UNIDENTIFIED IOAT 41/42 Card Type Multi I/O card Chipset/Controller N/A I/O Options Parallel port, serial ports (2) Maximum DRAM N/A [Image] CONNECTIONS Purpose Location Purpose Location Serial port 1 CN1 Serial port 2 CN3 Parallel port CN2 SERIAL PORT INTERRUPT SELECTION Port 1 (CN1) Port 2 (CN3) JP2/A JP2/B » IRQ4 IRQ3 Pins 10 & 11 Pins 11 & 12 closed closed IRQ3 IRQ4 Pins 11 & 12 Pins 10 & 11 closed closed IRQ5 IRQ7 Pins 8 & 9 Pins 7 & 8 closed closed IRQ7 IRQ5 Pins 7 & 8 Pins 8 & 9 closed closed PARALLEL PORT CONFIGURATION LPT JP1 » 1 Pins 1 & 2 closed 2 Pins 2 & 3 closed PARALLEL PORT INTERRUPT SELECTION IRQ JP1 » 7 Pins 4 & 5 closed 5 Pins 5 & 6 closed SERIAL PORT CONFIGURATION Port 1 (CN1) Port 2 (CN3) JP2/A JP2/B » COM1 COM2 Pins 1 & 2 Pins 2 & 3 closed closed COM1 COM3 Pins 1 & 2 Pins 4 & 5 closed closed COM1 COM4 Pins 1 & 2 Pins 5 & 6 closed closed COM2 COM1 Pins 2 & 3 Pins 1 & 2 closed closed COM2 COM3 Pins 2 & 3 Pins 4 & 5 closed closed COM2 COM4 Pins 2 & 3 Pins 5 & 6 closed closed COM3 COM1 Pins 4 & 5 Pins 1 & 2 closed closed COM3 COM2 Pins 4 & 5 Pins 2 & 3 closed closed COM3 COM4 Pins 4 & 5 Pins 5 & 6 closed closed COM4 COM1 Pins 5 & 6 Pins 1 & 2 closed closed COM4 COM2 Pins 5 & 6 Pins 2 & 3 closed closed COM4 COM3 Pins 5 & 6 Pins 4 & 5 closed closed COM1 Disabled Pins 1 & 2 Open closed COM2 Disabled Pins 2 & 3 Open closed COM3 Disabled Pins 4 & 5 Open closed COM4 Disabled Pins 5 & 6 Open closed Disabled COM1 Open Pins 1 & 2 closed Disabled COM2 Open Pins 2 & 3 closed Disabled COM3 Open Pins 4 & 5 closed Disabled COM4 Open Pins 5 & 6 closed Disabled Disabled Open Open