
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

