COMPUTER MODULES, INC.

MAX I/O

Card Type

Serial/Parallel card

Chip Set

Unidentified

Maximum Onboard Memory

N/A

I/O Options

parallel port (4 on external module), serial port (4 on external module)

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

37-pin interface connector

CN1

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Parallel port 0 output only

SW1/1

On

Parallel port 0 bi-directional

SW1/1

Off

Parallel port 1 output only

SW1/2

On

Parallel port 1 bi-directional

SW1/2

Off

Parallel port 2 output only

SW1/3

On

Parallel port 2 bi-directional

SW1/3

Off

Parallel port 3 output only

SW1/4

On

Parallel port 3 bi-directional

SW1/4

Off

Note: SW1 is located on the external board. The exact location is unidentified.

SERIAL PORT 0 ADDRESS SELECTION

Address

SW1/1

SW1/2

»

3F8h - 3FFh (COM1)

On

On

 

210h - 217h

Off

On

 

380h - 387h

On

Off

 

Disabled

Off

Off

SERIAL PORT 1 ADDRESS SELECTION

Address

SW1/3

SW1/4

»

2F8h - 2FFh (COM2)

On

On

 

218h - 21Fh

Off

On

 

388h - 38Fh

On

Off

 

Disabled

Off

Off

SERIAL PORT 2 ADDRESS SELECTION

Address

SW1/5

SW1/6

»

3E8h - 3EFh (COM3)

On

On

 

220h - 227h

Off

On

 

390h - 397h

On

Off

 

Disabled

Off

Off

SERIAL PORT 3 ADDRESS SELECTION

Address

SW1/7

SW1/8

»

2E8h - 2EFh (COM4)

On

On

 

228h - 22Fh

Off

On

 

398h - 39Fh

On

Off

 

Disabled

Off

Off

PARALLEL PORT 0 ADDRESS SELECTION

Address

SW2/1

SW2/2

»

3BCh - 3BFh (LPT1)

On

On

 

230h - 233h

Off

On

 

330h - 333h

On

Off

 

Disabled

Off

Off

PARALLEL PORT 1 ADDRESS SELECTION

Address

SW2/3

SW2/4

»

378h - 37Bh (LPT2)

On

On

 

234h - 237h

Off

On

 

334h - 337h

On

Off

 

Disabled

Off

Off

PARALLEL PORT 2 ADDRESS SELECTION

Address

SW2/5

SW2/6

»

278h - 27Bh (LPT3)

On

On

 

238h - 23Bh

Off

On

 

338h - 33Bh

On

Off

 

Disabled

Off

Off

PARALLEL PORT 3 ADDRESS SELECTION

Address

SW2/7

SW2/8

 

178h - 17Bh

On

On

 

23Ch - 23Fh

Off

On

 

33Ch - 33Fh

On

Off

»

Disabled

Off

Off

SERIAL & PARALLEL PORT 0 INTERRUPT CONFIGURATION

Setting

JB3

 

Serial port shared interrupt select

Pins 1 & 3 closed

»

Serial port IRQ4 select

Pins 3 & 5 closed

 

Parallel port shared interrupt select

Pins 2 & 4 closed

»

Parallel IRQ7 select

Pins 4 & 6 closed

SERIAL & PARALLEL PORT 1 INTERRUPT CONFIGURATION

Setting

JB3

 

Serial port shared interrupt select

Pins 7 & 9 closed

»

Serial port IRQ3 select

Pins 9 & 11 closed

 

Parallel port shared interrupt select

Pins 8 & 10 closed

»

Parallel port IRQ7 select

Pins 10 & 12 closed

 

Parallel port IRQ5 select

Pins 13 & 14 closed

SERIAL & PARALLEL PORT 2 INTERRUPT CONFIGURATION

Setting

JB3

 

Serial port shared interrupt select

Pins 15 & 17 closed

 

Parallel port shared interrupt select

Pins 16 & 18 closed

»

Serial port IRQ4 select

Pins 17 & 19 closed

»

Parallel port IRQ5 select

Pins 18 & 20 closed

 

Serial port IRQ11 select

Pins 21 & 22 closed

 

Serial port IRQ12 select

Pins 23 & 24 closed

SERIAL & PARALLEL PORT 3 INTERRUPT CONFIGURATION

Setting

JB3

 

Serial port shared interrupt select

Pins 25 & 27 closed

 

Parallel port shared interrupt select

Pins 26 & 28 closed

»

Serial port IRQ3 select

Pins 27 & 29 closed

 

Parallel port IRQ5 select

Pins 28 & 30 closed

 

Parallel port IRQ15 select

Pins 31 & 32 closed

INTERRUPT SEQUENCER SERIAL OUTPUT SELECTION

IRQ

JB1/A

JB1/B

JB1/C

JB1/D

JB1/E

JB1/F

JB1/G

JB1/H

JB1/I

2/9

Open

Open

Open

Open

Open

Open

Open

Open

Closed

3

Open

Open

Open

Open

Closed

Open

Open

Open

Open

4

Open

Open

Open

Open

Open

Closed

Open

Open

Open

5

Open

Open

Open

Open

Open

Open

Closed

Open

Open

7

Open

Open

Open

Open

Open

Open

Open

Closed

Open

10

Open

Open

Open

Closed

Open

Open

Open

Open

Open

11

Open

Open

Closed

Open

Open

Open

Open

Open

Open

12

Open

Closed

Open

Open

Open

Open

Open

Open

Open

15

Closed

Open

Open

Open

Open

Open

Open

Open

Open

INTERRUPT SEQUENCER PARALLEL OUTPUT SELECTION

IRQ

JB2/A

JB2/B

JB2/C

JB2/D

JB2/E

JB2/F

JB2/G

JB2/H

JB2/I

2/9

Open

Open

Open

Open

Open

Open

Open

Open

Closed

3

Open

Open

Open

Open

Closed

Open

Open

Open

Open

4

Open

Open

Open

Open

Open

Closed

Open

Open

Open

5

Open

Open

Open

Open

Open

Open

Closed

Open

Open

7

Open

Open

Open

Open

Open

Open

Open

Closed

Open

10

Open

Open

Open

Closed

Open

Open

Open

Open

Open

11

Open

Open

Closed

Open

Open

Open

Open

Open

Open

12

Open

Closed

Open

Open

Open

Open

Open

Open

Open

15

Closed

Open

Open

Open

Open

Open

Open

Open

Open