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# DIAMOND FLOWER, INC.
DIO-200A
Card Type Multi I/O
Chipset/Controller National Semiconductor
I/O Options Game, parallel port, serial ports (2)
Maximum DRAM N/A
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| External battery | J1 | Serial port 2 | J4 |
| connector | | | |
|----------------------+----------+---------------+----------|
| Serial port 1 | J2 | Parallel port | J5 |
|----------------------+----------+---------------+----------|
| Game port | J3 | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (J4) | Port 2 (J2) | SW2/switch 2 | SW2/switch 3 |
|---------------+--------------+--------------+--------------|
| » | COM1 | COM2 | On | Off |
|---+-----------+--------------+--------------+--------------|
| | COM2 | COM3 | Off | On |
|---+-----------+--------------+--------------+--------------|
| | COM3 | COM4 | On | On |
|---+-----------+--------------+--------------+--------------|
| | Disabled | Disabled | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 1 (J4) | SW1/switch 3 | SW1/switch 4 |
|-------------------+--------------------+-------------------|
| » | IRQ4 | On | Off |
|-----+-------------+--------------------+-------------------|
| | IRQ3 | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 2 (J2) | SW1/switch 1 | SW1/switch 2 |
|-------------------+--------------------+-------------------|
| » | IRQ3 | On | Off |
|-----+-------------+--------------------+-------------------|
| | IRQ4 | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port 2 | JP3 | JP2 |
|-------------+---------+--------------------+---------------|
| » | Normal | Normal | Pins 1 & 2, 4 & 5, | Pins 1 & 2, 4 |
| | | | 7 & 8 closed | & 5, 7 & 8 |
| | | | | closed |
|---+---------+---------+--------------------+---------------|
| | Forced | Forced | Pins 2 & 3, 5 & 6, | Pins 2 & 3, 5 |
| | True | True | 8 & 9 closed | & 6, 8 & 9 |
| | | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT'S DTE/DCE CONFIGURATION |
|------------------------------------------------------------|
| Primary serial port J4 | Secondary serial port J2 |
|-----------------------------+------------------------------|
| Jumper JP4 | Jumper JP1 |
| | |
(IMG) IMG 2
| | [3][IMG] |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT SETTINGS |
|------------------------------------------------------------|
| LPT | SW2/switch 1 |
|----------------------------+-------------------------------|
| » | 1 | Off |
|----+-----------------------+-------------------------------|
| | 2 | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPTS |
|------------------------------------------------------------|
| IRQ | SW1/switch 5 | SW1/switch 6 |
|------------------+--------------------+--------------------|
| » | IRQ7 | Off | On |
|---+--------------+--------------------+--------------------|
| | IRQ5 | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK CONFIGURATION |
|------------------------------------------------------------|
| Clock | SW2/switch 4 |
|------------------------------+-----------------------------|
| » | Enabled | On |
|---+--------------------------+-----------------------------|
| | Disabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| CLOCK INTERRUPT SELECT |
|------------------------------------------------------------|
| IRQ | SW2/switch 7 | SW2/switch 8 |
|----------------------------+---------------+---------------|
| » | 2 | Off | On |
|---+------------------------+---------------+---------------|
| | 5 | On | Off |
+------------------------------------------------------------+