vtt is half of vdimm. its very important and if it gets too high or too low of the vdimm then stuff wount work right. some boards need a vmod to make the vtt right while the dfi nf4 seems to keep it okay by itself. what EMC2 is saying is that if you run 2x512mb ram at >250mhz and then run memtest #8 then the vtt might go off a bit. i think thats what he is sayingOriginally Posted by timpanogos



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