OCEAN INFORMATION SYSTEMS, INC.

ETHERNET-2100 REV. 1.0

NIC Type:      Ethernet
Transfer Rate: 10Mbps
Data Bus:      16-bit ISA
Topology:      Linear Bus
Wiring Type    AUI transceiver via DB-15 port

               RG58A/U 50ohm coaxial
Boot ROM       Available

[Image]

                                WAIT STATE

                Setting                                 W1

  »             0 wait state                           Open

                1 wait state                          Closed

                                CABLE TYPE

                   Type                                 W2-W9

  »         RG-58A/U 50ohm coaxial                Pins 2 & 3 closed

        AUI transceiver via DB-15 port            Pins 1 & 2 closed

                                   DMA CHANNEL

  Channel    W10     W11      W12      W13      W14      W15      W16      W17

  »   DMA   Open    Closed    Open     Open     Open    Closed   Open     Open
      5

      DMA   Closed   Open     Open     Open    Closed   Open     Open     Open
      3

      DMA   Open     Open    Closed    Open     Open    Open     Closed   Open
      6

      DMA   Open     Open     Open    Closed    Open    Open     Open     Closed
      7

                                 BOOT ROM

                 Setting                                W18

  »               Disabled                             Open

                   Enabled                            Closed

                     I/O ADDRESS AND BOOT ROM ADDRESS

    I/O Address       Boot ROM Address         W19              W20

  »       300h             C8000h            Closed            Closed

          320h             CC000h            Closed             Open

          340h             D0000h             Open             Closed

          360h             D4000h             Open              Open

                             INTERRUPT REQUEST

       IRQ            W21            W22           W23           W24

  »      IRQ3         Open         Closed         Open           Open

         IRQ4         Open          Open         Closed          Open

         IRQ5         Open          Open          Open          Closed

         IRQ9        Closed         Open          Open           Open