Question : Problem: Reinstall XP if I install a second processor?

Hello, I have a XW8200 with one 3.6GHz Xeon processor. I am going to add a second processor and would like to know if I will have reinstall XP for it to be fully utilized.

Thank you

Answer : Problem: Reinstall XP if I install a second processor?

Windows XP supports up to two processors, so you don't have to re-install.
http://support.microsoft.com/kb/888732