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MPI-600

QUATECH, INC.

MPI-600

Card Type

I/O controller

Chipset/Controller

Intel 80C188

I/O Options

Serial ports (2)

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Purpose

Location

Serial port 1

CN1

SCC channel "B" connector

J2

Serial port 2

CN2

   

I/O ADDRESS SELECT

Address

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

SW1/8

3F8h

On

Off

Off

Off

Off

Off

Off

Off

3E8h

On

Off

Off

Off

Off

Off

On

Off

2F8h

On

Off

On

Off

Off

Off

Off

Off

2E8h

On

Off

On

Off

Off

Off

On

Off

7F8h

Off

Off

Off

Off

Off

Off

Off

Off

Note:The address range for the MPI-600 can be set between 000h and 7F8h. The switches are a binary representation of the addresses. The switches have the following decimal values: switch 1=4, switch 2=2, switch 3=1, switch 4=8, switch 5=4, switch 6=2, switch 7=1, switch 8=8. Turn Off the switches and add the values of the Off switches to obtain the correct address.

DMA CHANNEL SELECT

DMA

J3

J4

1

Pins 1 & 3 closed

Pins 1 & 3 closed

3

Pins 2 & 4 closed

Pins 2 & 4 closed

None

All open

All open

PARALLEL PORT CONFIGURATION

J1

Designation

Pins 1 - 4

Connected to ground

Pin 5

Connected to 8256 pin P27

Pin 6

Connected to 8256 Pin P26

Pin 7

Connected to 8256 Pin P25

Pin 8

Connected to 8256 Pin P24

INTERRUPT SELECT

IRQ

J5

IRQ2

Pins 1 & 7 closed

IRQ3

Pins 2 & 8 closed

IRQ4

Pins 3 & 9 closed

IRQ5

Pins 4 & 10 closed

IRQ6

Pins 5 & 11 closed

IRQ7

Pins 6 & 12 closed

CURRENT LOOP POWER LEVEL SELECT

Setting

J6

J7

+12 volts

Open

Closed

-12 volts

Closed

Open

External power source used

Open

Open

SIGNAL CONFIGURATION

Signal Type

Mode

J8

J9

J10

J11

RTxC/RRxC

V.35 (RS-422)

1 & 3 closed

1 & 3 closed

N/A

N/A

RTxC/RRxC

V.24 (RS-232)

2 & 4 closed

2 & 4 closed

N/A

N/A

RTxC/RRxC

Receive no clock

All open

All open

N/A

N/A

RxD

V.35 (RS-422)

N/A

N/A

1 & 4 closed

N/A

RxD

V.24 (RS-232)

N/A

N/A

2 & 5 closed

N/A

RxD

Current Loop

N/A

N/A

3 & 6 closed

N/A

TTxC

TRxCA

Open

N/A

N/A

1 & 3 closed

TTxC

RTxCA

N/A

Open

N/A

2 & 4 closed

TTxC

Send no clock

N/A

N/A

N/A

All open

INTERFACE CONFIGURATION

Setting

J12

RS-232

Pins 1 & 16, 2 & 17, 5 & 20, 6 & 21, 7 & 22, 9 & 24, 10 & 25, 11 & 26, 13 & 28, 14 & 29, 15 & 30 closed

Note:If transmitting a clock, close pins 4 & 19. If receiving a clock, close pins 8 & 23 for RxC mode and close pins 12 & 27 for TxC mode.

INTERFACE CONFIGURATION

Setting

J12

RS-422

Pins 1 & 16, 18 & 33, 5 & 20, 6 & 21, 26 & 41, 29 & 44, 30 & 45 closed

Note:If transmitting a clock, close Pins 17 & 32, 19 & 34. If receiving a clock, close Pins 22 & 37, 23 & 38 for RxC mode and close Pins 24 & 39, 27 & 42 for TxC mode.

INTERFACE CONFIGURATION

Setting

J12

Current Loop

Pins 1 & 16, 2 & 17, 3 & 18, 7 & 22, 9 & 24, 11 & 40, 14 & 43, 14 & 29, 15 & 30 closed

Note:If using positive voltage, close Pins 21 & 36. If using negative voltage, close Pins 20 & 35.