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# INDUSTRIAL COMPUTER SOURCE
16REL
Card Type Parallel card
I/O Options parallel ports (2)
Data Bus 8-bit ISA
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|--------------------------------------+---------------------|
| 2 parallel ports via DB-37 connector | CN1 |
+------------------------------------------------------------+
+---------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|---------------------------------------------------------------|
|Address|Address|SW1/1|SW1/2|SW1/3|SW1/4|SW1/5|SW1/6|SW1/7|SW1/8|
|Port A |Port B | | | | | | | | |
|-------+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |282| 283 | Off | On | Off | On | On | On | On | On |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |286| 287 | Off | On | Off | On | Off | On | On | Off |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |2EA| 2EB | Off | On | Off | Off | Off | On | Off | On |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |2EE| 2EF | Off | On | Off | Off | Off | On | Off | Off |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
|ยป |302| 303 | Off | Off | On | On | On | On | On | On |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |306| 307 | Off | Off | On | On | On | On | On | Off |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |322| 323 | Off | Off | On | On | Off | On | On | On |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |38A| 38B | Off | Off | Off | On | On | On | Off | On |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |3A2| 3A3 | Off | Off | Off | On | Off | On | On | On |
|---+---+-------+-----+-----+-----+-----+-----+-----+-----+-----|
| |3A6| 3A7 | Off | Off | Off | On | Off | On | On | Off |
|---------------------------------------------------------------|
| 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=512, SW1/2=256, SW1/3=128, SW1/4=64, |
|SW1/5=32, SW1/6=16, SW1/7=8, SW1/8=4. Turn off the switches and|
|add the values of the switches, including an additional value |
|of 2 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). |
+------------------------------------------------------------+