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 [Image] CONNECTIONS Purpose Location Purpose Location Serial port 2 - J3 Game port J5 internal Serial port 1 - J4 Parallel port J6 internal 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 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 closed open open open IRQ3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 open closed open open IRQ5 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 open open closed open IRQ9 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 Pins 2 & 3 open open open 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 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 open closed open open IRQ4 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 closed open open open IRQ5 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 open open closed open IRQ9 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 Pins 1 & 2 open open open 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