Hi Vamsi: I am also a newbie:) IMHO rdmsr and wrmsr would be able to access the MSR, or, am I making a stupid mistake here? Hi Manav: I cannot find such an option in my kernel configuration, which version of Linux are you currently using? Thank you very much for the rapid reply! Regards, Yang -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/