3-15
BIOS Setup
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], [Disabled].
[Disabled] 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 con-
verting 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/re-
ception is allowed. Under [Half] Duplex mode, only asynchronous, bi-directional trans-
mission/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 provides Standard,
ECP, and EPP features. It has the following options:
[Disabled]
[3BC/IRQ7] Line Printer port 0
[278/IRQ5] Line Printer port 2
[378/IRQ7] Line Printer port 1
Parallel Port Mode
SPP : Standard Parallel Port
EPP : Enhanced Parallel Port
ECP : Extended Capability Port
ECP + EPP: Extended Capability Port + Enhanced Parallel Port
Normal
SPP/EPP/ECP/ECP+EPP
To operate the onboard parallel port as Standard Parallel Port only, choose [SPP]. To
operate the onboard parallel port in the EPP mode simultaneously, choose [EPP]. By
choosing [ECP], the onboard parallel port will operate in ECP mode only. Choosing
[ECP + EPP] will allow the onboard parallel port to support both the ECP and EPP
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