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# DIAMOND FLOWER, INC.
DIO-500
Card Type Multi I/O
Chipset/Controller Microcomp Industries
I/O Options Game port, parallel port, serial ports (2)
Maximum DRAM N/A
(IMG) IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|-------------------+----------+------------------+----------|
| Serial port 2 | J1 | Serial port 1 | J3 |
|-------------------+----------+------------------+----------|
| Game port | J2 | Parallel port | J4 |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT CONFIGURATION |
|------------------------------------------------------------|
| Port 1 (J3) | Port 2 (J1) | SW1/2 | SW1/3 | SW1/7 | SW1/8 |
|--------------+-------------+-------+-------+-------+-------|
| » | COM1 | COM2 | On | On | On | On |
|---+----------+-------------+-------+-------+-------+-------|
| | COM2 | COM3 | Off | On | On | On |
|---+----------+-------------+-------+-------+-------+-------|
| | COM3 | COM4 | On | Off | On | On |
|---+----------+-------------+-------+-------+-------+-------|
| | Disabled | Disabled | N/A | N/A | Off | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 1 (J3) | SW2/5 | SW2/6 | SW2/7 | SW2/8 |
|----------------+----------+----------+----------+----------|
| » | IRQ4 | Off | Off | On | Off |
|-----+----------+----------+----------+----------+----------|
| | IRQ3 | Off | On | Off | Off |
|-----+----------+----------+----------+----------+----------|
| | IRQ2 | On | Off | Off | Off |
|-----+----------+----------+----------+----------+----------|
| | IRQ5 | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| Port 2 (J1) | SW2/1 | SW2/2 | SW2/3 | SW2/4 |
|----------------+----------+----------+----------+----------|
| » | IRQ3 | Off | On | Off | Off |
|-----+----------+----------+----------+----------+----------|
| | IRQ4 | Off | Off | On | Off |
|-----+----------+----------+----------+----------+----------|
| | IRQ2 | On | Off | Off | Off |
|-----+----------+----------+----------+----------+----------|
| | IRQ5 | Off | Off | Off | On |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT NORMAL/FORCED TRUE CONFIGURATION |
|------------------------------------------------------------|
| Port 1 | Port 2 | JP1 | 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 J3 | Secondary serial port J1 |
|-----------------------------+------------------------------|
| Jumper JP4 | Jumper JP3 |
| | |
(IMG) IMG 2
| | [3][IMG] |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| Parallel port | LPT | SW1/1 | SW1/5 |
|--------------------+-----------+-------------+-------------|
| » | Enabled | 1 | Off | On |
|----+---------------+-----------+-------------+-------------|
| | Disabled | 2 | On | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT INTERRUPT SELECTION |
|------------------------------------------------------------|
| IRQ | JP5 |
|---------------------------------+--------------------------|
| » | 7 | Closed |
|----------+----------------------+--------------------------|
| | 5 | Open |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT CONFIGURATION |
|------------------------------------------------------------|
| Port | SW1/4 |
|----------------------------------+-------------------------|
| » | Enabled | On |
|----+-----------------------------+-------------------------|
| | Disabled | Off |
+------------------------------------------------------------+
+------------------------------------------------------------+
| FACTORY CONFIGURED - DO NOT ALTER |
|------------------------------------------------------------|
| Switch | Position |
|-----------------------------+------------------------------|
| SW1/6 | N/A |
+------------------------------------------------------------+