
TIARA COMPUTER SYSTEMS, INC.

TOKEN RING LANCARD*16 AT

NIC Type      Token-Ring
Transfer Rate 4/16Mbps
Data Bus      16-bit ISA
Topology      Ring
Wiring Type   Shielded twisted pair
Boot ROM      Available

[Image]

                            COMPATIBILITY MODE

                  Setting                                JP2

                   Normal                        Pins 2 & 3 Closed

       System uses a Chips & Technologies         Pins 1 & 2 Closed
                    chipset

                                 BOOT ROM

                Setting                                SW1

                 Disabled                       Position 0 (Off)

                  Enabled                        Position 1 (On)

                               NETWORK SPEED

                Setting                                SW2/1

                   4Mbps                               On

                   16Mbps                               Off

    INTERRUPT REQUEST

   IRQ     SW2/7   SW2/8

   2/9      On      On

    3       On      Off

   10      Off      On

   11      Off      Off

                             I/O BASE ADDRESS

           Address                    SW2/9                 SW2/10

       A20-A23h, A30-A3Fh              On                    On

        A24-A27h, A40-A4Fh              On                   Off

        A50-A53h, A60-A6Fh             Off                    On

        A54-A57h, A70-A7Fh             Off                   Off

                             BOOT ROM ADDRESS

     Address        SW2/2       SW2/3      SW2/4       SW2/5      SW2/6

       CC000h        On         On         Off         Off         On

        C0000h        On         On          On         On          On

        C2000h        On         On          On         On         Off

        C4000h        On         On          On         Off         On

        C6000h        On         On          On         Off        Off

        C8000h        On         On         Off         On          On

        CA000h        On         On         Off         On         Off

        CE000h        On         On         Off         Off        Off

        D0000h        On         Off         On         On          On

        D2000h        On         Off         On         On         Off

        D4000h        On         Off         On         Off         On

        D6000h        On         Off         On         Off        Off

        D8000h        On         Off        Off         On          On

        DA000h        On         Off        Off         On         Off

        DC000h        On         Off        Off         Off         On

        DE000h        On         Off        Off         Off        Off

        E0000h       Off         On          On         On          On

        E2000h       Off         On          On         On         Off

        E4000h       Off         On          On         Off         On

        E6000h       Off         On          On         Off        Off

        E8000h       Off         On         Off         On          On

        EA000h       Off         On         Off         On         Off

        EC000h       Off         On         Off         Off         On

        EE000h       Off         On         Off         Off        Off

        F0000h       Off         Off         On         On          On

        F2000h       Off         Off         On         On         Off

        F4000h       Off         Off         On         Off         On

        F6000h       Off         Off         On         Off        Off

        F8000h       Off         Off        Off         On          On

        FA000h       Off         Off        Off         On         Off

        FC000h       Off         Off        Off         Off         On

        FE000h       Off         Off        Off         Off        Off

                               DMA CHANNEL

            Channel                   SW2/11                SW2/12

                5                      On                    On

                 6                      On                    Off

                 7                      Off                   On

         Programmed I/O 1               Off                   Off

      Note 1 :If the NIC is installed into an XT-type PC or the 8-bit
      expansion slot of an AT-type PC,

      the programmed I/O transfer method is automatically used regardless
      of the switch settings.

      This setting does not apply when running under OS/2.

