
TTC COMPUTER PRODUCTS

MP-008

Card Type          Serial controller
Chipset/Controller National Semiconductor
I/O Options        Serial ports (4 or 8)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

       Purpose          Location            Purpose            Location

  Serial port 1            J1        Serial port 4                J4

  Serial port 2            J2        RJ-45 bracket                J5
                                     connector (for ports
                                     5 - 8)

  Serial port 3            J3

                         I/O ADDRESS CONFIGURATION

     Address          SW2/1         SW2/2         SW2/3         SW2/4

        100h          Off           Off            On           Off

         140h           On           Off            On           Off

         180h          Off            On            On           Off

         200h          Off           Off           Off            On

         240h           On           Off           Off            On

         280h          Off            On           Off            On

         2C0h           On            On           Off            On

         300h          Off           Off            On            On

         340h           On           Off            On            On

         380h          Off            On            On            On

         3C0h           On            On            On            On

                     INPUT PORT ADDRESS CONFIGURATION

   Address   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
   Range

     140h    Off     Off     Off     On     Off      On     Off     Off
        -
      147h

      100h    Off     Off     Off     Off    Off      On     Off     Off
        -
      107h

      110h    Off     On      Off     Off    Off      On     Off     Off
        -
      117h

      120h    Off     Off     On      Off    Off      On     Off     Off
        -
      127h

      130h    Off     Off     Off     On     Off      On     Off     Off
        -
      137h

      150h    Off     On      Off     On     Off      On     Off     Off
        -
      157h

      160h    Off     Off     On      On     Off      On     Off     Off
        -
      167h

      170h    Off     On      On      On     Off      On     Off     Off
        -
      177h

      180h    Off     Off     Off     Off     On      On     Off     Off
        -
      187h

      190h    Off     On      Off     Off     On      On     Off     Off
        -
      197h

      1A0h    Off     Off     On      Off     On      On     Off     Off
        -
      1A7h

      1B0h    Off     On      On      Off     On      On     Off     Off
        -
      1B7h

      1C0h    Off     Off     Off     On      On      On     Off     Off
        -
      1C7h

      1D0h    Off     On      Off     On      On      On     Off     Off
        -
      1D7h

      1E0h    Off     Off     On      On      On      On     Off     Off
        -
      1E7h

      200h    Off     Off     Off     Off    Off     Off      On     Off
        -
      207h

      210h    Off     Off     On      Off    Off     Off      On     Off
        -
      217h

      220h    Off     Off     On      Off    Off     Off      On     Off
        -
      227h

      230h    Off     On      On      Off    Off     Off      On     N/A
        -
      237h

      240h    Off     Off     Off     On     Off     Off      On     N/A
        -
      247h

      250h    Off     On      Off     On     Off     Off      On     N/A
        -
      257h

      260h    Off     Off     On      On     Off     Off      On     N/A
        -
      267h

      270h    Off     On      On      On     Off     Off      On     N/A
        -
      277h

      280h    Off     Off     Off     Off     On     Off      On     N/A
        -
      287h

      290h    Off     On      Off     Off     On     Off      On     N/A
        -
      297h

      2A0h    Off     Off     On      Off     On     Off      On     N/A
        -
      2A7h

      2B0h    Off     On      On      Off     On     Off      On     N/A
        -
      2B7h

      2C0h    Off     Off     Off     On      On     Off      On     Off
        -
      2C7h

      2D0h    Off     On      Off     On      On     Off      On     Off
        -
      2D7h

      2E0h    Off     Off     On      On      On     Off      On     Off
        -
      2E7h

      2F0h    Off     On      On      On      On     Off      On     Off
        -
      2F7h

      300h    Off     Off     Off     Off    Off      On      On     Off
        -
      307h

      310h    Off     On      Off     Off    Off      On      On     Off
        -
      317h

      320h    Off     Off     On      Off    Off      On      On     Off
        -
      327h

      330h    Off     On      On      Off    Off      On      On     Off
        -
      337h

      340h    Off     Off     Off     On     Off      On      On     Off
        -
      347h

      350h    Off     On      Off     On     Off      On      On     Off
        -
      357h

      360h    Off     Off     On      On     Off      On      On     Off
        -
      367h

               INPUT PORT ADDRESS CONFIGURATION (CONTINUED)

  Address   SW1/1   SW1/2   SW1/3   SW1/4   SW1/5   SW1/6   SW1/7   SW1/8
  Range

  370h -    Off      On      On      On     Off      On      On      Off
   377h

  380h -    Off     Off     Off     Off      On      On      On      Off
   387h

  390h -    Off      On     Off     Off      On      On      On      N/A
   397h

  3A0h -    Off     Off      On     Off      On      On      On      Off
   3A7h

  3B0h -    Off      On      On     Off      On      On      On      Off
   3B7h

  3C0h -    Off     Off     Off      On      On      On      On      Off
   3C7h

  3D0h -    Off     Off      On      On      On      On      On      Off
   3D7h

                             SERIAL PORT INTERRUPT SELECT

  IRQ     SW2/5  SW2/6   SW2/7   SW2/8   SW3/1   SW3/2   SW3/3   SW3/4   SW3/5  SW3/6

  IRQ2    Off     Off     Off     Off     On     Off     Off     Off     Off     Off

  IRQ3    Off     Off     Off     Off     Off     On     Off     Off     Off     Off

  IRQ4    Off     Off     Off     Off     Off    Off      On     Off     Off     Off

  IRQ5    Off     Off     Off     Off     Off    Off     Off      On     Off     Off

  IRQ6    Off     Off     Off     Off     Off    Off     Off     Off      On     Off

  IRQ7    Off     Off     Off     Off     Off    Off     Off     Off     Off     On

  IRQ10   Off     Off     Off     On      Off    Off     Off     Off     Off     Off

  IRQ11   Off     Off     On      Off     Off    Off     Off     Off     Off     Off

  IRQ12   Off     On      Off     Off     Off    Off     Off     Off     Off     Off

  IRQ15    On     Off     Off     Off     Off    Off     Off     Off     Off     Off

  Note: The default interrupt setting is IRQ4.

  FACTORY CONFIGURED SETTINGS

     Switch         Setting

     SW3/7            N/A

     SW3/8            N/A

