MAGNITRONICS

B232 MINI 2S1P

Card Type               Multi-I/O card
Chip Set                Unidentified
Maximum Onboard Memory  Unidentified
I/O Options             Serial ports (2 RS-232), Parallel port
Hard Drives supported   None
Floppy drives supported None
Data Bus                8-bit ISA
Card Size               Half-length

[Image]

                                CONNECTIONS

          Function            Label            Function             Label

  Serial port 1                CN1     25-pin parallel port         CN3

  Serial port 2                CN2

     PARALLEL PORT ADDRESS SELECTION

       Setting              JP1/E

     LPT2 (378h)      Pins 2 & 3 closed

     LPT3 (278h)      Pins 1 & 2 closed

      Disabled               Open

                      SERIAL PORT 1 ADDRESS SELECTION

     Setting         JP1/A         JP1/B          JP!/C         JP1/D

   COM1 (3F8h)     Pins 1 & 2       Open          Open           Open
                    closed

   COM2 (2F8h)       Open        Pins 1 & 2       Open           Open
                                   closed

   COM3 (3E8h)       Open           Open        Pins 1 & 2       Open
                                                 closed

   COM4 (2E8h)       Open           Open          Open        Pins 1 & 2
                                                                closed

    Disabled         Open           Open          Open           Open

                      SERIAL PORT 2 ADDRESS SELECTION

     Setting         JP1/A         JP1/B          JP!/C         JP1/D

   COM1 (3F8h)     Pins 2 & 3       Open          Open           Open
                    closed

   COM2 (2F8h)       Open        Pins 2 & 3       Open           Open
                                   closed

   COM3 (3E8h)       Open           Open        Pins 2 & 3       Open
                                                 closed

   COM4 (2E8h)       Open           Open          Open        Pins 2 & 3
                                                                closed

    Disabled         Open           Open          Open           Open

    SERIAL PORT 1 INTERRUPT SELECTION

         IRQ                JP2/A

        IRQ4          Pins 2 & 3 closed

        IRQ3          Pins 1 & 2 closed

    SERIAL PORT 2 INTERRUPT SELECTION

         IRQ                JP2/B

        IRQ3          Pins 1 & 2 closed

        IRQ4          Pins 2 & 3 closed

    PARALLEL PORT INTERRUPT SELECTION

         IRQ                JP2/C

        IRQ7          Pins 1 & 2 closed

        IRQ5          Pins 2 & 3 closed