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COMM+232/EX

SEALEVEL SYSTEMS, INC.

COMM+232/EX

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial ports (2 RS-422)

Hard Drives supported

None

Floppy drives supported

None

Data Bus

8-bit ISA

Card Size

Half-length, full-height

CONNECTIONS

Function

Label

Function

Label

Serial Port 1

J1

Serial Port 2

J2

USER CONFIGURABLE SETTINGS

Function

Label

Position

Factory configured - do not alter

SW1/8

On

Factory configured - do not alter

SW2/8

On

BASE I/O ADDRESS SELECTION PORT 1

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

BASE I/O ADDRESS SELECTION PORT 2

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

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

E1/A

E1/B

E1/C

E1/D

E1/E

E1/F

E1/G

E1/H

 

IR/FONT>

Closed

Open

Open

Open

Open

Open

Open

Open

 

IRQ3

Open

Closed

Open

Open

Open

Open

Open

Open

IRQ4

Open

Open

Closed

Open

Open

Open

Open

Open

 

IRQ5

Open

Open

Open

Closed

Open

Open

Open

Open

 

IRQ10

Open

Open

Open

Open

Closed

Open

Open

Open

 

IRQ11

Open

Open

Open

Open

Open

Closed

Open

Open

 

IRQ12

Open

Open

Open

Open

Open

Open

Closed

Open

 

IRQ15

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL PORT 2 INTERRUPT SELECTION

IRQ

E2/A

E2/B

E2/C

E2/D

E2/E

E2/F

E2/G

E2/H

 

IR/FONT>

Closed

Open

Open

Open

Open

Open

Open

Open

IRQ3

Open

Closed

Open

Open

Open

Open

Open

Open

 

IRQ4

Open

Open

Closed

Open

Open

Open

Open

Open

 

IRQ5

Open

Open

Open

Closed

Open

Open

Open

Open

 

IRQ10

Open

Open

Open

Open

Closed

Open

Open

Open

 

IRQ11

Open

Open

Open

Open

Open

Closed

Open

Open

 

IRQ12

Open

Open

Open

Open

Open

Open

Closed

Open

 

IRQ15

Open

Open

Open

Open

Open

Open

Open

Closed

SERIAL INTERRUPT MODE SELECTION PORT 1

IRQ

E3

Normal

Pins 2 & 3 closed

 

Shared Interrupt mode

Pin 1 & 2 closed

 

None

Open

SERIAL INTERRUPT MODE SELECTION PORT 2

IRQ

E4

Normal

Pins 2 & 3 closed

 

Shared Interrupt mode

Pin 1 & 2 closed

 

None

Open

MISCELLANEOUS TECHNICAL NOTES

As an option, J1 can be replaced with a DB-25 connector.