Hi, the upcoming new version of pbbuttonsd is in CVS. This version got new detection routines for the machine type and the LMU controller. Both use the open firmware device-tree now. Following conditions must be fulfilled for the new detection routines to work: 1. /proc/device-tree must exist 2. i2c-dev kernel module must be loaded (on machines with a LMU). Please test it and give me any feedback. Best Regards Matthias