i am trying to fit older laptop with more memory, have two 256 mg sticks of sodimm one is 100 mghrz one is 133, board has own soldered on memory, so am stuck with it's 64 meg, when I put other then the 128 stick it came with I get an error on boot of pci dll error and it will not boot, cannot get it to fix using windows xp cd, will this maching be best using ubunta, it shipped with millenium on it years ago, all I want it for is running automotive diagnostic obd ll port hacking tools.