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USB Configuration
USB Precondition [Disabled]
Allows you to enable or disable precondition work on USB host controller and root ports
for faster enumeration.
Configuration options: [Disabled] [Enabled]
XHCI Manual Mode [Disabled]
This option is used by validation.
Configuration options: [Disabled] [Enabled]
The following items appear only when XHCI Manual Mode is set to [Enabled].
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.
Configuration options: [Disabled] [Enabled]
The following items appear only when USB Per-Connector Disable is set to [Enabled].
Security Configuration
SMM BIOS Write Protect [Enabled]
Allows you to enable or disable SMM BIOS Write Protect.
Configuration options: [Disabled] [Enabled]
DCI Auto Detect Enable [Disabled]
When enabled, it detects DCI being connected during BIOS POST time and enables DCI.
Configuration options: [Disabled] [Enabled]
5-28
Trunk Clock Gating (BTCG) [Enabled]
Allows you to enable or disable BTCG.
Configuration 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.
Configuration options: [Select Per-Pin] [Disable all pins] [Enable all pins]
USB_1-2 [Enabled]
Configuration options: [Disabled] [Enabled]
USB3_1-2 [Enabled]
Configuration options: [Disabled] [Enabled]
Chapter 5: BIOS Setup
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