UNIDENTIFIED

286 I/O PLUS CARD YL-27B

Card Type

Multi I/O card

Chipset/Controller

Unidentified

I/O Options

Game port, parallel port, serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J1

Game port

J3

Serial port 2

J2

Parallel port

J4

SERIAL PORT CONFIGURATION

Port 1 (J1)

Port 2 (J2)

SW1/1

SW1/2

SW1/3

SW1/4

»

COM1

COM2

On

On

Off

Off

 

COM1

COM4

On

Off

Off

On

 

COM3

COM2

Off

On

On

Off

 

COM3

COM4

Off

Off

On

On

 

Disabled

COM2

Off

On

Off

Off

 

Disabled

COM4

Off

Off

Off

On

 

COM1

Disabled

On

Off

Off

Off

 

COM3

Disabled

Off

Off

On

Off

 

Disabled

Disabled

Off

Off

Off

Off

SERIAL PORT INTERRUPT SELECTION

Port 1 (J1)

Port 2 (J2)

SW1/1

SW1/2

SW1/3

SW1/4

»

IRQ4

IRQ3

On

On

Off

Off

 

IRQ4

IRQ3

Off

Off

On

On

PARALLEL PORT CONFIGURATION

LPT

JP2

SW1/5

SW1/6

»

1

Pins 1 & 2 closed

On

Off

 

2

Pins 2 & 3 closed

Off

On

GAME PORT CONFIGURATION

Setting

JP1

»

Enabled

Closed

 

Disabled

Open