User`s manual

4.2.4.3 Super IO Device
4.2.4.3.1 Onboard Serial Port 1/2
Select Enabled if your system has a floppy disk controller (FDC) installed on the
system board and you wish to use it. If you are not going to use FDC or the
system has no floppy drive, select Disabled in this field.
4.2.4.3.2 UART Mode Select
Select an address and corresponding interrupt for the first and second serial
ports.
4.2.4.3.3 RxD,TxD Active
This BIOS feature allows to set the infra-red reception (RxD) and transmission
(TxD) polarity. There are four options available, based on combinations of Hi and
Lo. Please consult the IR peripheral's documentation to determine the correct
polarity, or the wrong polarity will prevent a proper IR connection from being
established with the IR peripheral.
4.2.4.3.4 IR transmission Delay
The field enables or disables IR transmission delay function.
4.2.4.3.5 UR2 Duplex Mode
Select the value required by the IR device connected to the IR port. Full-duplex
mode permits simultaneous two-direction transmission. Half-duplex mode permits
transmission in one direction only at a time.
4.2.4.3.6 Use IR Pins
Select the correct setting of TxD and RxD signals.
4.2.4.3.7 PWRON After PWR-Fail
This item is to set whether to run Ac Loss Auto Restart or off
4.2.4.4 Watch Dog Timer Select
This function will determine watch dog timer during the range of 10 Sec., 20 Sec.,
30 Sec., 40 Sec., 1 Min., 2 Min., and 4 Min. The default setting is Disabled.