odf Crates      mask    subsystem
----------      ----    --------- 
  0-9          0x3ff     EMC   4
   10          0x400     EMT   7  
   11          0x800     DCT   6
   12         0x1000     GLT   8
 13-16       0x1e000     DCH   2
   17        0x20000     IFR   5
 18-20      0x1c0000    DIRC   3
 21-27     0xfe00000     SVT   1
   30     0x40000000     DCZ   6