User Manual

Chapter 5: BIOS Setup
5-28
USB Configuration
USB Precondition [Disabled]
AllowsyoutoenableordisablepreconditionworkonUSBhostcontrollerandrootports
for faster enumeration.
Congurationoptions:[Disabled][Enabled]
XHCI Manual Mode [Disabled]
This option is used by validation.
Congurationoptions:[Disabled][Enabled]
The following items appear only when
XHCI Manual Mode
is set to
[Enabled]
.
Trunk Clock Gating (BTCG) [Enabled]
Allows you to enable or disable BTCG.
Congurationoptions:[Disabled][Enabled]
Enable USB 3.0 pins [Disable all pins]
Allows you to enable or disable USB 3.0 pins or on a per pin basis.
Congurationoptions:[SelectPer-Pin][Disableallpins][Enableallpins]
USB Per-Connector Disable [Disabled]
Allows you to enable or disable each of the USB physical connectors. Once a
connectorisdisabled,anyUSBdevicespluggedintotheconnectorwillnotbedetected
by BIOS or OS.
Congurationoptions:[Disabled][Enabled]
The following items appear only when
USB Per-Connector Disable
is set to
[Enabled]
.
USB_1-2 [Enabled]
Congurationoptions:[Disabled][Enabled]
USB3_1-2 [Enabled]
Congurationoptions:[Disabled][Enabled]
Security Configuration
SMM BIOS Write Protect [Enabled]
AllowsyoutoenableordisableSMMBIOSWriteProtect.
Congurationoptions:[Disabled][Enabled]
DCI Auto Detect Enable [Disabled]
Whenenabled,itdetectsDCIbeingconnectedduringBIOSPOSTtimeandenablesDCI.
Congurationoptions:[Disabled][Enabled]