forgot something. There is a really good documentation and links at: http://www.gentoo.org/doc/en/gentoo-sparc-obpreference.xml And without any warranty " to reset the OBP to its defaults, turn box off, press and hold stop-n and turn the box back on, when the keyboard beeps, the OBP has been reset to its defaults. To run full diagnostics on a box with a keyboard, press and hold stop-d then turn on the box. " Regards Daniel