Thank you all!!! Yes, you were right... rbootd is the solution. My Apollo PA-Risc machine is up and running!!! Again, thank you all. -- Pablo Carracedo García Grupo de Física Non Lineal Facultade de Física Universidade de Santiago de Compostela E-15782 Santiago de Compostela, Spain Email: pablo@fmares.usc.es Tfno. +34.981.594.488/13957 http://meteo.usc.es y http://chaos.usc.es