UNIDENTIFIED
MT-456
Card Type |
Multi I/O card |
Chipset/Controller |
Unidentified |
I/O Options |
Parallel port, serial ports (2), game port |
Maximum DRAM |
N/A |
CONNECTIONS | |||
Purpose |
Location |
Purpose |
Location |
Serial port 2 - internal |
J3 |
Game port |
J5 |
Serial port 1 - internal |
J4 |
Parallel port |
J6 |
SERIAL PORT 1 CONFIGURATION | |||
COM/Address |
J1/JP1 |
J1/JP2 | |
» |
COM1/3F8h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
COM3/3E8h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
Disabled |
N/A |
Pins 2 & 3 closed |
SERIAL PORT 1 INTERRUPT SELECT | |||||
IRQ |
J2/A |
J2/B |
J2/C |
J2/D | |
» |
IRQ4 |
Pins 2 & 3 closed |
Pins 2 & 3 open |
Pins 2 & 3 open |
Pins 2 & 3 open |
IRQ3 |
Pins 2 & 3 open |
Pins 2 & 3 closed |
Pins 2 & 3 open |
Pins 2 & 3 open | |
IRQ5 |
Pins 2 & 3 open |
Pins 2 & 3 open |
Pins 2 & 3 closed |
Pins 2 & 3 open | |
IRQ9 |
Pins 2 & 3 open |
Pins 2 & 3 open |
Pins 2 & 3 open |
Pins 2 & 3 closed |
SERIAL PORT 2 CONFIGURATION | |||
COM/Address |
J1/JP3 |
J1/JP4 | |
» |
COM2/2F8h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
COM4/2E8h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
Disabled |
N/A |
Pins 2 & 3 closed |
SERIAL PORT 2 INTERRUPT SELECT | |||||
IRQ |
J2/A |
J2/B |
J2/C |
J2/D | |
» |
IRQ3 |
Pins 1 & 2 open |
Pins 1 & 2 closed |
Pins 1 & 2 open |
Pins 1 & 2 open |
IRQ4 |
Pins 1 & 2 closed |
Pins 1 & 2 open |
Pins 1 & 2 open |
Pins 1 & 2 open | |
IRQ5 |
Pins 1 & 2 open |
Pins 1 & 2 open |
Pins 1 & 2 closed |
Pins 1 & 2 open | |
IRQ9 |
Pins 1 & 2 open |
Pins 1 & 2 open |
Pins 1 & 2 open |
Pins 1 & 2 closed |
PARALLEL PORT CONFIGURATION | |||
LPT/Address |
J1/JP5 |
J1/JP6 | |
» |
LPT1/378h |
Pins 1 & 2 closed |
Pins 1 & 2 closed |
LPT2/278h |
Pins 2 & 3 closed |
Pins 1 & 2 closed | |
Disabled |
N/A |
Pins 2 & 3 closed |
PARALLEL PORT INTERRUPT SELECT | |
IRQ |
J2/E |
IRQ5 |
Pins 2 & 3 closed |
IRQ7 |
Pins 1 & 2 closed |
GAME PORT | ||
Setting |
J1/JP7 | |
» |
Enabled |
Pins 1 & 2 closed |
Disabled |
Pins 2 & 3 closed |