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RISCOM/8 (REV. E)

SDL COMMUNICATIONS, INC.

RISCOM/8 (REV. E)

Card Type

Serial

Processor

Cirrus Logic CL-CD180

Processor Speed

10MHz

I/O Options

Serial ports (8)

Data Bus

16-bit ISA

CONNECTIONS

Function

Label

RS-422/485 serial ports via DB-78 connector

CN1

Note:Standard DB-25 serial ports are provided on an included adapter cable.

USER CONFIGURABLE SETTINGS

Setting

Label

Position

Port 1 is RS-485 interface

J1

Closed

 

Port 1 is RS-422 interface

J1

Open

Port 2 is RS-485 interface

J2

Closed

 

Port 2 is RS-422 interface

J2

Open

Port 3 is RS-485 interface

J3

Closed

 

Port 3 is RS-422 interface

J3

Open

Port 4 is RS-485 interface

J4

Closed

 

Port 4 is RS-422 interface

J4

Open

Port 5 is RS-485 interface

J5

Closed

 

Port 5 is RS-422 interface

J5

Open

Port 6 is RS-485 interface

J6

Closed

 

Port 6 is RS-422 interface

J6

Open

Port 7 is RS-485 interface

J7

Closed

 

Port 7 is RS-422 interface

J7

Open

Port 8 is RS-485 interface

J8

Closed

 

Port 8 is RS-422 interface

J8

Open

Port 1 is terminated

J9/A

Closed

 

Port 1 is not terminated

J9/A

Open

Port 2 is terminated

J9/B

Closed

 

Port 2 is not terminated

J9/B

Open

USER CONFIGURABLE SETTINGS (CONT)

Setting

Label

Position

Port 3 is terminated

J9/C

Closed

 

Port 3 is not terminated

J9/C

Open

Port 4 is terminated

J9/D

Closed

 

Port 4 is not terminated

J9/D

Open

Port 5 is terminated

J9/E

Closed

 

Port 5 is not terminated

J9/E

Open

Port 6 is terminated

J9/F

Closed

 

Port 6 is not terminated

J9/F

Open

Port 7 is terminated

J9/G

Closed

 

Port 7 is not terminated

J9/G

Open

Port 8 is terminated

J9/H

Closed

 

Port 8 is not terminated

J9/H

Open

Note:On some versions of this card, J9 may be a one-use shunt block.

WAIT STATE SELECTION

Setting

S1/7

S1/8

0

On

On

 

1

Off

On

 

2

On

Off

INTERRUPT SELECTION

Setting

J10/A

J10/B

J10/C

J10/D

J10/E

J10/F

J10/G

J10/H

 

IRQ3

Closed

Open

Open

Open

Open

Open

Open

Open

 

IRQ4

Open

Closed

Open

Open

Open

Open

Open

Open

IRQ5

Open

Open

Closed

Open

Open

Open

Open

Open

 

IRQ7

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

BASE I/O ADDRESS SELECTION

Setting

S1/1

S1/2

S1/3

S1/4

S1/5

S1/6

 

000h

On

On

On

On

On

On

 

010h

Off

On

On

On

On

On

 

020h

On

Off

On

On

On

On

 

030h

Off

Off

On

On

On

On

 

040h

On

On

Off

On

On

On

220h

On

Off

On

On

On

Off

 

3B0h

Off

Off

On

Off

Off

Off

 

3C0h

On

On

Off

Off

Off

Off

 

3D0h

Off

On

Off

Off

Off

Off

 

3E0h

On

Off

Off

Off

Off

Off

 

3F0h

Off

Off

Off

Off

Off

Off

Note: A total of 64 base address settings are available. The switches are a binary representation of the decimal memory addresses. S1/6 is the Most Significant Bit and switch S1/1 is the Least Significant Bit. The switches have the following decimal values: S1/6=512, S1/5=256, S1/4=128, S1/3=64, S1/2=32, S1/1=16. Turn off the switches and add the values of the switches that are off to obtain the correct memory address. (Off=1, On=0)