Hi all, atm, i've got a Q6600 and 4gb (2x2gb) of PC2-3200 RAM, running happily away, just managed to find 2 x 1gb sticks of PC2-5300. Now will the fact that i'm adding another 2 x 1gb sticks into it cause any problems? Or will it run happily as 6gb (as long as I set the RAM to run at DDR400 speeds (and have 64bit OS installed
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