South Bridge - Supermicro X11DPFF-SN User Manual

South Bridge
The following South Bridge information will display:
•
USB Module Version
•
USB Devices
Legacy USB Support
Select Enabled to support onboard legacy USB devices. Select Auto to disable legacy support
if there are no legacy USB devices present. Select Disable to have all USB devices available
for EFI applications only. The options are Enabled, Disabled and Auto.
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 change should be claimed by the
XHCI driver. The options are Enabled and Disabled.
Port 60/64 Emulation
Select Enabled for I/O port 60h/64h emulation support, which in turn, will provide complete
legacy USB keyboard support for the operating systems that do not support legacy USB
devices. The options are Enabled and Disabled.
PCI-E PLL SSC
Select Enable for PCH PCI-E 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 Enable and Disable.

Server ME (Management Engine) Confi guration
This feature displays the following system ME confi guration settings.
•
General ME Confi guration
•
Operational Firmware Version
•
Backup Firmware Version
•
Recovery Firmware Version
•
ME Firmware Status #1/ME Firmware Status #2
•
Current State
•
Error Code
83
Chapter 4: BIOS