
DECISION COMPUTER INTERNATIONAL CO., LTD.

PCCOM 16-BIT ISA 4-PORT RS-232

Card Type   Serial
Chipset     GoldStar
I/O Options Serial port
Data Bus    16-bit ISA

[Image]

                                CONNECTIONS

               Function                               Label

  Serial ports via DB-37 port                          J1

            Note:Standard DB-25 serial ports are provided on an included
            adapter cable.

                        USER CONFIGURABLE SETTINGS

                  Setting                       Label        Position

     Port 1 enabled                            JP1/H          Open

      Port 1 disabled                           JP1/H         Closed

     Port 2 enabled                            JP2/H          Open

      Port 2 disabled                           JP2/H         Closed

     Port 3 enabled                            JP3/H          Open

      Port 3 disabled                           JP3/H         Closed

     Port 4 enabled                            JP4/H          Open

      Port 4 disabled                           JP4/H         Closed

     Interrupt vector enabled                  JP5/K         Closed

      Interrupt vector disabled                 JP5/K          Open

     Trigger interrupt on low signal            JP9           Open

      Trigger interrupt on high signal           JP9          Closed

                              PORT ADDRESSES

   Setting    JP1/A    JP1/B    JP1/C    JP1/D    JP1/E    JP1/F    JP1/G

      000h    Closed   Closed   Closed   Closed   Closed   Closed   Closed

      008h    Closed   Closed   Closed   Closed   Closed   Closed   Open

      010h    Closed   Closed   Closed   Closed   Closed   Open     Closed

      018h    Closed   Closed   Closed   Closed   Closed   Open     Open

      020h    Closed   Closed   Closed   Closed   Open     Closed   Closed

      2A0h    Open    Closed    Open    Closed   Open     Closed   Closed
      (port
       1)

      2A8h    Open    Closed    Open    Closed   Open     Closed   Open
      (port
       2)

      2B0h    Open    Closed    Open    Closed   Open     Open     Closed
      (port
       3)

      2B8h    Open    Closed    Open    Closed   Open     Open     Open
      (port
       4)

      3D8h     Open     Open     Open     Open    Closed   Open     Open

      3E0h     Open     Open     Open     Open    Open     Closed   Closed

      3E8h     Open     Open     Open     Open    Open     Closed   Open

      3F0h     Open     Open     Open     Open    Open     Open     Closed

      3F8h     Open     Open     Open     Open    Open     Open     Open

            Note:JP1 sets the address for port 1. The settings for JP2
            through JP4 are identical and set the addresses for ports 2
            through 4, respectively.

            A total of 128 base address settings are available. The
            jumpers are a binary representation of the decimal memory
            addresses. JP1/A is the Most Significant Bit and jumper JP1/G
            is the Least Significant Bit. The jumpers have the following
            decimal values: JP1/A=512, JP1/B=256, JP1/C=128, JP1/D=64,
            JP1/E=32, JP1/F=16, JP1/G=8. Open the jumpers and add the
            values of the jumpers that are open to obtain the correct
            memory address. (Open=1, Closed=0)

                             INTERRUPT VECTOR

   Setting        JP5/A       JP5/B       JP5/C       JP5/D       JP5/E

       000h      Closed      Closed      Closed      Closed      Closed

       001h      Closed      Closed      Closed      Closed      Closed

       002h      Closed      Closed      Closed      Closed      Closed

       003h      Closed      Closed      Closed      Closed      Closed

       004h      Closed      Closed      Closed      Closed      Closed

      2BFh       Open       Closed       Open       Closed       Open

       3FBh       Open        Open        Open        Open        Open

       3FCh       Open        Open        Open        Open        Open

       3FDh       Open        Open        Open        Open        Open

       3FEh       Open        Open        Open        Open        Open

       3FFh       Open        Open        Open        Open        Open

                         INTERRUPT VECTOR (CONT)

