x x    <*> 8250/16550 and compatible serial support                     x x   
  x x    [*]   Console on 8250/16550 and compatible serial port           x x   
  x x    (4)   Maximum number of 8250/16550 serial ports                  x x   
  x x    (4)   Number of 8250/16550 serial ports to register at runtime   x x   
  x x    [ ]   Extended 8250/16550 serial driver options                  x x   
  x x    --- Non-8250 serial port support                                 x x   
  x x    < > Digi International NEO PCI Support                           x x