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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.