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# MULTI-TECH SYSTEMS, INC.
ISI608PC
Card Type Serial interface
Chipset Controller Unidentified
I/O Options Serial ports (8)
Maximum Dram 2MB (factory installed, unknown location)
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location |
|-----------------------------+------------------------------|
| DB-78 | J1 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED-DO NOT ALTER |
|------------------------------------------------------------|
| Switch | Setting |
|------------------------------+-----------------------------|
| SW1/1 | Off |
|------------------------------+-----------------------------|
| SW1/8 | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| 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 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| ADDRESS SELECT |
|------------------------------------------------------------|
| Address | SW1/7 | SW1/6 | SW1/5 | SW1/4 | SW1/3 | SW1/2 |
|----------+--------+--------+-------+-------+-------+-------|
| 100h | Off | On | Off | Off | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 110h | Off | On | Off | Off | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| 120h | Off | On | Off | Off | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 130h | Off | On | Off | Off | On | On |
|----------+--------+--------+-------+-------+-------+-------|
| 200h | On | Off | Off | Off | Off | Off |
| (First | | | | | | |
| card) | | | | | | |
|----------+--------+--------+-------+-------+-------+-------|
| 210h | On | Off | Off | Off | Off | On |
| (Second | | | | | | |
| card) | | | | | | |
|----------+--------+--------+-------+-------+-------+-------|
| 220h | On | Off | Off | Off | On | Off |
| (Third | | | | | | |
| card | | | | | | |
|----------+--------+--------+-------+-------+-------+-------|
| 230h | On | Off | Off | Off | On | On |
| (Fourth | | | | | | |
| card | | | | | | |
|----------+--------+--------+-------+-------+-------+-------|
| 3C0h | On | On | On | On | Off | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 3D0h | On | On | On | On | Off | On |
|----------+--------+--------+-------+-------+-------+-------|
| 3E0h | On | On | On | On | On | Off |
|----------+--------+--------+-------+-------+-------+-------|
| 3F0h | On | On | On | On | On | On |
|------------------------------------------------------------|
| Note: A total of 752 memory base address settings are |
| available. The switches are a binary representation of the |
| decimal addresses. Switch 2 is the Least Significant Bit |
| and switch 7 is the Most Significant Bit. The switches |
| have the following decimal values: switch 2=16, 3=32, |
| 4=64, 5=128, 6=256, 7=512. Add the values of the on |
| switches to obtain the correct memory address. (Off=0, |
| On=1) |
+------------------------------------------------------------+