I have bought several amd cpu's, duron 900, athlon 1200 & 1600, and was wondering if the heatsink/fan unit i have will work. I have an amd heatsink/fan from a 1ghz but i can't find it. But i do have a black K^ heatsink with a thermal pad and a AAVID fan 12v .07amps. I have two of these and...