CABLETRON SYSTEMS, INC.

E2100 SERIES

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Star

              Linear Bus

              (Depending on the model)
Wiring Type   Various (Depending on the model)
Boot ROM      Available

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                            MISCELLANEOUS NOTES

  The jumper settings for the entire line of E2100 card are exactly the
  same. To save space we have only listed these settings once instead of
  including a table for each card. The only differences between the
  models are the wiring types and topologies.

            I/O BASE ADDRESS

   Address        JP1A          JP1B

  220 - 23Fh     Closed        Closed

  280 - 29Fh     Closed         Open

  300 - 31Fh      Open         Closed

  380 - 39Fh      Open          Open

                  BOOT ROM ADDRESS AND INTERRUPT REQUEST

        Address               IRQ              JP2A             JP2B

  »       Disabled       Software Select       Open             Open

           C0000h             IRQ3            Closed           Closed

           D0000h             IRQ5             Open            Closed

           E0000h             IRQ7            Closed            Open

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                             DIAGNOSTIC LED(S)

    LED       Color        Status                  Condition

   LED1       Green       Blinking         Data is being transmitted

   LED1       Green         Off          Data is not being transmitted

   LED2        Red        Blinking       Collision detected on network

   LED2        Red          Off                 Normal operation

   LED3       Yellow      Blinking           Data is being received

   LED3       Yellow        Off            Data is not being received

   LED4       Green          On           Card is powered/Twisted pair
                                           network conneciton is good

   LED4       Green         Off         Card is not powered/Twisted pair
                                          network conneciton is broken

   LED5       Green          On            Lower twisted pair network
                                               conneciton is good

   LED5       Green         Off            Lower twisted pair network
                                              conneciton is broken

  Note:On NICs that have twisted pair connectors LED 4 designates the
  state of the connection, while