I put togther a computer with the Intel DP35DP motherboard. Had it running with two separate 1gb 800mhz memory chips. I bought 2 sets and I was only able to get 2 of the 4 to work. Memory had a lifetime warranty so I sent all 4 back in. The company OCZ sent me supposedly 2 matched pairs. Put 1 1gb strip in computer worked. Tried 2 -no go, tried 4 no go. Call Crucial an bought 2 2gb that supposedly gauranteed to work No go. Any suggestions?