I had the same problem. 2.74 Ghz, ran sp2004, and found an error within minutes. I wonder how much the x2 4600 will OC on this board.
I use to have one of the 2x 4400+ on this board before I got the render farm but i didn't overclock it much. only to about 2.4ghz. I just didn't want to fri it because of how much I paid for it back then. But I know a 2x 4600 should do 3.0ghz. I dono how much this kinda board would like it though. that kinda cpu needs a tone of power and the MSI bios options for votage are very incremental and limiting..