Gigabyte GA-Z77-HD3 - Network Stack

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BIOS Setup
& LAN PXE Boot Option ROM
Allows you to select whether to enable the legacy option ROM for the LAN controller. (Default: Disabled)
 ThisitemiscongurableonlywhenCSM Support is set to Always.
& Storage Boot Option Control
Allows you to select whether to enable the UEFI or legacy option ROM for the storage device controller.
Disabled Disables option ROM.
Legacy Only Enables legacy option ROM only. (Default)
UEFI Only Enables UEFI option ROM only.
LegacyFirst EnableslegacyoptionROMrst.
UEFIFirst  EnablesUEFIoptionROMrst.
 ThisitemiscongurableonlywhenCSM Support is set to Always.
& Display Boot Option Control
Allows you to select whether to enable the UEFI or legacy option ROM for the graphics controller.
Disabled Disables option ROM.
Legacy Only Enables legacy option ROM only. (Default)
UEFI Only Enables UEFI option ROM only.
LegacyFirst EnableslegacyoptionROMrst.
UEFIFirst  EnablesUEFIoptionROMrst.
 ThisitemiscongurableonlywhenCSM Support is set to Always.
& Other PCI Device ROM Priority
Allows you to select whether to enable the UEFI or Legacy option ROM for the PCI device controller other
than the LAN, storage device, and graphics controllers.
Legacy OpROM Enables legacy option ROM only.
UEFI OpROM Enables UEFI option ROM only. (Default)
& Network stack
Disables or enables booting from the network to install a GPT format OS, such as installing the OS from
the Windows Deployment Services server. (Default: Disable Link)
& Ipv4 PXE Boot Support
 EnablesordisablesIPv4PXESupport.ThisitemiscongurableonlywhenNetwork stack is enabled.
& Ipv6 PXE Boot Support
 EnablesordisablesIPv6PXESupport.ThisitemiscongurableonlywhenNetwork stack is enabled.