hello i sent this mail b4,please help me anyone has experice in building mouse driver. i want to develop a mouse driver for linux2.4 on ps/2. What port address i use , i disabled the current driver by kernel compiling and uses base address 0x60 and irq 12 but when i try to load my driver it says invalid irq or io address.kernel souces in /usr/src/linux dont give me much information. please help me. shohel __________________________________ Do you Yahoo!? Win a $20,000 Career Makeover at Yahoo! HotJobs http://hotjobs.sweepstakes.yahoo.com/careermakeover -- Kernelnewbies: Help each other learn about the Linux kernel. Archive: http://mail.nl.linux.org/kernelnewbies/ FAQ: http://kernelnewbies.org/faq/