Jumper / Switch Settings and Definitions

        Product : M2246E


        1) Drive select (drive number setting), CNH6

                                       s=short    o=open 
        Pin pair       1-2   3-4    5-6    7-8    9-10   11-12   13-14
        Drive ID# 1    s      o     o      o       o      o       o 
        Drive ID# 2    o      s     o      o       o      o       o
        Drive ID# 3    o      o     s      o       o      o       o
        Drive ID# 4    o      o     o      s       o      o       o
        Drive ID# 5    o      o     o      o       s      o       o
        Drive ID# 6    o      o     o      o       o      s       o
        Drive ID# 7    o      o     o      o       o      o       s 
                                          
        2) Radial option, CNH6

              Pin pair              15-16
              No gate (radial)        s
              Gate (daisy)            o

        3) Function for motor start control from interface, CNH7

              Pin pair              1-2
               yes                   o
               no                    s

        4) Device type selection, jumper set CNH7
           
              Pin pair            3-4      5-6
              M2246E               s        o
              Other model          o        s
              Other model          o        o

        5) Sector mode setting, CNH7

            Pin pair                 13-14           15-16
            Drive hard sector          o               o
            Controller hard sector     o               s
            (byte clock)
            Controller soft sector     s               o
            (Address mark found)
                                          
        6) Sectors per track setting, CNH7
           (valid only when drive set with hard sector mode)

           Pin pair              7-8     9-10     11-12
           Sectors/track: 16     o        o        o
                          18     o        o        s
                          19     o        s        o
                          32     o        s        s
                          34     s        o        o
                          35     s        o        s
                          64     s        s        o
                          65     s        s        s 

                                          

        7) Ready LED control, CNH5
              Pin pair                             15-16
              Alway enabled                          o
              Enabled when drive is selected         s
                                          
                                          00 N81N         ......................... ... ...-....1200 N81N