Asus X99-E WS User Manual page 113

xHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an xHCI hand-off
feature.
[Disabled] Disables the xHCI Hand-off support.
EHCI Hand-off [Disabled]
[Enabled] Enables the support for operating systems without an EHCI hand-off
feature.
[Disabled] Disables the EHCI Hand-off support.
USB Single Port Control
This item allows you to enable or disable the individual USB ports.
Refer to section 1.2.2 Motherboard layout for the location of the USB ports.
ASUS X99-E WS
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