MSI KT4VL User Guide - Page 75

AC'97 Audio, MC'97 Modem, OnChip USB Controller, USB Legacy Support, Port 64/60 Emulation, Auto - audio drivers

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BIOS Setup AC'97 Audio Auto allows the mainboard to detect whether an audio device is used. If an audio device is detected, the onboard AC'97 (Audio Codec'97) controller will be enabled; if not, it is disabled. Disable the controller if you want to use other controller cards to connect an audio device. Settings: Auto, Disabled. MC'97 Modem Auto allows the mainboard to detect whether a modem is used. If a modem is detected, the onboard AC'97 modem controller will be enabled; if not, it is disabled. Disable the controller if you want to use other controller cards to connect a modem. Settings: Auto, Disabled. OnChip USB Controller This setting is used to enable/disable the onboard USB ports. Setting options: Disabled, 2 USB Ports, 4 USB Ports, 6 USB Ports. USB Legacy Support Set to All Device if you need to use any USB device in the operating system that does not support or have any USB driver installed, such as DOS and SCO Unix. Set to No Mice only if you want to use any USB device other than the USB mouse. Port 64/60 Emulation This field controls the USB Port 64/60 Emulation function. When the function is enabled, the USB keyboard is allowed to type some special combination keys. Setting options: Disabled, Enabled. 3-25

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BIOS Setup
AC’97 Audio
Auto allows the mainboard to detect whether an audio device is used.
If an
audio device is detected, the onboard AC’97 (Audio Codec’97) controller
will be enabled; if not, it is disabled.
Disable the controller if you want to use
other controller cards to connect an audio device.
Settings:
Auto, Disabled
.
MC’97 Modem
Auto allows the mainboard to detect whether a modem is used.
If a modem is
detected, the onboard AC’97 modem controller will be enabled; if not, it is
disabled.
Disable the controller if you want to use other controller cards to
connect a modem.
Settings:
Auto, Disabled
.
OnChip USB Controller
This setting is used to enable/disable the onboard USB ports.
Setting options:
Disabled, 2 USB Ports, 4 USB Ports, 6 USB Ports.
USB Legacy Support
Set to
All Device
if you need to use any USB device in the operating
system that does not support or have any USB driver installed, such as
DOS and SCO Unix.
Set to
No Mice
only if you want to use any USB
device other than the USB mouse.
Port 64/60 Emulation
This field controls the USB Port 64/60 Emulation function. When the
function is enabled, the USB keyboard is allowed to type some special
combination keys. Setting options:
Disabled, Enabled.