Hi Aditya, Thanks for the info. One more thing. When is the ERR flag set ?! Is it set when the CPU fails ?! My problem is that I need to check if all the CPUs are functional or not. Can I rely on this to give me the info.! Thanks again, Regards, Sandeep Sundaram _____________________________________________ Free email with personality! Over 200 domains! http://www.MyOwnEmail.com