先寫封信給他，請他看一下這裡：
http://developer.intel.com/design/P...shts/300561.htm

The Pentium 4 processor on 90 nm process, like its predecessor, the Pentium 4 processor in the 478-pin package, is based on the same Intel 32-bit microarchitecture and maintains the tradition of compatibility with IA-32 software.

或者：pdf 檔案
ftp://download.intel.com/design/Pen...ts/30056101.pdf



又或者，請他看看 WCPUID 或 CPU-Z 裡面的 CPU 資料寫的是什麼。