Ah. The grub.conf file had not been changed properly. I was picking up default 1 and not 0. No problems with modules now but I don't get any sound using aplay. I guess I need to muck about with the mixer. Many thanks to all. regards -- Dave Houghton djh@dmu.ac.uk System Manager Faculty of Humanities Work Tel. No. 0116 2506125 Clephan Building, Room 0.35 De Montfort University Leicester LE1 9BH