Supermicro A+ AS-2124US-TNRP User Manual page 85

Chapter 6: UEFI BIOS
Network Stack
This setting allows you to Enable or Disable the UEFI Network Stack.
IPv4 PXE Support
This setting allows you to Enable or Disable IPv4 PXE boot support. If disabled, IPv4 PXE
boot support will not be available.
IPv4 HTTP Support
This setting allows you to Enable or Disable IPv4 HTTP boot support. If disabled, IPv4
HTTP boot support will not be available.
IPv6 PXE Support
This setting allows you to Enable or Disable IPv6 PXE boot support. If disabled, IPv6 PXE
boot support will not be available.
PXE boot wait time
Use either +/- or numberic keys to set the value of wait time in seconds and press <Esc>
to abort the PXE boot.
Media detect count
Use either +/- or numberic keys to set the value of number of times the presence of media
will be checked.
USB Configuration
USB Module Version
USB Controllers
USB Devices
Legacy 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 include 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 include Enabled and Disabled.
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