Thats OK, I looked on the internet and it mentioned these for emachine as well. If they don't fit I will take them to my computer guy and do some swappin. Thanks
The mfg's page (http://www.geil.com.tw/products/list/id/2) says something about that: "pairing up the sticks that work best together under dual channel mode."
So I think you're right, but I'm not enough of a hardware expert to say for sure.