
SYNAPSE TECHNOLOGIES, INC.

ST/3270 ETHERNET ADAPTER

Card Type             Network Interface Card
NIC Type              Ethernet
Network Transfer Rate Unidentified
Topology              Linear Bus
Wiring Type           Unshielded twisted pair

                      RG-62A/U 93ohm coaxial
Boot ROM              Available
Data Bus              16-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  RG-62A/U 93ohm coaxial        J1     RJ-45 connector               J3

  RJ-45 connector               J2

                        USER CONFIGURABLE SETTINGS

               Function                     Label            Position

  Floppy drive at boot enabled          JP1/pins 3 & 4        Closed

  Floppy drive at boot disabled         JP1/pins 3 & 4         Open

  Ethernet loads IRQ/base I/O address   JP2/pins 1 & 2        Closed

  Ethernet functions disabled           JP2/pins 1 & 2         Open

                  CABLE TYPE SELECTION

            Type                        SW1

  RG-62A/U 93ohm coaxial     Pins 1 & 3, 2 & 4 closed

  Unshielded twisted pair    Pins 3 & 5, 4 & 6 closed

       BOOT ROM CONFIGURATION

     Setting       JP1/pins 1 & 2

     Enabled           Closed

     Disabled           Open

                        BOOT ROM ADDRESS SELECTION

    Address      JP1/pins 9 &   JP1/pins 11    JP1/pins 13    JP1/pins 15
                     10            & 12           & 14           & 16

        C000        Open           Open           Open           Open

        C400        Open           Open           Open          Closed

       C800        Open           Open          Closed          Open

        D000        Open          Closed          Open           Open

        DC00        Open           Open          Closed         Closed

        D400        Open          Closed          Open          Closed

        D800        Open          Closed         Closed          Open

        E000       Closed          Open           Open           Open

        E400       Closed          Open           Open          Closed

        E800       Closed          Open          Closed          Open

        EC00       Closed         Closed         Closed         Closed

                        BASE I/O ADDRESS SELECTION

    Address          IRQ        JP2/pins 3 &  JP2/pins 5 &   JP2/pins 7 &
                                     4             6              8

        300h      IR/FONT>         Open           Open           Open

        300h        IRQ5          Closed          Open           Open

       300h        IRQ10         Closed         Closed         Closed

        300h        IRQ11          Open           Open          Closed

        320h        IRQ10          Open          Closed         Closed

        320h        IRQ11         Closed         Closed          Open

        340h        IRQ10         Closed          Open          Closed

        340h        IRQ11          Open          Closed          Open

                   POLARITY SELECTION

          Setting                       SW2

          Reversed           Pins 1 & 3, 2 & 4 closed

           Normal            Pins 3 & 5, 4 & 6 closed

                         3270 MICROCODE SELECTION

         Setting               JP1/pins 5 & 6          JP1/pins 7 & 8

  3270 microcode enabled           Closed                  Closed

  3270 microcode disabled           Open                    Open

  Note: This function is only available on PROM versions 2.0 and greater.

                             DIAGNOSTIC LED(S)

  LED       Color        Status                    Condition

   D1        Red           Off            Network connection is good

   D1        Red       Unidentified      Network connection in broken

   D2       Green          On               Data is being received

   D2       Green      Unidentified       Data in not being received

   D3      Yellow          Off        Data is being transmitted/received

   D3      Yellow      Unidentified            Data is not being
                                             transmitted/received

