Gigabyte Z390 M User Manual page 31

& SATA Support
Last Boot HDD Only E xcept for the previous boot drive, all SATA devices are disabled before the OS
boot process completes. (Default)
All Sata Devices A ll SATA devices are functional in the operating system and during the POST.
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.
& VGA Support
Allows you to select which type of operating system to boot.
Auto Enables legacy option ROM only.
EFI Driver Enables EFI option ROM. (Default)
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.
& USB Support
Disabled All USB devices are disabled before the OS boot process completes.
Full Initial All USB devices are functional in the operating system and during the POST.
(Default)
Partial Initial Part of the USB devices are disabled before the OS boot process completes.
This item is configurable only when Fast Boot is set to Enabled. This function is disabled when Fast Boot
is set to Ultra Fast.
& PS2 Devices Support
Disabled All PS/2 devices are disabled before the OS boot process completes.
All PS/2 devices are functional in the operating system and during the POST.
Enabled
(Default)
This item is configurable only when Fast Boot is set to Enabled. This function is disabled when Fast Boot
is set to Ultra Fast.
& NetWork Stack Driver Support
Disabled Disables booting from the network. (Default)
Enables booting from the network.
Enabled
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.
& Next Boot After AC Power Loss
Enables normal bootup upon the return of the AC power. (Default)
Normal Boot
Fast Boot Keeps the Fast Boot settings upon the return of the AC power.
This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.
& Mouse Speed
Allows you to set the mouse cursor movement speed. (Default: 1 X)
& Windows 8/10 Features
Allows you to select the operating system to be installed. (Default: Windows 8/10)
& CSM Support
Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process.
Disabled Disables UEFI CSM and supports UEFI BIOS boot process only.
Enabled Enables UEFI CSM. (Default)
& 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 Enabled.
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