In Windows XP and Windows 2003 WMI might detect the incorrect processor.
This is a known problem, please check the following Microsoft knowledgebase article to resolve this problem:
http://support.microsoft.com/kb/953955
The Win32_Processor class returns the incorrect Name property for the processors on a computer that is running Windows XP or Windows Server 2003 and the computer has Intel Core 2 Duo processors installed
