15. Mouse Tail Much of the information for this document has been trawled from the various linux newsgroups. I am sorry I did not keep a record of everyone who has indirectly contributed by this route, thank you all very much. So, to sum up: Even cheap 3 button Microsoft mice can be made to work. Configure your copy of X to expect a Mouse Systems mouse. Hold down the left button at power-on to switch the mouse to MouseSystems mode. You might need to hold the left button down when starting X. Mice are more intelligent than you think.