GATEWAY COMMUNICATIONS, INC.

G/ETHERNET 16 ADAPTER (NATIONAL CHIPSET)

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

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

              AUI transceiver via DB-15 port

              Shielded

              Unshielded twisted pair
Boot ROM      Available

[Image]

                                CABLE TYPE

                   Type                              JP4A - JP4D

  »         RG-58A/U 50ohm coaxial                     Closed

        AUI transceiver via DB-15 port                  Open

                            COMPATIBILITY MODE

                  Setting                                JP5

  »            Normal operation                   Pins 1 & 2 Closed

              Compatibility mode                  Pins 2 & 3 Closed

  Note:If the system locks up, experiances boot failures, or continues
  network error messages then use the

                                         INTERRUPT REQUEST

   IRQ      JP6      JP7      JP8      JP9     JP10     JP11     JP12     JP13     JP14     JP15

  »   3     Open    Closed    Open     Open    Open     Open     Open     Open     Open     Open

      2/9  Closed    Open     Open     Open    Open     Open     Open     Open     Open     Open

      4     Open     Open    Closed    Open    Open     Open     Open     Open     Open     Open

      5     Open     Open     Open    Closed   Open     Open     Open     Open     Open     Open

      6     Open     Open     Open     Open    Closed   Open     Open     Open     Open     Open

      7     Open     Open     Open     Open    Open     Closed   Open     Open     Open     Open

      10    Open     Open     Open     Open    Open     Open     Closed   Open     Open     Open

      11    Open     Open     Open     Open    Open     Open     Open     Closed   Open     Open

      12    Open     Open     Open     Open    Open     Open     Open     Open    Closed    Open

      15    Open     Open     Open     Open    Open     Open     Open     Open     Open    Closed

                             I/O BASE ADDRESS

       Address            SW1/1        SW1/2        SW1/3        SW1/4

  »      2A0h-2BFh         On           Off          On           On

         280h-29Fh         On           On           On           On

         2C0h-2DFh         On           On           Off          On

        2E0h-2FFh 1        On           Off          Off          On

         300h-31Fh         On           On           On           Off

         320h-33Fh         On           Off          On           Off

         340h-35Fh         On           On           Off          Off

        360h-37Fh 1        On           Off          Off          Off

      Note 1 :Not valid when controller uses boot ROM with part number
      83020036-05 or greater.

                             BOOT ROM ADDRESS

             Address                    SW1/5                SW1/6

  »         CC000-CFFFFh                 Off                  Off

            C0000-C3FFFh                  On                   On

            C4000-C7FFFh                 Off                   On

            C8000-CBFFFh                  On                  Off

                            MISCELLANEOUS NOTES

  Different drivers must be used for the National & the Fujitsu chipset
  cards, they are not interchangeable.