What your motherboard can support can be basically determined from

  • the socket it has
  • the FSB it can support


The most pain-free way to get at such info could be by following the steps:

Click Start > Run.. (or just press and hold Windows button on the keyboard and tap "R") > type "dxdiag" without quotation marks and hit Enter. Preferable click "no" in the dialog box that pops up next but clicking yes won't change much, it just may take more time to get where we want. You'll eventually see some panel like this:



System manufacturer is your mobo brand where as system model is the mobo model.

Then you go to your manufacturers website and find your mobo, you'll see the specifications of your mobo there, which leads us to what you can upgrade with that PC without having to change the mobo (if possible, that is).