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AMI

BIOS Setup

4-21

AC’97 Audio

This item is used to enable or disable the onboard AC’97 (Audio Codec’97)

feature. Selecting Auto allows the mainboard to detect whether an audio

device is used. If an audio device is detected, the onboard AC’97 controller

will be enabled; if not, the controller is disabled. Disable the function if you

want to use other controller cards to connect an audio device. Settings:

Disabled and Auto.

AC’97 Modem

This item is used to enable or disable the onboard MC’97 (Modem

Codec’97) feature. Selecting Auto allows the mainboard to detect whether a

modem is used. If a modem is detected, the onboard MC’97 controller will be

enabled; if not, the controller is disabled. Disable the controller if you want

to use other controller cards to connect modems. Settings: Auto and

Disabled.

Floppy Controller

This is used to enable or disable the onboard Floppy controller.

Serial Port A/B

These items specify the base I/O port addresses of the onboard Serial Port A

(COM A)/Serial Port B (COM B). Selecting Auto allows AMIBIOS to

automatically determine the correct base I/O port address. Settings: Auto,

Disabled, 3F8/COM1, 2F8/COM2, 3E8/COM3 and 2E8/COM4.

Serial Port B Mode

This item sets the operation mode for Serial Port B (COM B). Settings:

Normal, 1.6 uS, 3/16 Baud and ASKIR.

IR Duplex Mode

This field specifies a duplex value for the IR device connected to COM B.

Option Description

Auto BIOS will automatically determine whether to enable the

onboard Floppy controller or not.

Enabled Enables the onboard Floppy controller.

Disabled Disables the onboard Floppy controller.

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