I might get a nForce 4 SLI Motherboard that supports AMD 64 FX, and other AMD socket 939 processors and the cooling fans i was looking at were specifically for one type of processors, i couldnt find any sockey 939 but i did find a"Glacialtech Igloo 7700MC athlon 64"and a "Glacialtech Igloo 7300 (L) athlon 64". now the processor im getting is gonne be either a"AMD-RETAIL ATHLON 64 X2 ADA4200BVB0X 4200+ 2.2 GHZ CPU 512KB L2 CACHE SOCKET 939" or a 3800+ with only 2.0 ghz so i think im getting the 4200+ but im still not sure. will the fan fit on my processor? if it is for amd athlon 64 and mine is a amd athlon 64X2? your help will be much appreaciated.