Gigabyte Z370 HD3P User Manual page 29

Last Boot HDD Only Except for the previous boot drive, all SATA devices are disabled before the OS
boot process completes.
All Sata Devices All SATA devices are functional in the operating system and during the POST.
(Default)
Allows you to select which type of operating system to boot.
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.
Partial Initial Part of the USB devices are disabled before the OS boot process completes.
(Default)
is set to .
PS2 Devices Support
Disabled All PS/2 devices are disabled before the OS boot process completes.
Enabled All PS/2 devices are functional in the operating system and during the POST.
(Default)
is set to .
NetWork Stack Driver Support
Disabled Disables booting from the network. (Default)
Enabled Enables booting from the network.
Normal Boot Enables normal bootup upon the return of the AC power. (Default)
Fast Boot Keeps the Fast Boot settings upon the return of the AC power.
Mouse Speed
Allows you to set the mouse cursor movement speed. (Default: 1 X)
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)
is set to or
is set to or
is set to . This function is disabled when
is set to . This function is disabled when
is set to or
is set to or
CSM Support is set to
CSM Support is set to
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