
OLICOM INTERNATIONAL

OC-3102

NIC Type      Token-Ring
Transfer Rate 4Mbps
Data Bus      16-bit ISA
Topology      Ring
Wiring Type   Shielded twisted pair (DB-9 port)
Boot ROM      Available

[Image]

                                    INTERRUPT REQUEST

   IRQ      SR3A     SR3B     SR3C     SR3D    SR3E     SR3F     SR3G     SR3H     SR3I

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

      3    Closed    Open     Open     Open    Open     Open     Open     Open     Open

      4     Open    Closed    Open     Open    Open     Open     Open     Open     Open

      5     Open     Open    Closed    Open    Open     Open     Open     Open     Open

      6     Open     Open     Open    Closed   Open     Open     Open     Open     Open

      7     Open     Open     Open     Open    Closed   Open     Open     Open     Open

      10    Open     Open     Open     Open    Open     Open     Closed   Open     Open

      11    Open     Open     Open     Open    Open     Open     Open     Closed   Open

      12    Open     Open     Open     Open    Open     Open     Open     Open    Closed

                                DMA CHANNEL

   Channel     SR4A       SR4B      SR4C      SR4D      SR4E       SR4F

     DMA5    Closed      Open      Open     Closed     Open       Open

      DMA6     Open      Closed     Open      Open     Closed      Open

      DMA7     Open       Open     Closed     Open      Open      Closed

                               CLOCK SELECT

                Setting                                SR6

              Onboard clock                    Pins 1 & 2 closed

              System bus clock                  Pins 2 & 3 closed

  Note:If the system's bus clock speed is greater than 8MHz the onboard
  clock must be enabled.

                               BOOT ROM SIZE

           Size                      SR11                   SR12

            8/16KB           Pins 1 & 2 closed       Pins 1 & 2 closed

              32KB            Pins 2 & 3 closed       Pins 1 & 2 closed

              64KB            Pins 2 & 3 closed       Pins 2 & 3 closed

                                 BOOT ROM

                Setting                                SR13

                 Disabled                       Pins 1 & 2 closed

                   Enabled                       Pins 2 & 3 closed

     PRIMARY/ALTERNATE SELECT, I/O BASE ADDRESS, AND BOOT ROM ADDRESS

        Setting           I/O Address        Boot ROM           SR14
                                             Address

         Primary        0A20 - 0A2Fh     D0000 - D7FFFh     Pins 1 & 2
                                                               closed

         Alternate       1A20 - 1A2Fh     D8000 - DFFFFh     Pins 2 & 3
                                                               closed

  Note:If two cards are to be used in a single system, one of the cards
  must be set to primary and the other must be set to alternate.

                             BRIDGE PAL ENABLE

                Setting                                SR15

                 Disabled                       Pins 1 & 2 closed

                   Enabled                       Pins 2 & 3 closed

  Note:If installing two NICs for a bridge configuration, both cards must
  have this option enabled and a other must be set to alternate.

  This jumper is the only jumper that the Micro Channel version has.

