AMD Factory has mislabeled processors. Processors that were labeled to be 333 FSB are actually 266 FSB. This is a problem with current stock. If you received your processor before about December 23, you likely have the correct processor. Just in case, we have photos of the incorrect (i.e. 266 FS
processors on the left, and the correct (i.e. 333 FS
processors on the right. Click the images to enlarge the photos.
Check the links below to see whether you have the correct procecessor or not.
Incorrect CPU
Correct CPU
News Source
Threaded Mode