   Setting        JP5/F       JP5/G       JP5/H       JP5/I       JP5/J

       000h      Closed      Closed      Closed      Closed      Closed

       001h      Closed      Closed      Closed      Closed       Open

       002h      Closed      Closed      Closed       Open       Closed

       003h      Closed      Closed      Closed       Open        Open

       004h      Closed      Closed       Open       Closed      Closed

      2BFh       Open        Open        Open        Open        Open

       3FBh       Open        Open       Closed       Open        Open

       3FCh       Open        Open        Open       Closed      Closed

       3FDh       Open        Open        Open       Closed       Open

       3FEh       Open        Open        Open        Open       Closed

       3FFh       Open        Open        Open        Open        Open

            Note:A total of 1024 vector address settings are available.
            The jumpers are a binary representation of the decimal memory
            addresses. JP5/A is the Most Significant Bit and jumper JP5/J
            is the Least Significant Bit. The jumpers have the following
            decimal values: JP5/A=512, JP5/B=256, JP5/C=128, JP5/D=64,
            JP5/E=32, JP5/F=16, JP5/G=8, JP5/H=4, JP5/I=2, JP5/J=1. Open
            the jumpers and add the values of the jumpers that are open
            to obtain the correct address. (Open=1, Closed=0)

                            INTERRUPT SELECTION

    Setting       JP6CH1/A   JP6CH1/B    JP6CH1/C    JP6CH1/D   JP6CH1/E

      IR/FONT>     Open        Open       Open        Open        Open

        IRQ3       Open        Open       Open        Open        Open

        IRQ4       Open        Open       Open        Open        Open

       IRQ5       Open        Open       Open        Open        Open

        IRQ7       Open        Open       Open        Open        Open

       IRQ10       Open        Open       Open        Open       Closed

       IRQ11       Open        Open       Open       Closed       Open

       IRQ12       Open        Open      Closed       Open        Open

       IRQ14       Open       Closed      Open        Open        Open

       IRQ15      Closed       Open       Open        Open        Open

                        INTERRUPT SELECTION (CONT)

    Setting      JP6CH1/F    JP6CH1/G    JP6CH1/H    JP6CH1/I   JP6CH1/J

      IR/FONT>     Open        Open        Open        Open      Closed

        IRQ3       Open        Open        Open       Closed      Open

        IRQ4       Open        Open       Closed       Open       Open

       IRQ5       Open       Closed       Open        Open       Open

        IRQ7      Closed       Open        Open        Open       Open

       IRQ10       Open        Open        Open        Open       Open

       IRQ11       Open        Open        Open        Open       Open

       IRQ12       Open        Open        Open        Open       Open

       IRQ14       Open        Open        Open        Open       Open

       IRQ15       Open        Open        Open        Open       Open

            Note:JP6CH1 sets the address for port 1. The settings for
            JP6CH2 through JP6CH4 are identical and set the addresses for
            ports 2 through 4, respectively.

                             INTERRUPT ENABLE

     Setting         JP7/A      JP7/B      JP7/C       JP7/D      JP7/E

       IR/FONT>      Open       Open        Open       Open        Open

         IRQ3        Open       Open        Open       Open        Open

         IRQ4        Open       Open        Open       Open        Open

        IRQ5        Open       Open        Open       Open        Open

         IRQ7        Open       Open        Open       Open        Open

        IRQ10        Open       Open        Open       Open       Closed

        IRQ11        Open       Open        Open      Closed       Open

        IRQ12        Open       Open       Closed      Open        Open

        IRQ14        Open      Closed       Open       Open        Open

        IRQ15       Closed      Open        Open       Open        Open

                         INTERRUPT ENABLE (CONT)

     Setting         JP7/F      JP7/G      JP7/H       JP7/I      JP7/J

       IR/FONT>      Open       Open        Open       Open       Closed

         IRQ3        Open       Open        Open      Closed       Open

         IRQ4        Open       Open       Closed      Open        Open

        IRQ5        Open      Closed       Open       Open        Open

         IRQ7       Closed      Open        Open       Open        Open

        IRQ10        Open       Open        Open       Open        Open

        IRQ11        Open       Open        Open       Open        Open

        IRQ12        Open       Open        Open       Open        Open

        IRQ14        Open       Open        Open       Open        Open

        IRQ15        Open       Open        Open       Open        Open

            Note:Jumpers on JP7 should be set to match all the interrupts
            selected with jumpers JP6CH1 through JP6CH4. If multiple
            boards are installed and on the same interrupt, only the
            first board should have JP7 set. Additional boards should
            have JP7 left open.

                                 BUS SPEED

    Setting         JP8/A          JP8/B         JP8/C          JP8/D

     8MHz or        Closed         Open           Open           Open
     slower

    12MHz or         Open         Closed          Open           Open
     slower

    25MHz or         Open          Open          Closed          Open
     slower

    33MHz or         Open          Open           Open          Closed
     faster

