Source : Free On-Line Dictionary of Computing

Intel 80386DX
     
         A version of the {Intel 80386} with a 32-bit {data
        bus} and 32-bit {address bus}, a BGA.  The 386DX was clocked
        at 16 to 33 MHz by {Intel} and up to 40 MHz by {AMD}.  It
        comes in a {BGA} package.
     
        (2003-07-05)