Boot Mode Selection - Gigabyte GA-A75M-DS2 User Manual

& 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)
& 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
& 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.
& PXE Boot Option Control
Allows you to select whether to enable the UEFI or legacy option ROM for the LAN controller.
Disabled Disables option ROM. (Default)
Legacy only Enables legacy option ROM only.
UEFI only Enables UEFI option ROM only.
Enables legacy option ROM first.
Legacy First
UEFI First Enables UEFI option ROM first.
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
Enables legacy option ROM only. (Default)
Legacy only
UEFI only Enables UEFI option ROM only.
Enables legacy option ROM first.
Legacy First
UEFI First Enables UEFI option ROM first.
This item is configurable 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.
Disables option ROM.
Disabled
Enables legacy option ROM only. (Default)
Legacy only
UEFI only Enables UEFI option ROM only.
Enables legacy option ROM first.
Legacy 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. (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)
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