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# UNIDENTIFIED
MP456G
Card Type Multi I/O card
Chipset/Controller Winbond
I/O Options Game port, parallel ports, serial ports (2)
Maximum DRAM N/A
IMG IMG 1
+------------------------------------------------------------+
| CONNECTIONS |
|------------------------------------------------------------|
| Purpose | Location | Purpose | Location |
|----------------------+----------+---------------+----------|
| Parallel port | J2 | Serial port 2 | J4 |
| | | (COM2/4) | |
|----------------------+----------+---------------+----------|
| Serial port 1 | J3 | Game port | J5 |
| (COM1/3) | | | |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 1 CONFIGURATION |
|------------------------------------------------------------|
| COM | J6 | J7 |
|-----------------+-------------------+----------------------|
| » | COM1 (3F8h) | Pins 1 & 2 closed | Pins 1 & 2, 4 & 5 |
| | | | closed |
|---+-------------+-------------------+----------------------|
| | COM3 (3E8h) | Pins 1 & 2 closed | Pins 2 & 3, 4 & 5 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| SERIAL PORT 2 CONFIGURATION |
|------------------------------------------------------------|
| COM | J6 | J7 |
|-----------------+-------------------+----------------------|
| » | COM2 (2F8h) | Pins 5 & 6 closed | Pins 7&8, 10&11 |
| | | | closed |
|---+-------------+-------------------+----------------------|
| | COM4 (2E8h) | Pins 5 & 6 closed | Pins 8&9, 10&11 |
| | | | closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| PARALLEL PORT CONFIGURATION |
|------------------------------------------------------------|
| LPT1 | LPT2 | J6 | J7 |
|--------------+----------+--------------+-------------------|
| » | Enabled | Disabled | Pins 14 & 15 | Pins 13 & 14, 16 |
| | | | closed | & 17 closed |
|---+----------+----------+--------------+-------------------|
| | Disabled | Enabled | Pins 14 & 15 | Pins 14 & 15, 16 |
| | | | closed | & 17 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| GAME PORT CONFIGURATION |
|------------------------------------------------------------|
| Setting | J7 |
|----------------------------+-------------------------------|
| » | Enabled | Pins 19 & 20 closed |
|---+------------------------+-------------------------------|
| | DIsabled | Pins 20 & 21 closed |
+------------------------------------------------------------+
+------------------------------------------------------------+
| MISCELLANEOUS TECHNICAL NOTES |
|------------------------------------------------------------|
| Serial port 1 uses IRQ4, serial port 2 uses IRQ3, parallel |
| port uses IRQ7 |
+------------------------------------------------------------+