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# UNIDENTIFIED
YL-24
Card Type Multi I/O card
Chipset/Controller Unknown
I/O Options Parallel port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 1 | CN1 | Serial port 2 | CN3 |
|-------------------+----------+------------------+----------|
| Parellel port | CN2 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port 2 | SW1/1 | SW1/2 |
|---------------+---------------+--------------+-------------|
| Enabled | Disabled | On | Off |
|---------------+---------------+--------------+-------------|
| Disabled | Enabled | Off | On |
|---------------+---------------+--------------+-------------|
| Disabled | Disabled | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | SW1/3 | SW1/4 | SW1/5 | SW1/6 |
|----------+------------+------------+-----------+-----------|
| 1 | On | On | Off | Off |
|----------+------------+------------+-----------+-----------|
| 2 | Off | On | On | Off |
|------------------------------------------------------------|
| Note: For LPT2 on AT models switches 3 & 4 are Off and 5 & |
| 6 are on. |
+------------------------------------------------------------+