MADGE NETWORKS, LTD.

SMART 16/4 AT BRIDGENODE

NIC Type      Token Ring
Transfer Rate 4/16 Mbps
Data Bus      16-bit ISA
Topology      Ring
Wiring Type   AUI trasceiver via DB-15 port

              Shielded twisted pair

              Unshielded twisted pair
Boot ROM      Available

[Image]

                               INTERRUPT SELECT

      IRQ       SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8

  »    IRQ3      Off     Off     Off     Off    Off     Off      On     Off

      IR/FONT>   Off     Off     Off     Off    Off     Off     Off      On

       IRQ5      Off     Off     Off     Off    Off      On     Off     Off

       IRQ7      Off     Off     Off     Off     On     Off     Off     Off

       IRQ10     Off     Off     Off     On     Off     Off     Off     Off

       IRQ11     Off     Off     On      Off    Off     Off     Off     Off

       IRQ12     Off     On      Off     Off    Off     Off     Off     Off

       IRQ15     On      Off     Off     Off    Off     Off     Off     Off

  Note: Switch 1 is a slide switch, which allows only one position to be ‘on’
  at a given time.

                              ADDRESS SELECT

     I/O Address           Base Memory         SW2/1           SW2/2
                            Address

  »    0A20 - 02AFh      CC00O - CDFFFh         On               On

       1A20 - 1A2Fh      DC000 - DDFFFh         Off              On

       2A20 - 2A2Fh      CE000 - CFFFFh         On              Off

       3A20 - 3A2Fh      DE000 - DFFFFh         Off             Off

                                 BOOT ROM

                 Setting                               SW2/3

  »                Disabled                             Off

                   Enabled                               On

                               BUSMASTER DMA

                 Setting                               SW2/4

  »                Enabled                               On

                   Disabled                             Off

                              BUS AUTODETECT

                  Setting                                SW2/5

  »                  Enabled                              On

              Disabled(Force 8-bit)                       Off

                             BUS COMPATABILITY

                  Setting                               SW2/6

  »          Normal AT bus timing                        On

            Alternative bus timing                       Off

                               CLOCK SOURCE

                  Setting                               SW2/7

  »             Asynchronous bus                         Off

                Synchronous bus                           On

                            DATA TRANSFER RATE

                Setting                                SW2/8

  »                 4Mbps                               On

                   16Mbps                               Off

                            DMA CHANNEL SELECT

      DMA           SW3/1          SW3/2          SW3/3          SW3/4

  »       5          Off            Off            On             Off

          1           On            Off            Off            Off

          3          Off             On            Off            Off

          6          Off            Off            Off            On

  Note: Switch 1 is a slide switch, which allows only one position to be
  ‘on’ at a given time.

                      TWISTED PAIR CABLE TYPE SELECT

                Setting                                LB1

         Shielded twisted pair          [Image]

        Unshielded twisted pair         [Image]

  Note: Jumper LB1 is used with a link block pictured above. Remove the
  block and replace with arrow in up or down position, depending on cable
  type.