Power Management Setup - ECS PF21 Extreme User Manual

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UR2 Duplex Mode [Half]

This field is available when UART 2 Mode is set to either ASKIR or IrDA. This item

enables you to determine the infrared function of the onboard infrared chip. The

options are Full and Half (default).

Full-duplex means that you can transmit and send information simultaneously. Half-

duplex is the transmission of data in both directions, but only one direction at a time.

Use IR Pins [IR-Rx2Tx2]

Please consilt your IR peripheral documentation to select the correct setting of the

TxD and RxD signals.

Onboard Parallel Port (378/IRQ7)

This option is used to assign the I/O address and interrupt request (IRQ) for the

onboard parallel port.

Parallel Port Mode (ECP)

Enables you to set the data transfer protocol for your parallel port. There are four

options: SPP (Standard Parallel Port), EPP (Enhanced Parallel Port), ECP (Extended

Capabilities Port) and ECP+EPP.

SPP allows data output only. Extended Capabilities Port (ECP) and Enhanced Parallel

Port (EPP) are bi-directional modes, allowing both data input and output. ECP and EPP

modes are only supported with EPP- and ECP-aware peripherals.

ECP Mode Use DMA (3)

When the onboard parallel port is set to ECP mode, the parallel port can use DMA 3

or DMA 1.

Press <Esc> to return to the Integrated Peripherals page.

3.3-5 Power Management Setup

This option lets you control system power management. The system has

various power-saving modes including powering down the hard disk, turning

off the video, suspending to RAM, and software power down that allows

the system to be automatically resumed by certain events.

Phoenix-AwardBIOS CMOS Setup Utility