User`s manual

BX-PIB0x Embedded Box System

4.4.1.1 CSM16 Parameters

OpROM execution, boot options filter, etc.

GateA20 Active:

[Upon Request] – GA20 can be disabled using BIOS services.

[Always] – do not allow disabling GA20; this option is useful wen any RT

code is executed above 1MB.

Option ROM Message: Set display mode [Force BIOS] or [Keep Current] for

Option ROM.

4.4.1.2 CSM Parameters

Launch CSM: This option controls if CSM will be launched always or never.

Boot option filer: This option controls what devices system can boot to [UEFI

and Legacy], [Legacy only] or [UEFI only].

Launch PXE OpROM policy: This controls the execution of UEFI and Legacy

PXE OpROM, [Do not launch], [UEFI only] or [Legacy only].

Launch Storage OpROM policy: This controls the execution of UEFI and

Legacy Storage OpROM, [Do not launch], [UEFI only] or [Legacy only].

Launch Video OpROM policy: This controls the execution of UEFI and

Legacy Video OpROM, [Do not launch], [UEFI only] or [Legacy only].