SEALEVEL SYSTEMS, INC.

VERSACOM+4

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial ports (4 RS-232)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

16-bit ISA

Card Size

Full-length, full-height

CONNECTIONS

Function

Label

4 RS-232 Serial Ports via DB-37 connector

P3

Note: The four ports are provided by attaching a "spider" cable to P3

USER CONFIGURABLE SETTINGS

Function

Label

Position

Port 4 enabled

SW1/8

On

Port 4 disabled

SW1/8

Off

Port 3 enabled

SW2/8

On

Port 3 disabled

SW2/8

Off

Port 2 enabled

SW3/8

On

Port 2 disabled

SW3/8

Off

Port 1 enabled

SW4/8

On

Port 1 disabled

SW4/8

Off

BASE I/O ADDRESS SELECTION PORT 1

Setting

SW4/1

SW4/2

SW4/3

SW4/4

SW4/5

SW4/6

SW4/7

 

280h

Off

On

Off

On

On

On

On

 

2AOh

Off

On

Off

On

Off

On

On

 

2E8h

Off

On

Off

Off

Off

On

Off

 

2F8h

Off

On

Off

Off

Off

Off

Off

 

3E8h

Off

Off

Off

Off

Off

On

Off

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

»

3F8h

Off

Off

Off

Off

Off

Off

Off

BASE I/O ADDRESS SELECTION PORT 2

Setting

SW3/1

SW3/2

SW3/3

SW3/4

SW3/5

SW3/6

SW3/7

 

280h

Off

On

Off

On

On

On

On

 

2A0h

Off

On

Off

On

Off

On

On

 

2E8h

Off

On

Off

Off

Off

On

Off

»

2F8h

Off

On

Off

Off

Off

Off

Off

 

3E8h

Off

Off

Off

Off

Off

On

Off

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

 

3F8h

Off

Off

Off

Off

Off

Off

Off

BASE I/O ADDRESS SELECTION PORT 3

Setting

SW2/1

SW2/2

SW2/3

SW2/4

SW2/5

SW2/6

SW2/7

 

280h

Off

On

Off

On

On

On

On

 

2A0h

Off

On

Off

On

Off

On

On

 

2E8h

Off

On

Off

Off

Off

On

Off

 

2F8h

Off

On

Off

Off

Off

Off

Off

»

3E8h

Off

Off

Off

Off

Off

On

Off

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

 

3F8h

Off

Off

Off

Off

Off

Off

Off

BASE I/O ADDRESS SELECTION PORT 4

Setting

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

 

280h

Off

On

Off

On

On

On

On

 

2A0h

Off

On

Off

On

Off

On

On

»

2E8h

Off

On

Off

Off

Off

On

Off

 

2F8h

Off

On

Off

Off

Off

Off

Off

 

3E8h

Off

Off

Off

Off

Off

On

Off

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

 

3F8h

Off

Off

Off

Off

Off

Off

Off

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

E4/A

E4/B

E4/C

E4/D

E4/E

E4/F

E4/G

E4/H

E4/I

 

2

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

3

Open

Closed

Open

Open

Open

Open

Open

Open

Open

»

4

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

E3/A

E3/B

E3/C

E3/D

E3/E

E3/F

E3/G

E3/H

E3/I

 

2

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

3

Open

Closed

Open

Open

Open

Open

Open

Open

Open

»

4

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 3 INTERRUPT SELECTION

IRQ

E2/A

E2/B

E2/C

E2/D

E2/E

E2/F

E2/G

E2/H

E2/I

 

2

Closed

Open

Open

Open

Open

Open

Open

Open

Open

 

3

Open

Closed

Open

Open

Open

Open

Open

Open

Open

»

4

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 4 INTERRUPT SELECTION

IRQ

E1/A

E1/B

E1/C

E1/D

E1/E

E1/F

E1/G

E1/H

E1/I

 

2

Closed

Open

Open

Open

Open

Open

Open

Open

Open

»

3

Open

Closed

Open

Open

Open

Open

Open

Open

Open

 

4

Open

Open

Closed

Open

Open

Open

Open

Open

Open

 

5

Open

Open

Open

Closed

Open

Open

Open

Open

Open

 

7

Open

Open

Open

Open

Closed

Open

Open

Open

Open

 

10

Open

Open

Open

Open

Open

Closed

Open

Open

Open

 

11

Open

Open

Open

Open

Open

Open

Closed

Open

Open

 

12

Open

Open

Open

Open

Open

Open

Open

Closed

Open

 

15

Open

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL INTERRUPT MODE SELECTION

IRQ

E5

»

Port 1 normal

Pins 5 & 7 closed

 

Port 1 shared interrupt mode

Pins 3 & 5 closed

 

Port 1 shared interrupt mode with resistor

Pins 1 & 3 closed

 

Port 2 normal

Pins 6 & 8 closed

 

Port 2 shared interrupt mode

Pins 4 & 6 closed

 

Port 2 shared interrupt mode with resistor

Pins 2 & 4 closed

 

Port 3 normal

Pins 13 & 15 closed

 

Port 3 shared interrupt mode

Pins 11 & 13 closed

 

Port 3 shared interrupt mode with resistor

Pins 9 & 11 closed

 

Port 4 normal

Pins 14 & 16 closed

 

Port 4 shared interrupt mode

Pins 12 & 14 closed

 

Port 4 shared interrupt mode with resistor

Pins 10 & 12 closed

Note: If the shared function is used, only one of the ports must be set to the pull-down resistor mode.