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 |