
COMPUTONE CORPORATION

VALUEPORT V4

Card Type   Serial
Chip Set    Unidentified
I/O Options Serial ports (4)
Data Bus    8-bit ISA

[Image]

                                CONNECTIONS

               Function                               Label

  Serial ports via DB-37 port                          CN1

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

                        USER CONFIGURABLE SETTINGS

                  Setting                       Label        Position

     Interrupt sharing disabled                SW1/9           On

      Interrupt sharing enabled                 SW1/9           Off

     Factory configured - do not alter        SW1/10           Off

                     SERIAL PORT ADDRESSES/INTERRUPTS

   Option       Port 1      IRQ      Port 2       IRQ    Port 3   Port 4

        1        3F8h        4         2F8h        3      1B0h     1B8h
               (COM1:)               (COM2:)

        2        3F8h        4         2F8h        3      2B0h     2B8h
               (COM1:)               (COM2:)

       3        1A0h       SW1       1A8h        SW1     1B0h     1B8h

        4        2A0h       SW1       2A8h        SW1     2B0h     2B8h

            Note:The interrupt for port 3 and port 4 is always set by
            SW1.

                 SERIAL PORT ADDRESSES/INTERRUPTS (CONT)

          Option                   SW1/7                   SW1/8

              1                     On                      Off

              2                     On                       On

             3                     Off                     Off

              4                     Off                      On

                                 INTERRUPT

  Setting    SW1/1      SW1/2      SW1/3     SW1/4      SW1/5     SW1/6

   IRQ2        On        Off        Off       Off        Off       Off

   IRQ3       Off         On        Off       Off        Off       Off

   IRQ4       Off        Off        On        Off        Off       Off

   IRQ5       Off        Off        Off        On        Off       Off

   IRQ6       Off        Off        Off       Off        On        Off

   IRQ7       Off        Off        Off       Off        Off        On

