Allows you to assign COM1 and COM2 to specific functions that you wish to use. In general, COM1 can be assigned to RS-232C(serial port) while COM2 can be assigned to IR (infrared). Select Disabled if you need the resources (3F8/IRQ4 of COM1 and 2F8/IRQ3 of COM2) for other devices.
COM Port (COM3/4)
Allows you to assign COM3 and COM4 to specific functions that you wish to use. In general, COM3 can be assigned to RS-232C(serial port) or touchscreen, while COM4 can be assigned to RS-232C. Select Disabled if you need the resources (3E8/IRQ5 of COM3 and 2E8/IRQ7 of COM4) for other devices.
Setup Configuration Utility (SCU) | 5-9 |