Chapter 3
B250H4-M20 USER MANUAL
55
Main Advanced Chipset Tweak Security Boot Exit
+/- : Change Opt.
Enter/Dbl Click : Select
: Select Screen
/Click: Select Item
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC/Right Click: Exit
This page enables you to set the keyboard NumLock state.
Boot Menu
Operation System Select (Windows 8.x / 10)
This item is used to select the operation system.
Launch PXE OpROM (Disabled)
The item enables or disables launch PXE Option ROM.
Launch Storage OpROM (Enabled)
Use this item to enable or disable the Storage OpROM.
Fast Boot (Enabled)
This item enables or disables boot with initialization of a minimal set of device
required to launch active boot option. Has no effect for BBS boot options.
Bootup NumLock State (On)
This item enables you to select NumLock state.
Quiet Boot (Enabled)
This item enables or disables quiet boot.
Update System BIOS (Disabled)
This item enables or disables update system BIOS.
Boot mode select (UEFI)
Use this item to select boot mode.
Boot Option #1 /
2 /3 /4 /5 /6 /7
These items show the boot priorities.
Windows 7 or other OS:
Boot policy for Legacy OS.
Windows 8.x / 10: Boot
policy for UEFI OS without
Compatibility Support
Module(CSM).
Manual: User customized
CSM parameters & boot
policy.
Boot Configuration
Operation system Select Windows 8.x / 10
Launch PXE OpROM Disabled
Launch Strorage OpROM Enabled
Fast Boot Disabled
Bootup NumLock State On
Quiet Boot Enabled
Update System BIOS Disabled
Boot mode select UEFI
Set Boot Priority
Boot Option #1 Hard Disk
Boot Option #2 CD/DVD
Boot Option #3 USB Floppy
Boot Option #4 USB CD/DVD
Boot Option #5 USB Hard Disk
Boot Option #6 USB Flash: UEFI: SanD...
Boot Option #7 Network
UEFI USB Flash Drive Priorities
UEFI USB Flash Drive Priorities
This item enables you to specify the sequence of loading the operating system from
the installing UEFI USB Flash drive.
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