TTC COMPUTER PRODUCTS

MP-001

Card Type

I/O controller

Chipset/Controller

National Semiconductor

I/O Options

Serial port (4)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

J2

Serial port 3

J4

Serial port 2

J3

Serial port 4

J5

BASE ADDRESS CONFIGURATION

Address Range

SW1/1

SW1/2

SW1/3

SW1/4

3F8h - 3FFh

Off

N/A

N/A

N/A

2F0h - 2F7h

On

N/A

N/A

N/A

2F8h - 2FFh

N/A

Off

N/A

N/A

3E0h - 3E7h

N/A

On

N/A

N/A

3E8h - 3EFh

N/A

N/A

Off

N/A

2E0h - 2E7h

N/A

N/A

On

N/A

2E8h - 2FFh

N/A

N/A

N/A

Off

260h - 267h

N/A

N/A

N/A

On

PRIMARY PORT ADDRESS CONFIGURATION

Address Range

SW3/5

SW3/6

SW3/7

SW3/8

3F8h - 3FFh

On

Off

Off

Off

 

2F0h - 2F7h

On

Off

Off

Off

 

2F8h - 2FFh

Off

On

Off

Off

 

3E0h - 3E7h

Off

On

Off

Off

 

3E8h - 3EFh

Off

Off

On

Off

 

2E0h - 2E7h

Off

Off

On

Off

 

2E8h - 2FFh

Off

Off

Off

On

 

260h - 267h

Off

Off

Off

On

 

Disabled

Off

Off

Off

Off

SECONDARY PORT ADDRESS CONFIGURATION

Address Range

SW3/1

SW3/2

SW3/3

SW3/4

2F8h - 2FFh

Off

On

Off

Off

 

3F8h - 3FFh

On

Off

Off

Off

 

2F0h - 2F7h

On

Off

Off

Off

 

3E0h - 3E7h

Off

On

Off

Off

 

3E8h - 3EFh

Off

Off

On

Off

 

2E0h - 2E7h

Off

Off

On

Off

 

2E8h - 2FFh

Off

Off

Off

On

 

260h - 267h

Off

Off

Off

On

 

Disabled

Off

Off

Off

Off

THIRD PORT ADDRESS CONFIGURATION

Address Range

SW2/1

SW2/2

SW2/3

SW2/4

3E8h - 3EFh

Off

Off

On

Off

 

3F8h - 3FFh

On

Off

Off

Off

 

2F0h - 2F7h

On

Off

Off

Off

 

2F8h - 2FFh

Off

On

Off

Off

 

3E0h - 3E7h

Off

On

Off

Off

 

2E0h - 2E7h

Off

Off

On

Off

 

2E8h - 2FFh

Off

Off

Off

On

 

260h - 267h

Off

Off

Off

On

 

Disabled

Off

Off

Off

Off

FOURTH PORT ADDRESS CONFIGURATION

Address Range

SW2/5

SW2/6

SW2/7

SW2/8

260h - 267h

Off

Off

Off

On

 

3F8h - 3FFh

On

Off

Off

Off

 

2F0h - 2F7h

On

Off

Off

Off

 

2F8h - 2FFh

Off

On

Off

Off

 

3E0h - 3E7h

Off

On

Off

Off

 

3E8h - 3EFh

Off

Off

On

Off

 

2E0h - 2E7h

Off

Off

On

Off

 

2E8h - 2FFh

Off

Off

Off

On

 

Disabled

Off

Off

Off

Off

INTERRUPT SELECT

Port 1

Port 2

Port 3

Port 4

SW1/5

SW1/6

SW1/7

SW1/8

IRQ4

IRQ3

IRQ4

IRQ3

Off

On

Off

On

 

IRQ3

IRQ4

IRQ2

IRQ5

On

On

On

On

 

IRQ4

IRQ3

IRQ2

IRQ5

Off

On

On

On

 

IRQ3

IRQ4

IRQ5

IRQ2

On

Off

On

On

 

IRQ4

IRQ3

IRQ5

IRQ2

Off

Off

On

On

 

IRQ3

IRQ4

IRQ3

IRQ4

On

On

Off

On

 

IRQ3

IRQ4

IRQ4

IRQ3

On

Off

Off

On

 

IRQ4

IRQ3

IRQ3

IRQ4

Off

Off

Off

On