> as far as I know there are 2 bach's but I have never worked much with > the fans, only how to read them, so not only late answer but also a > crappy one... sorry Maybe you can at least tell us how one can tell the difference between the two revisions? Some register we can read the information in? Thanks. -- Jean Delvare http://www.ensicaen.ismra.fr/~delvare/