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# KOUWELL ELECTRONIC CORPORATION
KW-509/RS 232C (REVISION 1)
Card Type Serial port card
Chipset/Controller Krueger Company
I/O Options Serial ports (2)
Maximum DRAM N/A
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | J1 | Serial port 2 | J2 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (J1) | Port 2 (J2) | SW1/1 | SW1/2 | SW1/3 | SW1/4 |
|--------------+-------------+-------+-------+-------+-------|
| » | COM1 | COM2 | Off | Off | On | On |
|---+----------+-------------+-------+-------+-------+-------|
| | COM3 | COM4 | On | On | Off | Off |
|---+----------+-------------+-------+-------+-------+-------|
| | Disabled | Disabled | Off | Off | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 1 (J1) | Port 2 (J2) | SW1/5 | SW1/6 | SW1/7 | SW1/8 |
|--------------+-------------+-------+-------+-------+-------|
| » | IRQ4 | IRQ3 | On | Off | Off | On |
|---+----------+-------------+-------+-------+-------+-------|
| | IRQ3 | IRQ4 | Off | On | On | Off |
|---+----------+-------------+-------+-------+-------+-------|
| | Disabled | Disabled | Off | Off | Off | Off |
+------------------------------------------------------------+