sbus@41 = system board 0, sysio 1


                          4           1
                    ___|___   __|___
                   |             | |            |
                0 1      0 0  0 0      0 1
                       -   ------   -
           _____|           |            |____________
          1 = I/O     system      sysio number
          0 = proc   board        0 = top 2 slots
                           number      1 = bottom 2 slots


                          System
                          Board  sysio 0  sysio 1
                          0      /sbus@40 /sbus@41
                          1      /sbus@44 /sbus@45
                          2      /sbus@48 /sbus@49
                          3      /sbus@4c /sbus@4d
                          4      /sbus@50 /sbus@51
                          5      /sbus@54 /sbus@55
                          6      /sbus@58 /sbus@59
                          7      /sbus@5c /sbus@5d
                          8      /sbus@60 /sbus@61
                          9      /sbus@64 /sbus@65
                          10     /sbus@68 /sbus@69
                          11     /sbus@6c /sbus@6d
                          12     /sbus@70 /sbus@71
                          13     /sbus@74 /sbus@75
                          14     /sbus@78 /sbus@79
                          15     /sbus@7c /sbus@7d

               Examples:
               /sbus@40,0/qec@0,2000/qe@0,0
                            --             -
                              |               |
                        system         slot 0
                        board 0

               /sbus/@40,0/QLCG,isp@0,10000/sd@0,0

stephane.petit@central.sun.com