Page 64
AmITX-BT-I
8.4.
Boot
8.4.1.
Boot Configuration
Feature
Options
Description
Boot Configuration
Info only
Setup Prompt Timeout
1
Number of seconds to wait for setup activation key. 65535 (0xFFFF )
means indefinite waiting.
Bootup NumLock State
On
Off
Select the keyboard NumLock state.
Quiet Boot
Disabled
Enabled
Enable or disables Quiet Boot option.
Fast Boot
Disabled
Enabled
Enables or disables boot with initialization of a minimal set of
devices required to launch active boot option. Has no effect on BBS
boot options.
WIN8 Support
Disabled
Enabled
If enabled, some of default settings will be configured properly for
Windows8.
Affected items:
CSM Configuration->Boot option filter CSM Configuration->Video
Boot Option Priorities
Info only
Hard Drive BBS Priorities Info
only
CSM Parameters
Submenu
CSM configuration: Enable/Disable, Option ROM execution settings,
etc.
8.4.1.1.
Boot Configuration > CSM Parameters
Feature
Options
Description
Compatibility Support Module
Configuration
Info
CSM Support
Enabled
Disable
Enable/Disable CSM Support.
CSM16 Module Version
Info only
GataA20 Active
Upon Request
Always
Upon Request – GA20 can be disabled using BIOS services.
Always – do not allow disabling of GA20; this option is useful
when any RT code is executed above 1MB.
Option ROM Messages
Force BIOS
Keep Current
Set display mode for Option ROM.
INT19 Trap Response
Immediate
Postponed
BIOS reaction on INT19 trapping by Option ROM:
Immediate - execute the trap right away; Postponed – execute
the trap during legacy boot.
Boot option filter
UEFI and Legacy
Legacy only
UEFI only
This option controls legacy/UEFI ROM priority.
Option ROM execution order
Info only
Network
Do not launch
UEFI only
Legacy only
Controls the execution of UEFI and legacy PXE OpROM.