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VALUEPORT V4

COMPUTONE CORPORATION

VALUEPORT V4

Card Type

Serial

Chip Set

Unidentified

I/O Options

Serial ports (4)

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

Serial ports via DB-37 port

CN1

Note:Standard DB-25 serial ports are provided on an included adapter cable.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

»

Interrupt sharing disabled

SW1/9

On

 

Interrupt sharing enabled

SW1/9

Off

»

Factory configured - do not alter

SW1/10

Off

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

SW1/7

SW1/8

 

1

On

Off

 

2

On

On

»

3

Off

Off

 

4

Off

On

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