Whya cant Gigabyte just lable their stuff like ASUS
it would be prettyy difficult as the Asus P5E3 Premium WiFi is the 1st asus board to have dual channel GTL ReF settings.

GTLREF1 = cores 0 & 2
GT:REF2 = cores 1 &3
Default values are I think 67% & 63%

luck