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SAFLINE 4-PORT MULTIPLEXER SERIAL

DECISION COMPUTER INTERNATIONAL CO., LTD.

SAFLINE 4-PORT MULTIPLEXER SERIAL

Card Type

Serial

Chipset

GoldStar

I/O Options

Serial ports (4)

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Serial ports via RJ-11 connector

J1

Note:Standard DB-25 serial ports are provided on an external expansion box.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Bus speed set to 16MHz or lower

JP1

Pins 1 & 2 closed

 

Bus speed set higher than 16MHz

JP1

Pins 3 & 4 closed

»

Factory configured - do not alter

JP3

Unidentified

»

Board is in normal mode

JP5

Pins 1 & 2 closed

 

Board is in PC-MOS/386 mode

JP5

Pins 2 & 3 closed

SERIAL PORT ADDRESSES/INTERRUPTS

Option

Port 1

IRQ

Port 2

IRQ

Port 3

Port 4

 

1

3F8h (COM1:)

4

2F8h (COM2:)

3

1B0h

1B8h

 

2

3F8h (COM1:)

4

2F8h (COM2:)

3

2B0h

2B8h

»

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 (CON’T)

Option

JP2

SW1/7

SW1/8

 

1

Pins 1 & 2, 3 & 4 closed

On

On

 

2

Pins 1 & 2, 3 & 4 closed

On

Off

»

3

Open

Off

On

 

4

Open

Off

Off

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

MAXIMUM TRANSFER RATE

Setting

JP4/A

JP4/B

JP4/C

9600bps

Open

Open

Closed

19.2Kbps

Open

Closed

Open

38.4Kbps

Closed

Open

Open

DIAGNOSTIC LED(S)

The function of the LED is unidentified.