DIAMOND FLOWER, INC.

MS-400

Card Type          Multi I/O card
Chipset/Controller Unidentified
I/O Options        Serial ports (4)
Maximum DRAM       N/A

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                            CONNECTIONS

     Purpose         Location         Purpose         Location

  Serial port 3         J1         Serial port 2         J3

  Serial port 4         J2         Serial port 1         J4

                         SERIAL PORT CONFIGURATION

   Port 1    Port 2     Port 3    Port 4     SW1/1     SW1/2      SW1/3
   (J4)       (J3)      (J1)       (J2)

   COM1       COM2      COM3       COM4       Off       Off        Off

   COM2       COM3      COM4       COM5       Off       Off         On

   COM3       COM4      COM5       COM6       Off        On        Off

   COM4       COM5      COM6       COM7       Off        On         On

   COM5       COM6      COM7       COM8       On        Off        Off

   COM6       COM7      COM8       N/A        On        Off         On

   COM7       COM8       N/A       N/A        On         On        Off

   COM8       N/A        N/A       N/A        On         On         On

                       PRIMARY PORT INTERRUPT SELECT

       IRQ            SW2/1         SW2/2         SW2/3         SW2/4

  »      IRQ4          Off           Off            On           Off

         IRQ2           On           Off           Off           Off

         IRQ3          Off            On           Off           Off

         IRQ5          Off           Off           Off            On

                       SECOND PORT INTERRUPT SELECT

       IRQ            SW2/5         SW2/6         SW2/7         SW2/8

  »      IRQ3          Off            On           Off           Off

         IRQ2           On           Off           Off           Off

         IRQ4          Off           Off            On           Off

         IRQ5          Off           Off           Off            On

                        THIRD PORT INTERRUPT SELECT

       IRQ            SW3/1         SW3/2         SW3/3         SW3/4

  »      IRQ4          Off           Off            On           Off

         IRQ2           On           Off           Off           Off

         IRQ3          Off            On           Off           Off

         IRQ5          Off           Off           Off            On

                       FOURTH PORT INTERRUPT SELECT

       IRQ            SW3/5         SW3/6         SW3/7         SW3/8

  »      IRQ3          Off            On           Off           Off

         IRQ2           On           Off           Off           Off

         IRQ4          Off           Off            On           Off

         IRQ5          Off           Off           Off            On

         SERIAL PORT DTE/DCE CONFIGURATION

  Primary serial port J4    Second serial port J3

        Jumper JP7               Jumper JP5

  [Image]                  [Image]

        SERIAL PORT DTE/DCE CONFIGURATION

  Third serial port J1    Fourth serial port J2

       Jumper JP1               Jumper JP2

  [Image]                 [Image]

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

      Port 1          Port 2             JP8                  JP6

  »     Normal        Normal        Pins 1 & 2, 4 &    Pins 1 & 2, 4 & 5,
                                   5, 7 & 8 closed        7 & 8 closed

      Forced True   Forced True     Pins 2 & 3, 5 &    Pins 2 & 3, 5 & 6,
                                   6, 8 & 9 closed        8 & 9 closed

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

      Port 3          Port 4             JP3                  JP4

  »     Normal        Normal        Pins 1 & 2, 4 &    Pins 1 & 2, 4 & 5,
                                   5, 7 & 8 closed        7 & 8 closed

      Forced True   Forced True     Pins 2 & 3, 5 &    Pins 2 & 3, 5 & 6,
                                   6, 8 & 9 closed        8 & 9 closed

  FACTORY CONFIGURED SETTINGS

     Switch         Setting

     SW1/4            N/A