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USB Configuration
The following information is displayed:
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USB Devices
XHCI Hand-off
This is a work-around solution for operating systems that do not support Extensible Host
Controller Interface (XHCI) 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 provides complete legacy USB
keyboard support for operating systems that do not support legacy USB devices. The options
are Disabled and Enabled.
Network Configuration
Network Stack
Select Enabled to enable Preboot Execution Environment (PXE) or Unified Extensible
Firmware Interface (UEFI) for network stack support. The options are Disabled and Enabled.
IPv4 PXE Support (Available when "Network Stack" is set to Enabled)
Select Enabled to enable IPv4 PXE boot support. If this feature is disabled, it will not create
the IPv4 PXE boot option. The options are Disabled and Enabled.
IPv4 HTTP Support (Available when "Network Stack" is set to Enabled)
Select Enabled to enable IPv4 HTTP boot support. If this feature is disabled, it will not create
the IPv4 HTTP boot option. The options are Disabled and Enabled.
IPv6 PXE Support (Available when "Network Stack" is set to Enabled)
Select Enabled to enable IPv6 PXE boot support. If this feature is disabled, it will not create
the IPv6 PXE boot option. The options are Disabled and Enabled.
IPv6 HTTP Support (Available when "Network Stack" is set to Enabled)
Select Enabled to enable IPv6 HTTP boot support. If this feature is disabled, it will not create
the IPv6 HTTP boot option. The options are Disabled and Enabled.
PXE Boot Wait Time (Available when "Network Stack" is set to Enabled)
Use this feature to set the wait time (in seconds) that the system BIOS will wait for you to
press the <ESC> key to abort PXE boot instead of proceeding with PXE boot by connecting
to a network server immediately. Press <+> or <-> on your keyboard to change the value.
The default setting is 0.
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Chapter 4: UEFI BIOS
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