MODULAR CIRCUIT TECHNOLOGY

MCT-AIO/AIO+

Card Type

Multi I/O

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

CN1

Serial port 2

J1

Parallel port

CN2

Game port

J2

GAME PORT CONFIGURATION

Setting

DSW1/4

»

Enabled

On

 

Disabled

Off

PARALLEL PORT CONFIGURATION

Setting

DSW1/5

»

Enabled

On

 

Disabled

Off

PARALLEL PORT ADDRESS SELECT

Address

DSW1/1

»

LPT1

Off

 

LPT2

On

PARALLEL PORT INTERRUPT SELECT

IRQ

JP5/A

JP5/B

»

IRQ7

Closed

Open

 

IRQ5

Open

Closed

SERIAL PORT CONFIGURATION

Port 1 (CN1)

Port 2 (J1)

DSW1/7

DSW1/8

»

Enabled

Enabled

On

On

 

Enabled

Disabled

On

Off

 

Disabled

Enabled

Off

On

 

Disabled

Disabled

Off

Off

SERIAL PORT ADDRESS SELECT

Port 1 (CN1)

Port 2 (J1)

DSW1/2

DSW1/3

»

COM1

COM2

On

On

 

COM2

COM3

Off

On

 

COM3

COM4

On

Off

PRIMARY SERIAL PORT INTERRUPT SELECT

IRQ

DSW2/5

DSW2/6

DSW2/7

DSW2/8

»

IRQ4

Off

Off

On

Off

 

IRQ2

On

Off

Off

Off

 

IRQ3

Off

On

Off

Off

 

IRQ5

Off

Off

Off

On

SECONDARY SERIAL PORT INTERRUPT SELECT

IRQ

DSW2/1

DSW2/2

DSW2/3

DSW2/4

»

IRQ3

Off

On

Off

Off

 

IRQ2

On

Off

Off

Off

 

IRQ4

Off

Off

On

Off

 

IRQ5

Off

Off

Off

On

NORMAL/FORCE TRUE MODE

Setting

JP1/A

JP1/B

JP1/C

JP2/A

JP2/B

JP2/C

»

Normal

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

Pins 1 & 2

 

Forced true

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Pins 2 & 3

Note: All Pins designated should be in the closed position.

DTE/DCE CONFIGURATION

Setting

JP3

JP4

»

DTE

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed

Pins 1 & 2, 3 & 4, 5 & 6, 7 & 8, 9 & 10 closed

 

DCE

Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 10 closed

Pins 1 & 3, 2 & 4, 5 & 7, 6 & 8, 9 & 10 closed

FACTORY CONFIGURED SETTINGS

Switch

Setting

DSW1/6

N/A