P4 TGQ-M775 BIOS Setup
User’s Manual
21
5.3 S
UPER
I/O D
EVICE
5.3.1
Onboard FDC Controller
Select Enabled if your system has a floppy disk controller (FDC)
installed on the system board and you wish to use it. If install and FDC
or the system has no floppy drive, select Disabled in this field.
The Choices: Enabled
(default), Disabled.
5.3.2
Onboard Serial Port 1
Select an address and corresponding interrupt for the first and second
serial ports.
The Choices: 3F8/IRQ4
(default), Disabled, Auto,
2F8/IRQ3,
3E8/IRQ4, 2E8/IRQ3.
5.3.3
Onboard IR Function
5.3.4
UART Mode Select
This item allows you to determine which Infrared (IR) function of
onboard I/O chip.
The Choices:
Normal, ASKIR,
IrDA
(default), SCR.
5.3.5 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.
The Choices: Half
(default), Full.
