Jetway Computer NF9HG - Manual (Page 34)

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When set as [Enabled], the following sub-items shall appear:
Ipv4 PXE Support
The optional settings are: [Disabled]; [Enabled].
Use this item to enable Ipv4 PXE Boot Support. When set as [Disabled], Ipv4 boot
option will not be created.
Ipv6 PXE Support
The optional settings are: [Disabled]; [Enabled].
Use this item to enable Ipv6 PXE Boot Support. When set as [Disabled], Ipv6 boot
option will not be created.
PXE boot wait time
Use this item to set wait time to press [ESC] key to abort the PXE boot.
 CSM Configuration
Press [Enter] to make settings for the following sub-items:
Option ROM execution order
Network
This item controls the execution of UEFI and legacy PXE OpROM.
The optional settings are: [Do not launch]; [UEFI only]; [Legacy only].
Storage
This item controls the execution of UEFI and Legacy Storage OpROM.
The optional settings are: [Do not launch]; [UEFI only]; [Legacy only] ; [UEFI first];
[Legacy first].
Other PCI devices
This item determines OpROM execution policy for devices other than Network,
storage or video.
The optional settings are: [UEFI first]; [Legacy first].
 USB Configuration
Press [Enter] to make settings for the following sub-items:
USB Configuration
Legacy USB Support
The optional settings are: [Enabled]; [Disabled]; [Auto].
[Enabled]: To enable legacy USB support.
[Disabled]: To keep USB devices available only for EFI specification,
[Auto]: To disable legacy support if no USB devices are connected.
XHCI Hand-off