
BRAIN BOXES

AT TRIPLE RS232

Card Type Serial card
Chip Set  Unidentified
Data Bus  8-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  9-pin serial port 1          CN1     9-pin serial port 3          CN3

  9-pin serial port 2          CN2

                      SERIAL PORT 1 ADDRESS SELECTION

      COM port            Address             IRQ               J1

          COM1              3F8h             IRQ4           Pins 1 & 2
                                                              closed

         COM2              2F8h             IRQ3           Pins 3 & 4
                                                              closed

          COM3              3E8h             IRQ3           Pins 5 & 6
                                                              closed

          COM4              2E8h             IRQ3           Pins 7 & 8
                                                              closed

          COM5              1A0h             IRQ3           Pins 9 & 10
                                                              closed

          COM6              1A8h             IRQ3          Pins 11 & 12
                                                              closed

          COM7              1B0h             IRQ3          Pins 13 & 14
                                                              closed

          COM8              1B8h             IRQ3          Pins 15 & 16
                                                              closed

                      SERIAL PORT 2 ADDRESS SELECTION

      COM port            Address             IRQ               J2

          COM1              3F8h             IRQ4           Pins 1 & 2
                                                              closed

          COM2              2F8h             IRQ3           Pins 3 & 4
                                                              closed

         COM3              3E8h             IRQ3           Pins 5 & 6
                                                              closed

          COM4              2E8h             IRQ3           Pins 7 & 8
                                                              closed

          COM5              1A0h             IRQ3           Pins 9 & 10
                                                              closed

          COM6              1A8h             IRQ3          Pins 11 & 12
                                                              closed

          COM7              1B0h             IRQ3          Pins 13 & 14
                                                              closed

          COM8              1B8h             IRQ3          Pins 15 & 16
                                                              closed

                      SERIAL PORT 3 ADDRESS SELECTION

      COM port            Address             IRQ               J3

          COM1              3F8h             IRQ4           Pins 1 & 2
                                                              closed

          COM2              2F8h             IRQ3           Pins 3 & 4
                                                              closed

          COM3              3E8h             IRQ3           Pins 5 & 6
                                                              closed

         COM4              2E8h             IRQ3           Pins 7 & 8
                                                              closed

          COM5              1A0h             IRQ3           Pins 9 & 10
                                                              closed

          COM6              1A8h             IRQ3          Pins 11 & 12
                                                              closed

          COM7              1B0h             IRQ3          Pins 13 & 14
                                                              closed

          COM8              1B8h             IRQ3          Pins 15 & 16
                                                              closed

                         SERIAL PORT IRQ SELECTION

         IRQ                JP1              JP2                JP3

          IRQ2          Pins 11 & 12     Pins 11 & 12       Pins 11 & 12
                          closed            closed            closed

          IRQ3          Pins 9 & 10       Pins 9 & 10       Pins 9 & 10
                          closed            closed            closed

         IRQ4           Pins 7 & 8       Pins 7 & 8         Pins 7 & 8
                          closed            closed            closed

          IRQ5           Pins 5 & 6       Pins 5 & 6         Pins 5 & 6
                          closed            closed            closed

          IRQ6           Pins 3 & 4       Pins 3 & 4         Pins 3 & 4
                          closed            closed            closed

          IRQ7           Pins 1 & 2       Pins 1 & 2         Pins 1 & 2
                          closed            closed            closed

          IRQ10         Pins 13 & 14     Pins 13 & 14       Pins 13 & 14
                          closed            closed            closed

          IRQ11         Pins 15 & 16     Pins 15 & 16       Pins 15 & 16
                          closed            closed            closed

          IRQ12         Pins 17 & 18     Pins 17 & 18       Pins 17 & 18
                          closed            closed            closed

          IRQ14         Pins 19 & 20     Pins 19 & 20       Pins 19 & 20
                          closed            closed            closed

          IRQ15         Pins 21 & 22     Pins 21 & 22       Pins 21 & 22
                          closed            closed            closed

  Note: JP1 controls COM1. JP2 controls COM2. JP3 controls COM3.

