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# MULTI-TECH SYSTEMS, INC.
ISI4608PC
Card Type Serial card
Chip Set Unidentified
Maximum Onboard Memory Unidentified
I/O Options Serial ports (8) via octopus cable
Hard Drives supported None
Floppy drives supported None
Data Bus 16-bit ISA
Card Size Three-quarter length, full-height
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Function | Label |
|-------------------------------+----------------------------|
| 72 pin connector | CN1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| BASE I/O ADDRESS SELECTION |
|------------------------------------------------------------|
|Setting |SW1/1 |SW1/2 |SW1/3 |SW1/4 |SW1/5|SW1/6|SW1/7|SW1/8|
|--------+------+------+------+------+-----+-----+-----+-----|
| |100h | On | On | On | On | On | Off | On | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |108h | Off |On | On | On | On | Off | On | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |110h | On | Off | On | On | On | Off | On | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |118h | Off | Off | On | On | On | Off | On | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |120h | On | On | Off | On | On | Off | On | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |128h | Off | On | Off | On | On | Off | On | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
|» |200h | On | On | On | On | On | On | Off | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |3D8h | Off | Off | On | Off | Off | Off | Off | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |3E0h | On | On | Off | Off | Off | Off | Off | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |3E8h | Off | On | Off | Off | Off | Off | Off | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |3F0h | On | Off | Off | Off | Off | Off | Off | On |
|--+-----+------+------+------+------+-----+-----+-----+-----|
| |3F8h | Off | Off | Off | Off | Off | Off | Off | On |
|------------------------------------------------------------|
| Note: |
| |
|A total of 255 base address settings are available. The |
|switches are a binary representation of the decimal memory |
|addresses. SW1/8 is the Most Significant Bit and switch |
|SW1/1 is the Least Significant Bit. The switches have the |
|following decimal values: SW1/8=1024, SW1/7=512, SW1/6=256, |
|SW1/5=128, SW1/4=64, SW1/3=32, SW1/2=16, SW1/1=8. Turn off |
|the switches and add the values of the switches to obtain |
|the correct memory address. (Off=1, On=0) |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP1 |
|----------------------------+-------------------------------|
| | 2 | Pins 1 & 2 closed |
|----+-----------------------+-------------------------------|
| » | 3 | Pins 3 & 4 closed |
|----+-----------------------+-------------------------------|
| | 4 | Pins 5 & 6 closed |
|----+-----------------------+-------------------------------|
| | 5 | Pins 7 & 8 closed |
|----+-----------------------+-------------------------------|
| | 7 | Pins 9 & 10 closed |
|----+-----------------------+-------------------------------|
| | 10 | Pins 11 & 12 closed |
|----+-----------------------+-------------------------------|
| | 11 | Pins 13 & 14 closed |
|----+-----------------------+-------------------------------|
| | 12 | Pins 15 & 16 closed |
|----+-----------------------+-------------------------------|
| | 15 | Pins 17 & 18 closed |
+------------------------------------------------------------+