...because we can't all be on the bleeding edge...





VERSA COMM+4/EX

SEALEVEL SYSTEMS, INC.

VERSA COMM+4/EX

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial ports (4 RS-232 via DB 37 connector)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

16-bit ISA

Card Size

Full-length, full-height

CONNECTIONS

Function

Label

Serial Port

P3

PORT ADDRESS SELECTION

Port 1

Port 2

Port 3

Port 4

SW1/6

SW1/7

SW1/8

3F8h

2F8h

3E8h

2E8h

On

On

Off

2F8h

3E8h

2E8h

2E0h

On

Off

On

3E8h

2E8h

280h

288h

On

Off

Off

500h

508h

510h

518h

Off

On

On

580h

588h

590h

598h

Off

On

Off

1500h

1508h

1510h

1518h

Off

Off

On

3220h

3228h

4220h

4228h

Off

Off

Off

Note: Use either the port address selection or the base I/O address selection. When using the port address selection, switches 1-5 must be off.

BASE I/O ADDRESS SELECTION

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

 

1A0h

On

Off

Off

On

Off

280h

Off

On

Off

On

On

 

2A0h

Off

On

Off

On

Off

 

2E0h

Off

On

Off

Off

Off

 

380h

Off

Off

Off

On

On

Note: When using the base I/O address selection, switches 6-8 must be on.

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

J1B/A

J1B/B

J1B/C

J1B/D

J1B/E

J1B/F

J1B/G

J1B/H

J1B/I

J1B/J

 

3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

 

4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

9

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

J2B/A

J2B/B

J2B/C

J2B/D

J2B/E

J2B/F

J2B/G

J2B/H

J2B/I

J2B/J

 

3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

 

4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

9

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 3 INTERRUPT SELECTION

IRQ

J3B/A

J3B/B

J3B/C

J3B/D

J3B/E

J3B/F

J3B/G

J3B/H

J3B/I

J3B/J

 

3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

 

4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

9

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 4 INTERRUPT SELECTION

IRQ

J4B/A

J4B/B

J4B/C

J4B/D

J4B/E

J4B/F

J4B/G

J4B/H

J4B/I

J4B/J

 

3

Closed

Open

Open

Open

Open

Open

Open

Open

Open

Open

 

4

Open

Closed

Open

Open

Open

Open

Open

Open

Open

Open

5

Open

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

6

Open

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

9

Open

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL INTERRUPT MODE SELECTION PORT 1

IRQ

J1A

 

Normal interrupt mode

Pins 1 & 2 closed

 

Shared interrupt mode

Pins 2 & 3 closed

Shared interrupt mode with pull down resistor

Pins 3 & 4 closed

SERIAL INTERRUPT MODE SELECTION PORT 2

IRQ

J2A

 

Normal interrupt mode

Pins 1 & 2 closed

Shared interrupt mode

Pins 2 & 3 closed

 

Shared interrupt mode with pull down resistor

Pins 3 & 4 closed

SERIAL INTERRUPT MODE SELECTION PORT 3

IRQ

J3A

 

Normal interrupt mode

Pins 1 & 2 closed

Shared interrupt mode

Pins 2 & 3 closed

 

Shared interrupt mode with pull down resistor

Pins 3 & 4 closed

SERIAL INTERRUPT MODE SELECTION PORT 4

IRQ

J4A

 

Normal interrupt mode

Pins 1 & 2 closed

Shared interrupt mode

Pins 2 & 3 closed

 

Shared interrupt mode with pull down resistor

Pins 3 & 4 closed

CLOCK MODE SELECTION

Divide

J5

1

Pins 1 & 2 closed

2

Pins 3 & 4 closed

4

Pins 5 & 6 closed