I/O Device Configuration

The parameters in this screen are for advanced users only. You do not need to change the values in this screen because these values are already optimized.

The I/O Device Configuration screen assigns resources to basic computer communication hardware.

PhoenixBIOS Setup Utility

Advanced

I/O Device Configuration

Item Specific Help

 

 

 

 

 

 

 

Configure serial port

Serial port:

 

[Enabled]

using options:

 

[Disabled]

Mode:

 

[FIR]

 

No configuration

Base I/O Address:

[2F8]

[Enabled]

Interrupt:

 

[IRQ 3]

 

User Configuration

DMA channel:

 

[DMA 3]

 

[Auto]

 

 

 

Parallel port:

 

[Enabled]

BIOS or OS chooses

 

configuration

Mode:

 

[Bi-directional]

(OS Cintrolled)

Base I/O address:

[378]

Displayed when Controlled

Interrupt:

 

[IRQ7]

by OS

 

 

 

 

 

 

F1 Help

Select Item

F5/F6 Change Values

F9 Setup Defaults

Esc Exit

Select Menu

Enter Select > Sub Menu F10 Save and Exit

NOTE: When the device is disabled, all the sub-items will be showed as [--].

The following table describes the parameters in this screen. Settings in boldface are the default and suggested parameter settings

.

Parameter

Description

Options

 

 

 

Serial Port A

Enables or disables the serial port.

Disabled

 

The serial port is a PnP device. Enabled/Disabled

Enabled

 

setting won’t affect the setting of the serial port in

Auto

 

device manager of Windows.

 

 

When enabled, you can set the base I/O address and

 

 

interrupt request (IRQ) of the serial port.

 

 

Help: [Disabled] : No configuration

 

 

[Enabled] : User configuration

 

 

[Auto] : BIOS or OS chooses configuration

 

 

 

 

Mode

Sets speration mode of the serial port.

COM Port

 

Only set the serial post operation mode in BIOS

FIR

 

Setup.

 

 

Help: Set the mode for the serial port using

 

 

 

 

Base I/O Address

Sets the I/O address of the com operation.

3F8, 2F8, 3E8 or 2E8

 

Help: Set the base I/O address for serial port.

 

 

 

 

Chapter 2

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Acer C110 manual Device Configuration, Enabled