Originally posted by senseless
if you would like to improve your performance, go buy an amd 64 3500.
And where do you propose he put it? In his socket 478 motherboard? Whatever.
Anyways, I agree with other posts in this thread, get some more RAM and get it in pairs to run it in dual channel. I would go with 512MB(2x256) or 1GB(2x512).
The reason you might not have noticed a speed difference is that maybe on your old setup you were running something other than XP. XP takes more resources than other operating systems.