ZENITH DATA SYSTEMS

LN-90

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      8-bit ISA/16-bit ISA
Topology      Linear Bus

              Star
Wiring Type   RG-58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Not available

[Image]

                             CABLE TYPE

               Type                            E3/A-G

      RG-58A/U 50ohm coaxial              Pins 1 & 2 closed

  AUI transceiver via DB-15 port          Pins 2 & 3 closed

                     HEARTBEAT FUNCTION CONFIGURATION

                  Mode                                   E6

  »       Heartbeat function enabled             Pins 1 & 2 closed

         Heartbeat function disabled             Pins 2 & 3 closed

                       DATA TRANSFER SIZE SELECTION

                  Size                                  E8

  »                16-bit                       Pins 1 & 2 closed

                    8-bit                       Pins 2 & 3 closed

             INTERRUPT SELECTION

          IRQ                    E1

          2/9            Pins 1 & 2 closed

           3             Pins 3 & 4 closed

           4             Pins 5 & 6 closed

           5             Pins 7 & 8 closed

           6             Pins 9 & 10 closed

           7            Pins 11 & 12 closed

          10            Pins 13 & 14 closed

          11            Pins 15 & 16 closed

          12            Pins 17 & 18 closed

          13            Pins 19 & 20 closed

          14            Pins 21 & 22 closed

                             BASE I/O ADDRESS

                Address                                E2

  »                 220h                 Pins 1 & 2, 3 & 4, 5 & 6 closed

                    228h                    Pins 1 & 2, 3 & 4, closed

                    230h                    Pins 1 & 2, 5 & 6 closed

                    238h                        Pins 1 & 2 closed

                    240h                    Pins 3 & 4, 5 & 6 closed

                    248h                        Pins 3 & 4 closed

                    250h                        Pins 5 & 6 closed