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DFLEX-2

CONNECT TECH, INC.

DFLEX-2

Card Type

Serial card

Chipset Controller

UART 16450 or 16550

I/O Options

Serial port (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

9-pin serial port connector

CN1

*SLIM connector (Port 1 & 2)

S1

9-pin serial port connector

CN2

   

*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 1

Port 2

Status port

SW1/3

SW1/4

SW1/5

200h

208h

240h

On

On

On

240h

248h

280h

On

On

Off

280h

288h

2C0h

On

Off

On

2C0h

2C8h

300h

On

Off

Off

300h

308h

340h

Off

On

On

2B0h

2B8h

288h

Off

On

Off

290h

298h

2D0h

Off

Off

On

190h

198h

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 closed

Open

Open

Open

4

Open

Pins 1 & 2 closed

Open

Open

5

Open

Open

Pins 1 & 2 closed

Open

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 (CONíT)

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 closed

Open

Open

Open

On

11

Open

Pins 1 & 2 closed

Open

Open

On

12

Open

Open

Pins 1 & 2 closed

Open

On

15

Open

Open

Open

Pins 1 & 2 closed

On

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 closed

Open

Open

Open

4

Open

Pins 2 & 3 closed

Open

Open

5

Open

Open

Pins 2 & 3 closed

Open

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 (CONíT)

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 closed

Open

Open

Open

Off

11

Open

Pins 2 & 3 closed

Open

Open

Off

12

Open

Open

Pins 2 & 3 closed

Open

Off

15

Open

Open

Open

Pins 2 & 3 closed

Off

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