Ok. You're looking at your Athlon ok look at the top line on the core. This is what it will look like:
A1000AM51
C
Now, you'll see the letter bolded (the last letter). If that letter is a B, then it's a 200fsb Athlon. If it's a C, like in the example I gave, then it's a 266fsb Athlon. Understand?
