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 |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Parallel port |
J2 |
Serial port 2 (COM2/4) |
J4 |
Serial port 1 (COM1/3) |
J3 |
Game port |
J5 |
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 closed |
Pins 13 & 14, 16 & 17 closed | |
Disabled |
Enabled |
Pins 14 & 15 closed |
Pins 14 & 15, 16 & 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 |