i might be setting up a system for somebody, and im looking at this board as a possible option. If i used this board, then i would use the integrated gfx, and i know that i need to allow the board to use onbard ram as video ram. My question is if i get one 512mb stick and one 256mb stick (ddr 333 for both, so i figure i could put 128 towards the gfx card and be left with rest) would i still be using dual channel mode, or would i be forced to use single channel mode?