diags ppmc test program V4.2 5/5/2013
io addr = 378
parport addr 0x378 
Bus Map 
  Board Addr  Type         Ver.
   0        Encoder          5
   1        Unknown          0
   2        Encoder          2
   3        No Board        ff
   4        DAC-16           1
   5        No Board        ff
   6        DIO              2
   7        No Board        ff
   8        DIO              3
   9        No Board        ff
   a        DIO              3
   b        No Board        ff
   c        DIO              3
   d        No Board        ff
   e        No Board        ff
   f        No Board        ff