MSI K7N2 User Guide - Page 74

Onboard FDC Controller, Onboard Serial Port, UART Mode Select, RxD, TxD Active, IR Transmission

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BIOS Setup 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 and Disabled. Onboard Serial Port Select an address and corresponding interrupt for the first and second serial ports. The settings are: 3F8/IRQ4, 2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3, Disabled, Auto. UART Mode Select This setting allows you to specify the operation mode for serial port 2. Setting options: IrDA, ASKIR, Normal. Normal IrDA ASKIR RS-232C Serial Port IrDA-compliant Serial Infrared Port 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, bidirectional transmission/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, IRRx2Tx2. Onboard Parallel Port There is a built-in parallel port on the on-board Super I/O chipset that 3-19

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BIOS Setup
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
and
Disabled
.
Onboard Serial Port
Select an address and corresponding interrupt for the first and second
serial ports. The settings are:
3F8/IRQ4, 2E8/IRQ3, 3E8/IRQ4, 2F8/IRQ3,
Disabled, Auto
.
UART Mode Select
This setting allows you to specify the operation mode for serial port 2.
Setting options:
IrDA, ASKIR, Normal
.
Normal
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 pe-
ripheral 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 transmission/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
.
Onboard Parallel Port
There is a built-in parallel port on the on-board Super I/O chipset that