isa bus

1 definition found

isa bus - Free On-line Dictionary of Computing (26 May 2007) :

  Industry Standard Architecture
  AT bus architecture
  ISA bus
  
     <architecture, standard> (ISA) A bus standard for IBM compatibles
      that extends the XT bus architecture to 16
     bits.  It also allows for bus mastering although only the
     first 16 MB of main memory is available for direct access.
     In reference to the XT bus architecture it is sometimes
     referred to as "AT bus architecture".
  
     Compare EISA, MCA.
  
     (1996-06-25)