MSI Crystal 945 User Manual page 50

BIOS Setup
OnBoard Device
Press <Enter> to enter the sub-menu and the following screen appears:
USB Controller
This setting allows you to enable/disable the onboard USB controller. Selecting
[Enabled] enables the system to support both USB 1.1 and 2.0 spec.
USB 2.0 Controller
Set to [Enabled] if you need to use any USB 2.0 device in the operating system
that does not support or have any USB 2.0 driver installed, such as DOS and
SCO Unix.
USB Keyboard/M ouse Support
Set to [Enabled] if you need to use a USB keyboard/mouse in the operating
system that does not support or does not have any USB driver installed, such
as DOS and SCO Unix.
Azalia Audio Select
Azalia is the codename of "High Definition Audio." This setting allows users to
disable/enable the High Definition Audio interface integrated in ICH6 / ICH6R
southbridge.
CardBus Controller
This setting allows you to enable/disable the onboard CardBus controller.
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