Thanks

I finally fixed it.
I updated the BIOS to 0802 where the correct naming is shown during post, but it did not make much difference. I then removed every bit and started it outside the case to see if there was contact between the case and the motherboard.
No dice.
Removed every bit, tried different memory etc and ran memtest+, same thing although it took a bit longer for it to freeze.
I was almost ready to get a new board when i ripped my old 7800 GT from my main machine to see if it could be the VGA and bingo. That made the difference. It's been going 100% at BOINC for a day now and it hasn't froze yet.
Looks like the old VGA is going to data heaven.
Now i need to get myself a passive gpu that can play a game or two and i am in heaven.