I have a inspiron 8100 a 1.2ghz..and now when it is running on batteries and i rght click on my computer and go to properties it shows two cpus twice??? what is that..it shows it as 1200mhz and then below 797mhz? Im really confussed it is a 1.2ghz processor. Also when it is running on AC and i do the same it shows the cpu at 1200mhz and then below 597mhz..??? Id thought something wasnt right so i refereshed the screen as i had just put the laptop on and then it showed 797mhz...can anyone explain this plz??