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# UNIDENTIFIED
BS-301AT
Card Type Multi I/O card
Chipset/Controller Krueger Company
I/O Options Game port, parallel port, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|--------------------+----------+-----------------+----------|
| Serial port (COM1) | CN1 | Game port | J4 |
|--------------------+----------+-----------------+----------|
| Serial port (COM2) | CN2 | Parallel port | J5 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Switch | Position |
|-----------------------------+------------------------------|
| SW1/3 | N/A |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (CN1) | Port 2 (CN2) | SW1/1 | SW1/2 |
|-------------------+---------------+------------+-----------|
| » | COM1 | COM2 | Off | Off |
|---+---------------+---------------+------------+-----------|
| | COM2 | COM3 | On | On |
|---+---------------+---------------+------------+-----------|
| | COM3 | COM4 | On | Off |
|---+---------------+---------------+------------+-----------|
| | Disabled | Disabled | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 1 | Port 2 (CN2) | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
| (CN1) | | | | | |
|-------------+--------------+-------+-------+-------+-------|
| » | IRQ4 | IRQ3 | On | Off | On | Off |
|----+--------+--------------+-------+-------+-------+-------|
| | IRQ3 | IRQ4 | Off | On | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT | Port | JP1 | SW1/4 |
|------------+---------------+-------------------+-----------|
| » | 1 | Enabled | Pins 2 & 3 closed | On |
|---+--------+---------------+-------------------+-----------|
| | 2 | Disabled | Pins 1 & 2 closed | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | SW2/5 | SW2/6 |
|----------------------+------------------+------------------|
| » | 7 | On | Off |
|------+---------------+------------------+------------------|
| | 5 | Off | On |
+------------------------------------------------------------+