User`s manual

BIOS Setup
57
UART Mode Select
Select an operating mode for the serial port.
Setting Description
IrDA Infrared port
ASKIR Amplitude shift keyed infrared port
Normal RS-232C serial port
RxD, TxD Active
Settings: [Hi.Hi, Hi.Lo, Lo.Hi, Lo.Lo]
IR Transmission Delay
Settings: [Disabled, Enabled]
UR2 Duplex Mode
Settings: [Full, Half]
Use IR Pins
Settings: [RxD2.TxD2, IR-Rx2Tx2]