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MPA-200/300

QUATECH, INC.

MPA-200/300

Card Type

I/O controller

Chipset/Controller

Intel

I/O Options

Serial port

Maximum DRAM

N/A

CONNECTIONS

Purpose

Location

Female D-25 serial port - data communications equipment

CN1

(Optional) Male D-25 serial port - data terminal equipment

CN2

Note: The MPA 200 is either DCE or DTE port equipped, but not both

CLOCK SPEED SELECT

Speed

J1

8MHz

Pins 1 & 2 closed

 

6MHz

Pins 2 & 3 closed

INTERRUPT SHARING

Setting

J4

Enabled

Pins 1 & 2 closed

Disabled

Pins 2 & 3 closed

INTERRUPT SELECTION

IRQ

J5

J6

IR/FONT>

Pins 1 & 7 closed

Open

IRQ3

Pins 2 & 8 closed

Open

IRQ4

Pins 3 & 9 closed

Open

IRQ5

Pins 4 & 10 closed

Open

INTERRUPT SELECTION

IRQ

J5

J6

IRQ6

Pins 5 & 11 closed

Open

IRQ7

Pins 6 & 12 closed

Open

IRQ10

Open

Pins 1 & 6 closed

IRQ11

Open

Pins 2 & 7 closed

IRQ12

Open

Pins 3 & 8 closed

IRQ14

Open

Pins 4 & 9 closed

IRQ15

Open

Pins 5 & 10 closed

DMA TRANSMIT CHANNEL

Setting

J10

Channel 1

Pins 1 & 7, 2 & 8 closed

Channel 2

Pins 3 & 9, 4 & 10 closed

Channel 3

Pins 5 & 11, 6 & 12 closed

DMA RECEIVE CHANNEL

Setting

J11

Channel 1

Pins 1 & 7, 2 & 8 closed

Channel 2

Pins 3 & 9, 4 & 10 closed

Channel 3

Pins 5 & 11, 6 & 12 closed

Note: Do not use the same channel for both DMA transmit and receive functions. Closing the same Pins on J10 and J11 will result in damage to the system.

LINE DRIVER CONTROL

Setting

J7

Drivers and receivers always enabled

Pins 1 & 2, 4 & 5 closed

Drivers and receivers controlled by programming register

Pins 2 & 3, 5 & 6 closed

Note: Location of J7 is not specified on manufacturer documentation.

SYNCA/RLEN CONFIGURATION

Setting

J8

SYNCA

Closed

RLEN

Open

I/O ADDRESS CONFIGURATION

Address

SW1

SW2

300h

1, 2, 3, 4, 5 & 6 on

1, 2, 3, 4, 5 & 6 on

240h

1, 2, 3, 4, 5, 6 & 8 on

1, 3, 4, 5 & 6 on

6FC4h

1 & 4 on

3, 4 & 5 on

Note:The address range for the DMM-100 is from 0 to FFFFh. The switches are a binary representation of the addresses. The switches have the following decimal values: SW1/1=8, SW1/2=4, SW1/3=2, SW1/4=1, SW1/5=8, SW1/6=4, SW1/7=2, SW1/8=1, SW2/1=8, SW2/2=4, SW2/3=2, SW2/4=1, SW2/5=8, SW2/6=4.

FACTORY CONFIGURED SETTINGS

Jumper

Setting

J2

N/A

J3

N/A