BIOS Setup
MBN500 series User’s Manu
27
Fast Boot
Enables or Disables boot with initialization of a minimal set of devices
required to launch active boot option. Has no effect for BBS boot
options.
Boot mode select
Select boot mode LEGACY/UEFI
Boot Option Priorities
Sets the system boot order.
CSM16 parameters
CSM16 configuration Enable/Disable, Option ROM execution
settings,etc.
Aptio Setup Utility
– Copyright © 2015 American Megatrends, Inc.
Main Advanced
Chipset
Boot
Security
Save & Exit
→ ←
Select Screen
↑↓
Select Item
Enter: Select
+- Change Field
F1: General Help
F2: Previous Values
F3: Optimized Default
F4: Save
ESC: Exit
CSM16 configuration
CSM16 Module Version
07.76
GateA20 Active
[Upon Request]
Option ROM Messages
[Force BIOS]
GateA20 Active
UPON REQUEST – GA20 can be disabled using BIOS services.
ALWAYS – do not allow disabling GA20 ; this option is useful when
any RT code is executed above 1MB
Option ROM Messages
Set display mode for Option ROM