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3-15
BIOS Setup
Onboard I/O Chip Setup
Press <Enter> to enter the sub-menu and the following screen appears:
Onboard FDC Controller
Select [Enabled] if your system has a floppy disk controller (FDD) installed on
the system board and you wish to use it. If you install add-on FDC or the system
has no floppy drive, select [Disabled] in this field. The settings are: [Enabled],
[Disabled].
Onboard Serial Port 1
Select an address and corresponding interrupt for the first serial port. The
settings are: [3F8/IRQ4], [2E8/IRQ3], [3E8/IRQ4], [2F8/IRQ3], [Disabled], [Auto].
IR Function Select
This setting allows you to specify the operation mode for serial port 2. Setting
options: [IrDA], [ASKIR], [Disable].
[Disable]
RS-232C Serial Port
[IrDA]
IrDA-compliant Serial Infrared Port
[ASKIR]
Amplitude Shift Keyed Infrared Port
RxD, TxD Active
This setting controls the receiving and transmitting speed of the IR peripheral in
use. Setting options: [Hi,Hi], [Hi,Lo], [Lo,Hi], [Lo,Lo].
IR Transmission Delay
This setting determines whether the IR transmission rate will be delayed while
converting to receiving mode. Setting options: [Disabled], [Enabled].
UR2 Duplex Mode
This setting controls the operating mode of IR transmission/reception. Setting
options: [Full], [Half]. Under [Full] Duplex mode, synchronous, bi-directional trans-
mission/reception is allowed. Under [Half] Duplex mode, only asynchronous, bi-
directional transmission/reception is allowed.
Use IR Pins
Please consult your IR peripheral documentation to select the correct setting of
the TxD and RxD signals. Setting options: [RxD2/TxD2], [IR-Rx2Tx2].