SDL COMMUNICATIONS, INC.

RISCOM/8RJ (REV. C)

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

Function

Label

RS-422/485 serial port 1

CN1

RS-422/485 serial port 5

CN5

RS-422/485 serial port 2

CN2

RS-422/485 serial port 6

CN6

RS-422/485 serial port 3

CN3

RS-422/485 serial port 7

CN7

RS-422/485 serial port 4

CN4

RS-422/485 serial port 8

CN8

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

 

IR/FONT>

Closed

Open

Open

Open

Open

 

IRQ3

Open

Closed

Open

Open

Open

 

IRQ4

Open

Open

Closed

Open

Open

»

IRQ5

Open

Open

Open

Closed

Open

 

IRQ6

Open

Open

Open

Open

Closed

 

IRQ7

Open

Open

Open

Open

Open

 

IRQ10

Open

Open

Open

Open

Open

 

IRQ11

Open

Open

Open

Open

Open

 

IRQ12

Open

Open

Open

Open

Open

 

IRQ15

Open

Open

Open

Open

Open

INTERRUPT SELECTION (CON’T)

Setting

J10/F

J10/G

J10/H

J10/I

J10/J

 

IR/FONT>

Open

Open

Open

Open

Open

 

IRQ3

Open

Open

Open

Open

Open

 

IRQ4

Open

Open

Open

Open

Open

»

IRQ5

Open

Open

Open

Open

Open

 

IRQ6

Open

Open

Open

Open

Open

 

IRQ7

Closed

Open

Open

Open

Open

 

IRQ10

Open

Closed

Open

Open

Open

 

IRQ11

Open

Open

Closed

Open

Open

 

IRQ12

Open

Open

Open

Closed

Open

 

IRQ15

Open

Open

Open

Open

Closed

BASE I/O ADDRESS SELECTION

Setting

S1/1

S1/2

S1/3

S1/4

S1/5

S1/6

 

100h

On

On

On

On

Off

On

 

110h

Off

On

On

On

Off

On

 

120h

On

Off

On

On

Off

On

 

130h

Off

Off

On

On

Off

On

 

140h

On

On

Off

On

Off

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 48 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)