I'm looking for a Athlon dual core for a A8N-SLI Deluxe. On cpu-world.com it says cpus like the 64X2 4800+ is a 939 socket but everywhere else it says its a AM2. on some websites it tells me my mobo is compatible with athlon 64, 64 x2 , fx , and opteron but the manual says only athlon 64 and FX...