ZENITH DATA SYSTEMS

LAN16TR-AT

NIC Type      Token-Ring
Transfer Rate 4/16Mbps
Data Bus      16-bit ISA
Topology      Ring
Wiring Type   Unshielded twisted pair

              Shielded twisted pair
Boot ROM      Available

[Image]

  FACTORY CONFIGURED SETTINGS

     Jumper         Setting

      JP1            Unused

            I/O BASE ADDRESS

   Address        SW1/1        SW1/2

  A00 - A0Fh       On            On

  A20 - A2Fh       Off           On

  A40 - A4Fh       On           Off

  A60 - A6Fh       Off          Off

    INTERRUPT REQUEST

   IRQ     SW1/3   SW1/4

    3       On      On

    9      Off      On

   10       On      Off

   11      Off      Off

                  BOOT ROM ADDRESS

     Address            SW1/5             SW1/6

  CC000 - CFFFFh         On                On

  D0000 - D3FFFh         Off               On

  D8000 - D8FFFh         On                Off

  DC000 - DFFFFh         Off               Off

          DMA CHANNEL

  Channel    SW1/7      SW1/8

   DMA0        On        On

   DMA5       Off        On

   DMA6        On        Off

   DMA7       Off        Off

                                 BOOT ROM

                 Setting                               SW1/9

  »                Disabled                              On

                   Enabled                              Off

                           NETWORK SEGMENT SPEED

                Speed                               SW1/10

                4Mbps                                 Off

               16Mbps                                 On

  Note:All cards on the network segment must have this option set the
  same.

                          LLC EPROM CONFIGURATION

                 Setting                               SW1/11

  »             ROM-based LLC                            On

                RAM-based LLC                           Off

  Note:The LLC EPROMs contain the Logic Link Control program. With the
  LLC ROMs disabled, the LLC logic can be

                                CABLE TYPE

                 Type                                 SW1/12

  Unshielded twisted pair (RJ-45 Jack)                 Off

      Shielded twisted pair (DB-9                       On
              Connector)