User`s guide
Copyright © 2012 congatec AG TCEDm10 89/94
9.5.1.1 CSM & Option ROM Parameters Submenu
Feature Options Description
Launch CSM Always
Never
Controls if CSM will be launched.
Boot Option lter UEFI and Legacy
Legacy Only
UEFI only
This option controls what devices system can boot to.
PXE OpROM Launch Policy Do not launch
UEFI Only
Legacy Only
Controls the execution of UEFI and Legacy PXE OpROM.
Storage OpROM Launch Policy Do not launch
UEFI Only
Legacy Only
Legacy ROM First
UEFI ROM First
Controls the execution of UEFI and Legacy Storage OpROM.
Video OpROM Launch Policy Do not launch
UEFI Only
Legacy Only
Legacy ROM First
UEFI ROM First
Controls the execution of UEFI and Legacy Video OpROM.
Other OpROM Launch Policy UEFI OpROM
Legacy OpROM
For PCI devices other than Network, Mass storage or Video denes which OpROM to launch.
GateA20 Active Upon Request
Always
Gate A20 control.
Upon Request = Gate A20 can be disabled using BIOS services.
Always = Do not allow disabling Gate A20
Option ROM Messages Force BIOS
Keep Current
Set display mode for option ROMs.
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.