DTK COMPUTER, INC.

PTI-207 AT RS-232 4 PORT

Card Type              Serial card
Chip Set               8250 CHIP
Maximum Onboard Memory None
I/O Options            serial ports (4)
Data Bus               Unidentified

[Image]

                                CONNECTIONS

          Function             Label           Function             Label

  Serial port 1                 J1     Serial port 3                 J3

  Serial port 2                 J2     Serial port 4                 J4

                        USER CONFIGURABLE SETTINGS

                  Function                     Label        Position

  Serial port 1 IRQ4 enabled                   JP1/1    Pins 1 & 2 closed

  Serial port 1 IRQ3 enabled                   JP1/1    Pins 2 & 3 closed

  Serial port 2 IRQ4 enabled                   JP1/2    Pins 1 & 2 closed

  Serial port 2 IRQ3 enabled                   JP1/2    Pins 2 & 3 closed

  Serial port 3 IRQ5 enabled                   JP1/3    Pins 1 & 2 closed

  Serial port 3 IRQ2 enabled                   JP1/3    Pins 2 & 3 closed

  Serial port 4 IRQ5 enabled                   JP1/4    Pins 1 & 2 closed

  Serial port 4 IRQ2 enabled                   JP1/4    Pins 2 & 3 closed

        BASE I/O ADDRESS SELECTION (SERIAL PORT 1)

    Setting        SW1/1          SW1/3          SW1/5

  3F8h - 3FFh        On            Off            Off

  2F8h - 2FFh       Off             On            Off

  3E8h - 3EFh       Off            Off            On

        BASE I/O ADDRESS SELECTION (SERIAL PORT 2)

    Setting        SW1/2          SW1/4          SW1/6

  3F8h - 3FFh       Off             On            Off

  2F8h - 2FFh        On            Off            Off

  2E8h - 2EFh       Off            Off            On

  BASE I/O ADDRESS SELECTION (SERIAL PORT 3)

    Setting          SW1/7          SW1/9

  3E8h - 3EFh         On             Off

  2E8h - 2EFh         Off             On

  BASE I/O ADDRESS SELECTION (SERIAL PORT 4)

    Setting          SW1/8          SW1/10

  3E8h - 3EFh         Off             On

  2E8h - 2EFh         On             Off