GVC TECHNOLOGIES, INC.

NIC-2500

NIC Type      Token Ring
Transfer Rate 4/16Mbps
Data Bus      16-bit ISA
Topology      Token Ring
Wiring Type   Unshielded twisted pair
Boot ROM      Available (in firmware)

[Image]

                             BOOT ROM ADDRESS

      Address         JP1A     JP1B    JP1C     JP1D      JP1E     JP1F

      C0000-C1FFFh    Closed   Open    Open     Open      Open     Open

      C2000-C3FFFh    Closed   Open    Open     Open      Open    Closed

      C4000-C5FFFh    Closed   Open    Open     Open     Closed    Open

      C6000-C7FFFh    Closed   Open    Open     Open     Closed   Closed

      C8000-C9FFFh    Closed   Open    Open     Closed    Open     Open

      CA000-CBFFFh    Closed   Open    Open     Closed    Open    Closed

  »   CC000-CDFFFh    Closed   Open    Open     Closed   Closed    Open

      CE000-CFFFFh    Closed   Open    Open     Closed   Closed   Closed

      D0000-D1FFFh    Closed   Open   Closed    Open      Open     Open

  »   DC000-DDFFFh    Closed   Open   Closed    Closed   Closed    Open

  Note:CC000h or DC000h are the recommended default settings.

                             INTERRUPT REQUEST

           IRQ                      JP2A                    JP2B

  »           2/9                   Open                    Open

               3                    Open                   Closed

               6                   Closed                   Open

               7                   Closed                  Closed

                         SHARED RAM CONFIGURATION

           Size                     JP2C                    JP2D

              8KB                   Open                    Open

  »           16KB                  Open                   Closed

  Note:This setting configures how much system memory the card will use.

                           NETWORK SPEED

              Speed                              JP2E

              4Mbps                              Open

              16Mbps                            Closed

  Note:All cards on a segment must have this option set the same.

                             I/O BASE ADDRESS

                Address                               JP2F

  »                A20h                               Open

                   A24h                              Closed