Acer Aspire E380 Technical Information PDF herunterladen (Seite 45)

Chapter 2 38

Onboard I/O Chip Setup

Parameter Description Options

Onboard FDC Controller This option enables the onboard floppy disk

drive controller.

Enabled

Disabled

Onboard Serial Port 1/2 This option is used to assign the I/O address

and interrupt request(IRQ) for onboard serial

port 1.

3F8/IRQ4/2F8/IRQ3

UART Mode Select This field is available if the onboard serial port 2

field is set to any option but Disabled. UART

Mode Select enables you to select the infrared

communication protocol-IrDA, ASKIR or SCR

Normal

UR2 Duplex Mode This field is available when UART 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. Full-duplex means that you can transmit

and send information simultaneously. Had-

duplex is the transmission of data in both

directions, but only one direction at a time.

Half-Duplex

Full-Duplex

Onboard Parallel Port This option is used to assign the I?O address

and interrupt request(IRQ) for the onboard

parallel port.

378/IRQ7

Parallel Port Mode 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.

SPP

ECP Mode Use DMA When the onboard parallel port is set to ECP

mode, the parallel port can use DMA 3 or DMA

F5:Previous Values F7:Optimized Defaults

Phoenix-Award WorkstationBIOS CMOS Setup Utility

Super I/O Device

mnlk

: Move Enter: Select +/-/PU/PD:Value F10:Save ESC:Exit F1: General Help

Item Help

Menu Level

Onboard FDC Controller [Enabled]

Onboard Serial Port 1 [3F8/IRQ4]

Onboard Serial Port 2 [2F8/IRQ3]

UART Mode Select [Normal]

UR2 Duplex Mode Half

Onboard Parellel Port [378/IRQ7]

Parallel Port Mode [SPP]

ECP Mode Use DMA [3]

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