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Chapter 4: AMI BIOS
4-11
XUSB Confi guration
This feature allows the user to confi gure USB settings for the motherboard.
USB Devices Enabled
This item displays the USB devices that are detected by the BIOS.
Legacy USB Support
Select Enabled to use Legacy USB devices. If this item is set to Auto, Legacy USB
support will be automatically enabled if a legacy USB device is installed on the
motherboard, and vise versa. The settings are Disabled, Enabled and Auto.
USB 2.0 Controller Mode
This setting allows you to select the USB 2.0 Controller mode. The options are
Hi-Speed (480 Mbps) and Full Speed (12 Mbps).
BIOS EHCI Hand-Off
Select Enabled to enable BIOS Enhanced Host Controller Interface support to
provide a workaround solution for an operating system that does not have EHCI
Hand-Off support. When enabled, the EHCI Interface will be changed from the BIOS-
controlled to the OS-controlled. The options are Disabled and Enabled.
USB Beep Message
Select Enabled to activate a beep alarm when an error occurs on a USB device at
bootup. The options are Disabled and Enabled.
XIDE Confi guration Submenu
When this submenu is selected, the AMI BIOS automatically detects the presence
of the IDE Devices and displays the following items:
Floppy A
This feature allows the user to select the type of fl oppy drive connected to the sys-
tem. The options are Disabled, 360KB 5 1/4", 1.2MB 5 1/4", 720KB 3 1/2", 1.44MB
3 1/2" and 2.88MB 3 1/2".
SATA#1 Confi guration/SATA#2 Confi guration
This feature allows the user to confi gure SATA#1/SATA#2 settings. The options
for SATA1 are Disabled, Compatible, and Enhanced. The options for SATA2 are
Disabled and Enhanced.