DIAMOND FLOWER, INC.

DIO-500

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

[Image]

                            CONNECTIONS

        Purpose          Location         Purpose          Location

  Serial port 2            J1       Serial port 1            J3

  Game port                J2       Parallel port            J4

                         SERIAL PORT CONFIGURATION

   Port 1 (J3)        Port 2      SW1/2      SW1/3     SW1/7      SW1/8
                      (J1)

  »      COM1         COM2          On        On         On         On

         COM2         COM3         Off        On         On         On

         COM3         COM4          On        Off        On         On

       Disabled     Disabled       N/A        N/A       Off        Off

                      SERIAL PORT INTERRUPT SELECTION

   Port 1 (J3)        SW2/5         SW2/6         SW2/7         SW2/8

  »      IRQ4          Off           Off            On           Off

         IRQ3          Off            On           Off           Off

         IRQ2           On           Off           Off           Off

         IRQ5          Off           Off           Off            On

                      SERIAL PORT INTERRUPT SELECTION

   Port 2 (J1)        SW2/1         SW2/2         SW2/3         SW2/4

  »      IRQ3          Off            On           Off           Off

         IRQ4          Off           Off            On           Off

         IRQ2           On           Off           Off           Off

         IRQ5          Off           Off           Off            On

               SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION

      Port 1           Port 2             JP1                 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 J3    Secondary serial port J1

         Jumper JP4                 Jumper JP3

  [Image]                    [Image]

                        PARALLEL PORT CONFIGURATION

      Parallel port            LPT            SW1/1            SW1/5

  »        Enabled              1              Off               On

           Disabled             2              On               Off

                     PARALLEL PORT INTERRUPT SELECTION

                 IRQ                                  JP5

  »                 7                                Closed

                    5                                 Open

                          GAME PORT CONFIGURATION

                  Port                                 SW1/4

  »                Enabled                               On

                   Disabled                             Off

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW1/6               N/A