UPDATE: Its stable with 1340 FSB (3015Mhz) and 893 Mhz MEM. Memory voltage is put up to 2.1 v and CPU voltage at 1.2875 V. Should i adjust these anymore? How do i adjust the northbridge voltage in the bios? i dont see any option in the bios. I only see CPU Core, CPU FSB, Memory, and nforce SPP in the system voltages in the bios.