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3
BIOS Setup
UART Mode Select
The system board supports IrDA function for wireless connectiv-
ity between your computer and peripheral devices. You may not
use IrDA and the COM 2 serial port at the same time. If you are
using the COM 2 serial port, make sure this field is set to Nor-
mal.
To use the IrDA function, follow the steps below.
1. Connect your IrDA cable to connector J2 on the system
board.
2. Set the “UART Mode Select” field to the type of IrDA
standard suppor ted by your IrDA peripheral/device. For
better transmission of data, your IrDA peripheral device
must be within a 30
o
angle and within a distance of 1 me-
ter.
3. Set the “RxD, TxD Active”, “IR Transmission Delay”, “UR2 Du-
plex Mode” and “Use IR Pins” fields appropriately.
RxD, TxD Active
The options are Hi, Lo; Lo, Hi; Lo, Lo; and Hi, Hi.
IR Transmission Delay
If this field is Enabled, transmission of data will be slower. This is
recommended when you encounter transmission problem with
your device. The options are: Enabled and Disabled.
UR2 Duplex Mode
Half
Data is completely transmitted before receiving data.
Full
Transmits and receives data simultaneously.
Use IR Pins
The options are IR-Rx2Tx2 and RxD2TxD2.
