This Board have Problems with 2x2GB RAM.
And when you are the 1:2 dividier for the RAM have it was very strong for this MB.
With the new Bios 0601 i can run with my E8600 and 2x2 GB CSX Diablos FSB@540x8 and the RAM works @1800 (3:5 400 Strap) fine with 7-7-7-21 2T.
My NB works at 1,46V.