
OLIVETTI

NCU 9172 TYPE 1 (G0552)

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

[Image]

                        CONNECTIONS

  Purpose                               Location

  Shielded twisted pair port              PORT1

                             USER CONFIGURABLE

                 Purpose                      Location         Setting

     Factory configured - do not alter        SW2/1             N/A

       BASE I/O ADDRESS SELECTION

   Address        SW2/9        SW2/10

  A20h, A30h       Off          Off

  A24h, A40h       On           Off

  A50h, A60h       Off           On

  A54h, A70h       On            On

                            INTERRUPT SELECTION

            IRQ                     SW2/7                   SW2/8

             2/9                    On                      On

               3                     On                      Off

              10                     Off                     On

              11                     Off                     Off

                           DMA CHANNEL SELECTION

            Channel                   SW2/11                SW2/12

                5                      On                    On

                 6                      On                    Off

                 7                      Off                   On

          Programmed I/O                Off                   Off

                          BIOS ADDRESS SELECTION

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

        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

       CC000h        On         On         Off         Off         On

        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

                          BOOT ROM CONFIGURATION

                 Setting                                 SW1

                  Disabled                              On

                    Enabled                              Off

                        COMPATIBILITY CONFIGURATION

                  Setting                                SR2

                  Standard                       Pins 2 & 3 closed

             Chips & Technologies                 Pins 1 & 2 closed

