hey guyz i've been worry these days i have found a processor Core 2 duo e8400 3.0 ghz and i want to replace it with my old pentium 4 3.0ghz please tell me if it can replace it and i heard its a little bit good and i have found it in an cheap rate and also Pentium G6950 now the problem is don't know if my mobo can support it have an old dell 745 sff mobo i didn't upgraded it to a new mobo kindly guide me which thing i have to do buy a new mobo or any thing but the shopkeeper says it will replace but i don't know that it will replace with a Core 2 duo E8400 Thank u guyz a help would be thankful