Major Hardware changes not allowed
That is not exactly true.
Originally Posted by patrick88
XP considers a CPU or Motherboard a Major Hardware change, and the XP OS software would have to be re-licensed.
That is to protect people from installing Microsoft OEM software on another computer, even on the same Model. (Of course there is a work around if you are a pirate)
Chances of the CPU or Motherboard going bad are slim, unless you get a lightning strike. The capacitors on that motherboard do go bad, but can be replaced with better ones. The CMOS battery may need replaced soon.
Sometimes it is cheaper and less hassle to buy a new computer with a new supported OS.