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Chapter 4: AMI BIOS
USB 3.0 Support
Select Enabled for USB 3.0 support. The options are Smart Auto, Auto, Enabled,
Disabled, and Manual.
EHCI1
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on
USB 2.0 connector #1 (-at least one USB 2.0 connector should be enabled for EHCI
support.) The options are Disabled and Enabled.
EHCI2
Select Enabled to enable EHCI (Enhanced Host Controller Interface) support on
USB 2.0 connector #2 (-at least one USB 2.0 connector should be enabled for EHCI
support.) The options are Disabled and Enabled.
XHCI Pre-Boot Driver
Select Enabled to enable XHCI (Extensible Host Controller Interface) support on a
pre-boot drive specified by the user. The options are Enabled and Disabled.
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