2 x 2gb + 2x 1gb Is this ram setup dual channel?

Sagar_20

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My pc has 4 DIMMs. Now suppose that I put in two sticks of 2gb ddr3 memory in the two adjacent DIMMs and two sticks of 1 gb ddr3 memory in the another two adjacent DIMMs, then it will 6 gb in dual channel??

I think the mb is H55
 
Solution
maybe not in dual channel. Look at the manual as to which memory slots are paired(for dual channel). usually it's not adjacent slots, so you may have to put it in like 1Gb, 2GB, 1GB, 2GB n the slots.