CPU Bus Speed

If it were that simple.

AMD like Intel, has produced several different versions of some processors.

You need to look up your specific CPU in the AMD technical documents to verify the correct FSB and multiplier.

A good place to start is:

http://www.amd.com/us-en/Processors/ProductInformation/0,,30_118_1260,00.html

Then, you need to take your motherboard and RAM into account.
While the XP 2500 is likely a 266MHz FSB CPU, that only applies if your motherboard uses the correct speed DDR RAM.
If you have SDRAM, your FSB is limited to 133MHz and you need to double the multiplier setting.

Most motherboard manufactures have a supported CPU listing on their support pages.

Chas

I'd like to add the following.

http://tinyurl.com/6nrcz

http://tinyurl.com/3sah2

http://tinyurl.com/248dl - PDF file

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