This board only supports 266MHz FSB CPU's (133MHz CPU Clock). That is the
limitation of the VIA KT333 chipset.

Why is it then that VIA says it KT333 supports FBS333?
http://www.via.com.tw/en/apollo/KT333.jsp

And why does other boards with KT333 support FSB333? Am I missing something
here?

TIA
Mike