Anyone having problems running high speed RAM ? tried my new aXeRAM DDR2-1200+ and Patriot DDR2-1150 and no go at high (1100+ speeds) ...what gives and I am using 16.B09 BIOS too - would official 14 be good for clockimng a Celeron 420 w/ high speed RAM - getting the MARS board by the way... for benching