how do i change my memory timing from 5-5-5-18 to 4-4-4-12?

Question

need step by step instructions please

mother board nvidia nforce 680 i sli. ram . crucia balistix 2g epp

Answer 1

It really depends whether your RAM module is capable of that timing, whether your motherboard's BIOS provides full tweaking options and whether you understand what you are about to do. Otherwise, you might just get the BSOD and you might panic.