
BOCA RESEARCH, INC.

IO650

Card Type          Serial Card
Chipset/Controller Unidentified
I/O Options        Serial ports (2)
Maximum DRAM       N/A

[Image]

                            CONNECTIONS

        Purpose          Location         Purpose          Location

  Serial port 1            CN1      Serial port 2            CN2

                        SERIAL PORT 1 CONFIGURATION

          COM                 J7/A             J7/B              J4

           COM3            Pins 2 & 3      Pins 1 & 2       Pins 2 & 3
                             closed           closed           closed

            COM1            Pins 1 & 2      Pins 1 & 2       Pins 2 & 3
                             closed           closed           closed

            COM2            Pins 1 & 2      Pins 2 & 3       Pins 2 & 3
                             closed           closed           closed

            COM4            Pins 2 & 3      Pins 2 & 3       Pins 2 & 3
                             closed           closed           closed

          Disabled             N/A             N/A           Pins 1 & 2
                                                               closed

                        SERIAL PORT 2 CONFIGURATION

          COM                 J6/A             J6/B              J5

           COM4            Pins 2 & 3      Pins 2 & 3       Pins 2 & 3
                             closed           closed           closed

            COM3            Pins 2 & 3      Pins 1 & 2       Pins 2 & 3
                             closed           closed           closed

            COM1            Pins 1 & 2      Pins 1 & 2       Pins 2 & 3
                             closed           closed           closed

            COM2            Pins 1 & 2      Pins 2 & 3       Pins 2 & 3
                             closed           closed           closed

          Disabled             N/A             N/A           Pins 1 & 2
                                                               closed

                     SERIAL PORT 1 INTERRUPT SELECTION

      IRQ            J2/A           J2/B          J2/C           J2/D

       IRQ5         Open           Open         Closed          Open

        IRQ3        Closed          Open          Open           Open

        IRQ4         Open          Closed         Open           Open

        IRQ9         Open           Open          Open          Closed

                     SERIAL PORT 2 INTERRUPT SELECTION

      IRQ            J3/A           J3/B          J3/C           J3/D

       IRQ9         Open           Open          Open          Closed

        IRQ3        Closed          Open          Open           Open

        IRQ4         Open          Closed         Open           Open

        IRQ5         Open           Open         Closed          Open

                SERIAL PORT I/O ADDRESS SELECTION/CLOCK SET

    Address      J1/A      J1/B      J1/C      J1/D      J1/E      J1/F
     Pair

      2C0h,    Closed    Closed     Open      Open      Open      Open
       2C8h

       2D0h,     Open      Open     Closed    Closed     Open      Open
       2D8h

       3C0h,     Open      Open      Open      Open     Closed    Closed
       3C8h

