Gigabyte B460M DS3H AC - Boot Device and CSM Support; USB, PS;2, Network, and Storage Boot Options

& USB Support
Disable Link 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congurableonlywhenFast Boot is set to Enabled or Ultra Fast.
& PS2 Devices Support
Disabled Link 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)
 ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.
& NetWork Stack Driver Support
Disable Link Disables booting from the network. (Default)
Enabled Enables booting from the network.
 ThisitemiscongurableonlywhenFast Boot is set to Enabled or Ultra Fast.
& Next Boot After AC Power Loss
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.
 Thisitemiscongurable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 10 Features
Allows you to select the operating system to be installed. (Default: Windows 10)
& CSM Support
Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process.
Enabled Enables UEFI CSM.
Disabled Disables UEFI CSM and supports UEFI BIOS boot process only. (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congurableonlywhenCSM Support is set to Enabled.
& Storage Boot Option Control
 AllowsyoutoselectwhethertoenabletheUEFIorlegacyoptionROMforthestoragedevicecontroller.
Donotlaunch  DisablesoptionROM.
UEFI    EnablesUEFIoptionROMonly.
Legacy   EnableslegacyoptionROMonly.(Default)
 ThisitemiscongurableonlywhenCSM Support is set to Enabled.
& Other PCI devices
 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.
Donotlaunch  DisablesoptionROM.
UEFI    EnablesUEFIoptionROMonly.(Default)
Legacy   EnableslegacyoptionROMonly.
 ThisitemiscongurableonlywhenCSM Support is set to Enabled.
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