fans and UV tube, i cant oc anymore~ everytime when i try to oc, i got boot failure says "boot failure because of cpu overclock or change of voltage", i really wonder why~ coz adding a few more stuff like that shouldnt affect my psu, since its a 850w psu, it should be more than enough~ can any1 pls give me some advice? heres my oc details: cpu clock 19x BCLK 200 Qpi ratio x36 Qpi link speed 7200 Vcore 1.23 Dram 1.6 Thanks in advance