i just built my pc and everything went well with following the advice on these forums.but i cant seem to get much better speed out my mem.its running at 800mhz on 4,4,4,12.people who have my memory say they can get a lot over that.as soon as i try it ,it locks out.any ideas what i am doing wrong. i have a bfg680i motherboard,Dominator PC2-6400C3 TwinX (2x1GB) volt set to 2.1.And i have Intel Core 2 DUO E6600 running at 3.2 stable.Any advice would be great cheers.