XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors http://answers.microsoft.com/en-us/wind ... f93beb54e0 XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors XP Professional supports multiple processors