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# KOUWELL ELECTRONIC CORPORATION
KW-509B
Card Type Serial port card
Chipset/Controller Unidentified UART
I/O Options Serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 (25 | J1 | Serial port 2 (9 | J2 |
| pin) | | pin) | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 ADDRESS SELECT |
|------------------------------------------------------------|
| Port 1(J1) | JP5 | JP6 | JP7 | JP8 |
|-------------------+----------+---------+---------+---------|
| » | COM1/3F8-3FFh | All open | All | All | Pins 1 |
| | | | open | open | & 2 |
| | | | | | closed |
|---+---------------+----------+---------+---------+---------|
| | COM2/2F8-2FFh | All open | All | Pins 1 | All |
| | | | open | & 2 | open |
| | | | | closed | |
|---+---------------+----------+---------+---------+---------|
| | COM3/3E8-3EFh | All open | Pins 1 | All | All |
| | | | & 2 | open | open |
| | | | closed | | |
|---+---------------+----------+---------+---------+---------|
| | COM4/2E8-2EFh | Pins 1 & | All | All | All |
| | | 2 closed | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 ADDRESS SELECT |
|------------------------------------------------------------|
| Port 2(J2) | JP5 | JP6 | JP7 | JP8 |
|-------------------+----------+---------+---------+---------|
| » | COM2/2F8-2FFh | All open | All | Pins 2 | All |
| | | | open | & 3 | open |
| | | | | closed | |
|---+---------------+----------+---------+---------+---------|
| | COM1/3F8-3FFh | All open | All | All | Pins 2 |
| | | | open | open | & 3 |
| | | | | | closed |
|---+---------------+----------+---------+---------+---------|
| | COM3/3E8-3EFh | All open | Pins 2 | All | All |
| | | | & 3 | open | open |
| | | | closed | | |
|---+---------------+----------+---------+---------+---------|
| | COM4/2E8-2EFh | Pins 2 & | All | All | All |
| | | 3 closed | open | open | open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 IRQ SELECT |
|------------------------------------------------------------|
| Port | JP1 | JP2 | JP3 | JP4 |
| 1(J1) | | | | |
|-----------+------------+-----------+-----------+-----------|
| » | IRQ4 | All open | Pins 2 & | All open | All open |
| | | | 3 closed | | |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ2 | All open | All open | All open | Pins 2 & |
| | | | | | 3 closed |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ3 | All open | All open | Pins 2 & | All open |
| | | | | 3 closed | |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ5 | Pins 2 & 3 | All open | All open | All open |
| | | closed | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 IRQ SELECT |
|------------------------------------------------------------|
| Port | JP1 | JP2 | JP3 | JP4 |
| 2(J2) | | | | |
|-----------+------------+-----------+-----------+-----------|
| » | IRQ3 | All open | All open | Pins 1 & | All open |
| | | | | 2 closed | |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ2 | All open | All open | All open | Pins 1 & |
| | | | | | 2 closed |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ4 | All open | Pins 1 & | All open | All open |
| | | | 2 closed | | |
|---+-------+------------+-----------+-----------+-----------|
| | IRQ5 | Pins 1 & 2 | All open | All open | All open |
| | | closed | | | |
+------------------------------------------------------------+