Plea for help!!!

Anyone running P5E3 Premium board (Bios now 0401) with an ASUS EN9800GX2 (or any GX2 board) - I have RMA'd one GX2 already which was allegedly good (according to supplier)...Need to establish if there is an inherent issue with GX2 (or ASUS GX2) and P5E3 Premium....Cheers!