I have 2 computers sittin around, wanna put Kingston and Samsung, (both 128 MB) in 1, and a 64 MB Siemens and one that says "Replace with Compaq spare Memory DIMM 64 MB" ( I assume it's 64MB) in the other. Are these paired up brands compatibe? The 128 MB set is going into a compaq, the 64 MB set is going into a gateway. I think both operating systems are 98 SE, I know 1 is for sure.