User manual

2.6.6 USB Configuration
TheitemsinthismenuallowyoutochangetheUSB‑relatedfeatures.
TheUSB Devices itemshowstheauto‑detectedvalues.IfnoUSBdeviceisdetected,the
itemshowsNone.
Legacy USB Support [Enabled]
[Enabled] YoursystemsupportstheUSBdevicesinlegacyoperatingsystems.
[Disabled] YourUSBdevicescanbeusedforBIOSsetuponlyandcannotbe
recognizedinthebootdeviceslist.
[Auto] YoursystemautomaticallydetectsthepresenceofUSBdevicesatstartup.
IfanyUSBdevicesaredetected,thelegacyUSBsupportisenabled.
XHCI Hand-off [Disabled]
[Enabled] EnablesthesupportforoperatingsystemswithoutanXHCIhand‑off
feature.
[Disabled] DisablestheXHCIHand‑offsupport.
USB Port Disable Override
Allowsyoutoselectivelyenable/disablethecorrespondingUSBportfromreportingaDevice
Connectiontothecontroller.
USB_C1 [Enabled]
Allowsyoutoenable/disableUSB_C1port.Congurationoptions:[Disabled][Enabled]
USB_1112/1314 [Enabled]
Allowsyoutoenable/disableUSB_1112/1314port.Congurationoptions:[Disabled]
[Enabled]
USB3_12/34/78 [Enabled]
Allowsyoutoenable/disableUSB3_12/34/78port.Congurationoptions:[Disabled]
[Enabled]
2‑34 Chapter 2: Getting started