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16REL-L

INDUSTRIAL COMPUTER SOURCE

16REL-L

Card Type

Parallel card

I/O Options

serial port

Data Bus

8-bit ISA

CONNECTIONS

Function

Label

DB-37 connector

CN1

USER CONFIGURABLE SETTINGS: PORT ENABLE/DISABLE

Setting

Label

Position

16REL-L port enabled

SW1/8

On

16REL-L port disabled

SW1/8

Off

BASE I/O ADDRESS SELECTION

Address Port A

Address Port B

SW1/1

SW1/2

SW1/3

SW1/4

SW1/5

SW1/6

SW1/7

300

303

Off

On

On

On

On

On

On

 

304

307

Off

On

On

On

On

On

Off

 

308

30F

Off

On

On

On

On

Off

On

 

310

313

Off

On

On

On

Off

On

On

 

314

317

Off

On

On

On

Off

On

Off

 

320

323

Off

On

On

On

Off

On

On

 

3A0

3A3

Off

Off

On

Off

On

On

On

Note:

A total of 255 base address settings are available. The switches are a binary representation of the decimal memory addresses. SW1/1 is the Most Significant Bit and switch SW1/8 is the Least Significant Bit. The switches have the following decimal values: SW1/1=256, SW1/2=128, SW1/3=64, SW1/4=32, SW1/5=16, SW1/6=8, SW1/7=4. Turn off the switches and add the values of the switches, including an additional value of 512 as a fixed setting, to obtain the correct memory address. (Off=1, On=0)

MISCELLANEOUS TECHNICAL NOTES

An optional cable is required to bring out the B side of the switches to another 37-pin connector (Port B).

The 16REL-L can be installed into any PC expansion slot, except the J8 slot on the original IBM XT and Portable.