TIARA COMPUTER SYSTEMS, INC.

ETHERTREK NETWORK ADAPTER JUMPER VERSION

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16-bit ISA
Topology      Linear Bus/Star
Wiring Type   Unshielded twisted pair

              AUI Transceiver via DB-15 port

              RG-58A/U 50ohm coaxial
Boot ROM      Available

[Image]

                           CABLE TYPE SELECTION

          Cable Type              JP2 pins 1 & 2        JP2 pins 3 & 4

   Normal unshielded twisted           Open                  Open
             pair

  Reduced squelch unshielded          Closed                Closed
         twisted pair

   AUI Transceiver via DB-15          Closed                 Open
             port

    RG-58A/U 50ohm coaxial             Open                 Closed

                      BASE I/O ADDRESS SELECTION

     Address       JP8 pins 1 & 2    JP8 pins 3 & 4    JP8 pins 5 & 6

     Software           Open              Open              Open

      02C0h            Closed             Open              Open

      0240h             Open             Closed             Open

      0280h             Open             Closed            Closed

      0300h             Open              Open              Open

      0320h            Closed             Open             Closed

      0340h            Closed            Closed             Open

      0360h            Closed            Closed            Closed

                            INTERRUPT SELECTION

     IRQ        JP3 pins 1 &  JP3 pins 3 &   JP3 pins 5 &    JP3 pins 7 &
                     2             4              6               8

     IRQ3         Closed          Open           Open           Open

     IRQ4         Closed          Open           Open          Closed

     IRQ5         Closed          Open          Closed          Open

     IRQ9         Closed          Open          Closed         Closed

    IRQ10         Closed         Closed          Open           Open

    IRQ11         Closed         Closed          Open          Closed

    IRQ12         Closed         Closed         Closed          Open

    IRQ15         Closed         Closed         Closed         Closed

           LINK PULSE CONFIGURATION

        Setting                 JP4

  Link pulse enabled            Open

  Link pulse disabled          Closed

                        COMPATIBILITY CONFIGURATION

                 Setting                    JP5 pins 1 &     JP5 pins 3 &
                                                 2                4

   Channel ready signal generated after         Open            Open
              command signal

   Channel ready signal generated after        Closed           Open
            bus address latch

   I/O 16-bit signal generated after I/O        Open           Closed
        read or I/O write signals

    I/O 16-bit only on address decode           Open            Open

       SOFTWARE/HARDWARE CONFIGURATION

        Setting                 JP6

  Software configured          Closed

  Hardware configured           Open

   BUFFERING MODE CONFIGURATION

     Setting           JP7

  Memory mapped        Open

   I/O mapped         Closed

                       MISCELLANEOUSE TECHNICAL NOTE

  Note: The JP1 Boot ROM Base address configuration is not available from
                             the manufacturer.