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South Bridge
USB Module Version
This feature display current USB module version.
USB Devices
This feature display current USB device.
Legacy USB Support
This feature enables support for USB 2.0 and older. The options are Enabled, Disabled,
and Auto. Default setting is Enabled.
XHCI Hand-off
This is a work-around solution for operating systems that do not support XHCI (Extensible
Host Controller Interface) hand-off. The XHCI ownership changes should be claimed by
the XHCI driver. The options are Enabled and Disabled.
Port 60/64 Emulation
Select Enabled for legacy I/O support for USB devices such as mice and keyboards. The
options are Enabled and disabled. Default setting is Enabled.
PCIe PLL SSC
Select Enable for PCH PCIe Spread Spectrum Clocking support, which will allow the BIOS
to monitor and attempt to reduce the level of Electromagnetic Interference caused by the
components whenever needed. The options are Disable and Enable.
Server ME (Management Engine) Information
This feature displays the following system ME configuration settings.
•
General ME Configuration
•
Operational Firmware Version
•
Backup Firmware Type
•
Recovery Firmware Version
•
ME Firmware Status #1
•
ME Firmware Status #2
•
Current State
•
Error Code
77
Chapter 4: UEFI BIOS
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