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# KOUWELL ELECTRONIC CORPORATION
KM-528
Card Type Multi I/O card
Chipset/Controller National Semiconductor
I/O Options Floppy drive interface, game port, parallel
port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Serial port 1 | CN2 | Game port DB-15 | CN4B |
|--------------------+----------+-----------------+----------|
| Serial port 2 | CN3 | Parallel port | CN5 |
|--------------------+----------+-----------------+----------|
| Game port 16-pin | CN4A | | |
| header | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED SETTINGS |
|------------------------------------------------------------|
| Jumpers | Settings |
|----------------------------+-------------------------------|
| J1 | Pins 2 & 3, 4 & 5 closed |
|----------------------------+-------------------------------|
| J2 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| J3 | Pins 2 & 3, 4 & 5 closed |
|----------------------------+-------------------------------|
| J4 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| J5 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| J6 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| J7 | Pins 2 & 3 closed |
|----------------------------+-------------------------------|
| J8 | Pins 2 & 3 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (CN2) | Port 2 | J10A | J10B | J10C | J10D |
| | (CN3) | | | | |
|--------------+----------+--------+--------+--------+-------|
| » | COM1 | COM2 | Open | Open | Pins 1 | Pins |
| | | | | | & 2 | 2 & 3 |
|---+----------+----------+--------+--------+--------+-------|
| | COM1 | Disabled | Open | Open | Open | Pins |
| | | | | | | 2 & 3 |
|---+----------+----------+--------+--------+--------+-------|
| | Disabled | COM2 | Open | Open | Pins 1 | Open |
| | | | | | & 2 | |
|---+----------+----------+--------+--------+--------+-------|
| | COM3 | COM4 | Pins 1 | Pins 2 | Open | Open |
| | | | & 2 | & 3 | | |
|---+----------+----------+--------+--------+--------+-------|
| | COM3 | Disabled | Open | Pins 2 | Open | Open |
| | | | | & 3 | | |
|---+----------+----------+--------+--------+--------+-------|
| | Disabled | COM4 | Pins 1 | Open | Open | Open |
| | | | & 2 | | | |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECT |
|------------------------------------------------------------|
| Port 1 (CN2) | Port 2 | J12A | J12B | J12C | J12D |
| | (CN3) | | | | |
|--------------+----------+--------+--------+--------+-------|
| » | IRQ4 | IRQ3 | Open | Pins 1 | Pins 2 | Open |
| | | | | & 2 | & 3 | |
|---+----------+----------+--------+--------+--------+-------|
| | IRQ4 | Disabled | Open | Open | Pins 2 | Open |
| | | | | | & 3 | |
|---+----------+----------+--------+--------+--------+-------|
| | Disabled | IRQ3 | Open | Pins 1 | Open | Open |
| | | | | & 2 | | |
|---+----------+----------+--------+--------+--------+-------|
| | IRQ5 | IRQ2 | Pins 1 | Open | Open | Pins |
| | | | & 2 | | | 2 & 3 |
|---+----------+----------+--------+--------+--------+-------|
| | IRQ5 | Disabled | Open | Open | Open | Pins |
| | | | | | | 2 & 3 |
|---+----------+----------+--------+--------+--------+-------|
| | Disabled | IRQ2 | Pins 1 | Open | Open | Open |
| | | | & 2 | | | |
|------------------------------------------------------------|
| Note:Pins designated should be in the closed position. |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | Mode | J9 | J11 |
|-------+----------------+-----------------+-----------------|
| » | 1 | Unidirectional | Pins 1 & 2 | Pins 4 & 5 |
| | | | closed | closed |
|---+---+----------------+-----------------+-----------------|
| | 2 | Bidirectional | Pins 2 & 3 | Pins 5 & 6 |
| | | | closed | closed |
+------------------------------------------------------------+