Gigabyte GA-F2A85X-UP4 - CSM, Boot Modes, and Storage;Display Options

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BIOS Setup
& Hard Drive/CD/DVD ROM Drive/Floppy Drive/Network Device BBS Priorities
 Speciesthebootorderforaspecicdevicetype,suchasharddrives,opticaldrives,oppydiskdrives,
anddevicesthatsupportBootfromLANfunction,etc.Press<Enter>onthisitemtoenterthesubmenuthat
presents the devices of the same type that are connected. This item is present only if at least one device
for this type is installed.
& Bootup NumLock State
 EnablesordisablesNumlockfeatureonthenumerickeypadofthekeyboardafterthePOST.(Default:
Enabled)
& Security Option
 Specieswhetherapasswordisrequiredeverytimethesystemboots,oronlywhenyouenterBIOSSetup.
Afterconguringthisitem,setthepassword(s)undertheAdministrator Password/User Password item.
Setup    ApasswordisonlyrequiredforenteringtheBIOSSetupprogram.(Default)
System A password is required for booting the system and for entering the BIOS Setup
program.
& 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.
Always   EnablesUEFICSM.(Default)
Never Disables UEFI CSM and supports UEFI BIOS boot process only.
& 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congurable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.
LegacyFirst  EnableslegacyoptionROMrst.
UEFIFirst   EnablesUEFIoptionROMrst.
 Thisitemiscongurable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.
Disabled Disables option ROM.
LegacyOnly  EnableslegacyoptionROMonly.(Default)
UEFI Only Enables UEFI option ROM only.
LegacyFirst  EnableslegacyoptionROMrst.
UEFIFirst   EnablesUEFIoptionROMrst.
 ThisitemiscongurableonlywhenCSM Support is set to Always.