Keyboard settings are features of the X server. While the X server attempts to make good use of the available hardware, this is not always possible. For example, on some systems the key click is enabled or disabled in the CMOS setup and the X server cannot supply an alternative. Thus, if a setting does not seem to do anything, it is is because it is unsupported by the X server and/or the hardware.
Users can adjust the following settings for the keyboard:
enable/disable autorepeat (If enabled, this feature causes holding down a key to become equivalent to typing it over and over again in rapid succession).
key click volume, which gives audible feedback to the typist when a key is struck.