MSI G52-74111X2 Manual page 48

MS-7411 Mainboard
USB Configuration
Press <Enter> and the following sub-menu appears:
M odule Version - 2.24.3-13.4
USB Devices Enabled: 1 Keyboard, 1 Drive
Legacy USB Support
Set to [Enabled] if your need to use any USB 1.1/ 2.0 device in the operating
system that does not support or have any USB 1.1/ 2.0 driver installed, such
as DOS and SCO Unix. Set to [Disabled] only if you want to use any USB device
other than the USB mouse.
USB 2.0 Controller Mode
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.
BIOS EHCI Hand-Off
This is a workaround for OSes without EHCI hand-off support. The EHCI
ownership change should claim by EHCI driver.
USB Mass Storage Device Configuration
Press <Enter> and the following sub-menu appears:
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