DIAMOND FLOWER, INC.

DIO-200A

Card Type          Multi I/O
Chipset/Controller National Semiconductor
I/O Options        Game, parallel port, serial ports (2)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

        Purpose           Location           Purpose           Location

  External battery           J1         Serial port 2             J4
  connector

  Serial port 1              J2         Parallel port             J5

  Game port                  J3

                         SERIAL PORT CONFIGURATION

     Port 1 (J4)       Port 2 (J2)      SW2/switch 2       SW2/switch 3

  »       COM1             COM2              On                Off

          COM2             COM3              Off                On

          COM3             COM4              On                 On

        Disabled         Disabled            Off               Off

                      SERIAL PORT INTERRUPT SELECTION

      Port 1 (J4)             SW1/switch 3              SW1/switch 4

  »         IRQ4                   On                       Off

            IRQ3                   Off                       On

                      SERIAL PORT INTERRUPT SELECTION

      Port 2 (J2)             SW1/switch 1              SW1/switch 2

  »         IRQ3                   On                       Off

            IRQ4                   Off                       On

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

      Port 1           Port 2             JP3                 JP2

  »      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'S DTE/DCE CONFIGURATION

   Primary serial port J4    Secondary serial port J2

         Jumper JP4                 Jumper JP1

  [Image]                    [Image]

                          PARALLEL PORT SETTINGS

                LPT                              SW2/switch 1

  »                1                                 Off

                   2                                  On

                         PARALLEL PORT INTERRUPTS

          IRQ                 SW1/switch 5              SW1/switch 6

  »         IRQ7                   Off                       On

            IRQ5                   On                       Off

                            CLOCK CONFIGURATION

                 Clock                            SW2/switch 4

  »               Enabled                              On

                 Disabled                              Off

                          CLOCK INTERRUPT SELECT

             IRQ                  SW2/switch 7           SW2/switch 8

  »             2                     Off                     On

                5                      On                    Off