Source : Free On-Line Dictionary of Computing

hard-wired
     
        1.  An aspect of an electronic circuit which is
        determined by the wiring of the hardware, as opposed to being
        programmable in software or controlled by a switch.
     
        2.  In software, a synonym for {hard-coded}.
     
        3. By extension, anything that is not modifiable, especially
        in the sense of customisable to one's particular needs or
        tastes.
     
        [{Jargon File}]
     
        (1999-10-18)