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SIO-530

SEALEVEL SYSTEMS, INC.

SIO-530

Card Type

Serial card

Chip Set

Unidentified

Maximum Onboard Memory

Unidentified

I/O Options

Serial port

Hard Drives supported

None

Floppy drives supported

None

Data Bus

8-bit ISA

Card Size

Full-length, full-height

CONNECTIONS

Function

Label

Serial Port

P1

USER CONFIGURABLE SETTINGS

Function

Label

Position

RS-232/Current loop Normal ground

E1/A

Pins 2 & 3 closed

 

RS-530/422/485 100 ohm ground

E1/A

Pins 1 & 2 closed

RS-232/530/485 enabled

E1/B

Pins 2 & 3 closed

 

RS-485 enabled with RTS

E1/B

Pins 1 & 2 closed

Current loop selects RS-232/530/485 receive data

E1/C

Pins 2 & 3 closed

 

Current loop selects current loop receive data

E1/C

Pins 1 & 2 closed

RS-232/422 ring indicator enabled

E1/D

Pins 2 & 3 closed

 

RS-232/422/485/current loop ring indicator set to true

E1/D

Pins 1 & 2 closed

Data Carrier detect selects RS-232

E1/E

Pins 2 & 3 closed

 

Data Carrier detect selects RS-530/485

E1/E

Pins 1 & 2 closed

Data set ready selects RS-232

E1/F

Pins 2 & 3 closed

 

Data set ready selects RS-530/485

E1/F

Pins 1 & 2 closed

Clear to send selects RS-232

E1/G

Pins 2 & 3 closed

 

Clear to send selects RS-530/485

E1/G

Pins 1 & 2 closed

Receive data selects RS-232

E1/H

Pins 2 & 3 closed

 

Receive data selects RS-530/485

E1/H

Pins 1 & 2 closed

 

Receive data selects current loop

E1/H

Open

Port enabled

SW1/8

On

 

Port disabled

SW1/8

Off

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

 

300h

Off

Off

On

On

On

On

On

 

328h

Off

Off

On

On

Off

On

Off

 

3E8h

Off

Off

Off

Off

Off

On

Off

3F8h

Off

Off

Off

Off

Off

Off

Off

SERIAL PORT 1 INTERRUPT SELECTION

IRQ

E3/A

E3/B

E3/C

E3/D

E3/E

 

2/9

Closed

Open

Open

Open

Open

 

3

Open

Closed

Open

Open

Open

4

Open

Open

Closed

Open

Open

 

5

Open

Open

Open

Closed

Open

 

7

Open

Open

Open

Open

Closed

SERIAL INTERRUPT MODE SELECTION

IRQ

E3/F

E3/G

Normal interrupt mode

Closed

Open

 

Shared interrupt mode

Open

Closed

PORT TYPE SELECTION

RS-232 enabled

E2/A-H

Pins 2 & 3 closed

 

RS-530/422/485 enabled

E2/A-H

Pins 1 & 2 closed

 

Current loop with 1 k ohm pull down resistor enabled

E2/A-H

Pins 1 & 2 closed