CONNECT TECH, INC.

DFLEX-4

Card Type          Serial card
Chipset Controller UART 16450 or 16550
I/O Options        Serial port (4)
Maximum DRAM       N/A

[Image]

                                CONNECTIONS

      Purpose            Location           Purpose           Location

  37-pin serial            CN1         *SLIM connector           S2
  port connector                       (Port 3 & 4)

  *SLIM connector           S1
  (Port 1 & 2)

  *Note: Serial Line Interface Module (SLIM) connectors.

                               SERIAL PORT 1

               Setting                               SW1/1

             COM1 (3F8h)                               On

             User select                              Off

  Note: When SW1/1 is set in the off position refer to Serial & Status
  Port Address table.

                               SERIAL PORT 2

               Setting                               SW1/2

             COM2 (2F8h)                               On

             User select                              Off

  Note: When SW1/2 is set in the off position refer to Serial & Status
  Port Address table.

                       SERIAL & STATUS PORT ADDRESS

  Port     Port    Port     Port    Status     SW1/3    SW1/4     SW1/5
   1        2       3        4       port

  200h    208h     210h    218h      240h       On        On        On

  240h    248h     250h    258h      280h       On        On       Off

  280h    288h     290h    298h      2C0h       On       Off        On

  2C0h    2C8h     2D0h    2D8h      300h       On       Off       Off

  300h    308h     310h    318h      340h       Off       On        On

  2B0h    2B8h     2C0h    2C8h      288h       Off       On       Off

  290h    298h     2A0h    2A8h      2D0h       Off      Off        On

  190h    198h     1A0h    1A8h      1D0h       Off      Off       Off

      STATUS PORT

  Setting      SW1/7

  Enabled       On

  Disabled      Off

                            INTERRUPT CHANNEL A

    IRQ          J1/A            J1/B           J1/C            J1/D

     3         Pins 1 & 2        Open           Open            Open
                closed

     4           Open         Pins 1 & 2        Open            Open
                                closed

     5           Open            Open         Pins 1 & 2        Open
                                               closed

     7           Open            Open           Open          Pins 1 & 2
                                                               closed

     10          Open            Open           Open            Open

     11          Open            Open           Open            Open

     12          Open            Open           Open            Open

     15          Open            Open           Open            Open

                        INTERRUPT CHANNEL A (CON’T)

  iRQ        J1/E         J1/F          J1/G          J1/H        SW1/8

   3         Open         Open          Open          Open         On

   4         Open         Open          Open          Open         On

   5         Open         Open          Open          Open         On

   7         Open         Open          Open          Open         On

   10     Pins 1 & 2      Open          Open          Open         On
            closed

   11        Open       Pins 1 & 2      Open          Open         On
                         closed

   12        Open         Open       Pins 1 & 2       Open         On
                                       closed

   15        Open         Open          Open       Pins 1 & 2      On
                                                     closed

       Note: When port 1 is configured as COM1 & port 2 is configured as
       COM2, SW1/8 should be in the off position. IRQ4 (COM1) should have
       channel A settings & IRQ3 (COM2) should have channel B settings.
       If only one of the first two ports is configured as COM1 or COM2,
       the other jumper can be moved or removed according to the
       requirements of the software being used.

                            INTERRUPT CHANNEL B

    IRQ          J1/A            J1/B           J1/C            J1/D

     3         Pins 2 & 3        Open           Open            Open
                closed

     4           Open         Pins 2 & 3        Open            Open
                                closed

     5           Open            Open         Pins 2 & 3        Open
                                               closed

     7           Open            Open           Open          Pins 2 & 3
                                                               closed

     10          Open            Open           Open            Open

     11          Open            Open           Open            Open

     12          Open            Open           Open            Open

     15          Open            Open           Open            Open

                        INTERRUPT CHANNEL B (CON’T)

  IRQ        J1/E         J1/F          J1/G          J1/H        SW1/8

   3         Open         Open          Open          Open         Off

   4         Open         Open          Open          Open         Off

   5         Open         Open          Open          Open         Off

   7         Open         Open          Open          Open         Off

   10     Pins 2 & 3      Open          Open          Open         Off
            closed

   11        Open       Pins 2 & 3      Open          Open         Off
                         closed

   12        Open         Open       Pins 2 & 3       Open         Off
                                       closed

   15        Open         Open          Open       Pins 2 & 3      Off
                                                     closed

       Note: When port 1 is configured as COM1 & port 2 is configured as
       COM2, SW1/8 should be in the off position. IRQ4 (COM1) should have
       channel A settings & IRQ3 (COM2) should have channel B settings.
       If only one of the first two ports is configured as COM1 or COM2,
       the other jumper can be moved or removed according to the
       requirements of the software being used.

  FACTORY CONFIGURED - DO NOT ALTER

      Switch            Position

       SW1/6               Off