QUATECH, INC.

DS-202/DS-302

Card Type

Serial controller

Chipset/Controller

16450

I/O Options

Serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

Serial port 2

CN2

INPUT CLOCK CONFIGURATION

MHz

J1

»

1.8432MHz

Pins 1 & 2, 3 & 6, 4 & 5 closed

 

3.6864MHz

Pins 1 & 2, 5 & 6 closed

 

9.216MHz

Pins 2 & 3, 4 & 5 closed

 

18.432MHz

Pins 2 & 5 closed

PRIMARY PORT ADDRESS SELECT

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

»

03F8h

On

Off

Off

Off

Off

Off

Off

Off

 

02E0h

On

Off

On

Off

Off

Off

On

On

 

02F8h

On

Off

On

Off

Off

Off

Off

Off

 

03E8h

On

Off

Off

Off

Off

Off

On

Off

ALTERNATE PORT ADDRESS SELECT

Address

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

SW2/8

»

02F8h

On

Off

On

Off

Off

Off

Off

Off

 

02E0h

On

Off

On

Off

Off

Off

On

On

 

03E8h

On

Off

Off

Off

Off

Off

On

Off

 

03F8h

On

Off

Off

Off

Off

Off

Off

Off

CHANNEL CONFIGURATION

Setting

J4

Channel 1 enabled

Pins 1 & 3 closed

Channel 2 enabled

Pins 2 & 4 closed

PRIMARY PORT INTERRUPT SELECT

IRQ

J5/A

J5/B

J5/C

J5/D

J5/E

J5/F

IRQ2

Closed

Open

Open

Open

Open

Open

IRQ3

Open

Closed

Open

Open

Open

Open

IRQ4

Open

Open

Closed

Open

Open

Open

IRQ5

Open

Open

Open

Closed

Open

Open

IRQ6

Open

Open

Open

Open

Closed

Open

IRQ7

Open

Open

Open

Open

Open

Closed

ALTERNATE PORT INTERRUPT SELECT

IRQ

J6/A

J6/B

J6/C

J6/D

J6/E

J6/F

IRQ2

Closed

Open

Open

Open

Open

Open

IRQ3

Open

Closed

Open

Open

Open

Open

IRQ4

Open

Open

Closed

Open

Open

Open

IRQ5

Open

Open

Open

Closed

Open

Open

IRQ6

Open

Open

Open

Open

Closed

Open

IRQ7

Open

Open

Open

Open

Open

Closed

PRIMARY PORT INTERRUPT SHARING

Setting

J2

Dedicated interrupt level

Pins 2 & 3, 5 & 6 closed

Interrupt sharing

Pins 1 & 2, 4 & 5 closed

ALTERNATE PORT INTERRUPT SHARING

Setting

J3

Dedicated interrupt level

Pins 2 & 3, 5 & 6 closed

Interrupt sharing

Pins 1 & 2, 4 & 5 closed

PRIMARY PORT AUXILIARY CHANNEL CONFIGURATION

Transmission

Reception

Loopback

J8

RTS

CTS

XCLK/RCLK

Pins 1 & 2, 3 & 6, 4 & 5 closed

XCLK

RCLK

RTS/CTS

Pins 1 & 4, 2 & 3, 5 & 6 closed

N/A

N/A

RTS/CTS/XCLK/RCLK/AUXOUT/AUXIN

Pins 1 & 4, 2 & 5, 3 & 6 closed

ALTERNATE PORT AUXILIARY CHANNEL CONFIGURATION

Transmission

Reception

Loopback

J10

RTS

CTS

XCLK/RCLK

Pins 1 & 2, 3 & 6, 4 & 5 closed

XCLK

RCLK

RTS/CTS

Pins 1 & 4, 2 & 3, 5 & 6 closed

N/A

N/A

RTS/CTS/XCLK/RCLK/AUXOUT/AUXIN

Pins 1 & 4, 2 & 5, 3 & 6 closed

PRIMARY PORT DRIVER CONFIGURATION

Driver

J7

- DTR

Pins 1 & 5 closed

+ DTR

Pins 2 & 6 closed

- RTS

Pins 3 & 7 closed

+ RTS

Pins 4 & 8 closed

ALTERNATE PORT DRIVER CONFIGURATION

Driver

J9

- DTR

Pins 1 & 5 closed

+ DTR

Pins 2 & 6 closed

- RTS

Pins 3 & 7 closed

+ RTS

Pins 4 & 8 closed