Hi, I've done most of my driver, but I need some load time parameters to be passed to this driver. Under Linux MODULE_PARM() can do this job, how can I do this under FBSD? thanks. CcM --------------------------------- Do You Yahoo!? ×¢²áÊÀ½çÒ»Á÷Æ·ÖʵÄÑÅ»¢Ãâ·ÑµçÓÊ