Originally Posted by superk
I have the m2n32-sli premium vista edition. Its a pretty wicked board with loads of passive cooling, plus a fan which you can mount in different spots to keep the chipset cool. SLI ready, 7Sata + 1Esata, optical audio out, plus the screenduo to monitor temps, manage email, play music, just about anything. Its great. Its got a remote control which can be used to boot up the system from cold start.. Its got loads of toys. I recommend it.
The M2N-SLI is a far cry from the M2N32-SLI, not relevant really.
@ OP the M2N-SLI should serve you fine paired with a X2 5000+ BE as there is little need to increase the HTT greatly.
Having said that it seems to me that the issue does not lie with your mobo but rather than the very few settings required to get your BE where you want it being off a bit.
Keep in mind that just b/c some get their X2 5000+ BE's to point X does not mean yours will reach that. An unlocked multi does not guarantee a great overclock.