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& Security Option
Specifies whether a password is required every time the system boots, or only when you enter BIOS Setup.
After configuring this item, set the password(s) under the Administrator Password/User Password item.
A password is only required for entering the BIOS Setup program.
Setup
A password is required for booting the system and for entering the BIOS Setup program.
System
(Default)
& Full Screen LOGO Show
Allows you to determine whether to display the GIGABYTE Logo at system startup. Disabled skips the
GIGABYTE Logo when the system starts up. (Default: Enabled)
& OS Type
Allows you to select the operating system to be installed. (Default: Other OS)
& CSM Support
Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process.
Enables UEFI CSM. (Default)
Always
Disables UEFI CSM and supports UEFI BIOS boot process only.
Never
This item is configurable only when OS Type is set to Windows 8.
& Boot Mode Selection
Allows you to select which type of operating system to boot.
UEFI and Legacy Allows booting from operating systems that support legacy option ROM or UEFI option
ROM. (Default)
Legacy Only
Allows booting from operating systems that only support legacy Option ROM.
UEFI Only
Allows booting from operating systems that only support UEFI Option ROM.
This item is configurable only when CSM Support is set to Always.
& 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 configurable 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.
Disables option ROM.
Disabled
Legacy Only
Enables legacy option ROM only. (Default)
UEFI Only
Enables UEFI option ROM only.
Legacy First
Enables legacy option ROM first.
UEFI First
Enables UEFI option ROM first.
This item is configurable 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.
& 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 Support
Enables or disables IPv4 PXE Support. This item is configurable only when Network stack is enabled.
& Ipv6 PXE Support
Enables or disables IPv6 PXE Support. This item is configurable only when Network stack is enabled.
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