User`s manual

59
3
Award BIOS Setup Utility
Onboard Serial Port 1 and Onboard Serial Port 2
Auto The system will automatically select an I/O address for
the onboard serial port 1 and serial port 2.
3F8/IRQ4, 2F8/IRQ3, 3E8/IRQ4, 2E8/IRQ3 Allows you to
manually select an I/O address for the onboard serial
port 1 and serial port 2.
Disabled Disables the onboard serial port 1 and/or serial port 2.
UART 2 Mode
The system board supports IrDA function for wireless connectivity
between your computer and peripheral devices. You may not use
IrDA (J21) and the COM 2 serial port (J6) at the same time. If you
are using the COM 2 serial port, make sure this field is set to
Standard.
To use the IrDA function, follow the steps below.
1. Connect your IrDA cable to connector J21 on the system
board.
2. Set the UART 2 Mode field to the type of IrDA standard
supported by your IrDA peripheral/device (HPSIR or ASKIR).
For better transmission of data, your IrDA peripheral device
must be within a 30
o
angle and within a distance of 1 meter.
3. Set the IR Function Duplex and TX,RX Inverting Enable fields
appropriately.
IR Function Duplex
Half Data is completely transmitted before receiving data.
Full Transmits and receives data simultaneously.
TX,RX Inverting Enable
The options are No, Yes; Yes, No; Yes, Yes; No, No.