Hi, i created the module with the basic function, the lkmp also help me, end everything work, but now i want to understand how to use my leds on parallel port creating a new char driver. Thanks to all Claudio Fiorini -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/