http://developer.intel.com/design/P.../qit/update.pdf

這個？
9. These processors will not be validated in Dual Processor (DP) applications.
The “E” and “B” designators distinguish between Pentium® III processors with the same core frequency but different
system bus frequencies and/or cache implementations.
B = 133 MHz System Bus

它的意思是講同頻率的CPU還有分100外頻跟133外頻

你要拿來組雙CPU當然是不行
而不是說P-!!!有不能執行Dual Processor的