Repair & Schematics
BBC Micro
Boot Up Diagnostics (BBC Micro)
2min
there are several common issues that you can face when powering up the bbc micro and some of the solutions are listed below this is not a language this is basically the rom or configuration failing to load it can be a simple case of cleaning and re socketing the roms that are installed in the 4 rom slots alternatively it could be the cmos battery on the circuit is dead and needs resetting to do this replace the battery with a fresh one, turn on the micro while holding r to tell it to reset the cmos it will ask you to press break hold f then press and release break the micro should restart and have an asterisk waiting for input type the following to reconfigure the micro back to stock configure lang 12 configure file 9 configure mode 7 press ctrl break to restart and you should be good to go bad fs map if this appears on boot, this is usually again just a poorly socketed rom chip or bad rom