hello,
i am building a secondairy rig with some spare parts, the motherboard and cpu will come from an old del optiplex 755, and i got 6 gb of ddr2 ram to put in, but 2 sticks of 2gb and 2 of 1gb, the 2 of 1gb are the same, the 2 of 2gb are different. which sticks should i put it what slot...