The only compatibility issues that I'm aware of were with PCI-E 2.1 cards and PCI-E 1.0a slots. The additional power requirements were not handled by those motherboards. Typically, this was resolved via a BIOS update, but looking at the available BIOS updates, none specifically state they resolved this issue.
I've seen one response online which states that your motherboard has PCI-E 1.0a. It's difficult to verify, however, as many results are pointing to the second edition of that motherboard: M2V-MX SE.
To my knowledge, it should not be an issue.
This thread seems to support that conclusion.
-Wolf sends