Csm16 Parameters - Kontron KTQ77/Flex User Manual

KTD-N0848-B

10.4.1 CSM16 parameters

Aptio Setup Utility – Copyright © 2012 American Megatrends, Inc.
Main Advanced Chipset Boot Security
CSM16 Parameters
CSM16 Module Version
GateA20 Active
Option ROM Message
INT19 Trap Response
Version 2.15.1236. Copyright © 2012 American Megatrends, Inc
Function
GateA20 Active
Option ROM Message
INT19 Trap Response
Page 134
Save & Exit
07.70
[Upon Request]
[Force BIOS]
[Immediate]
Selection
Upon Request
Always
Force BIOS
Keep Current
Immediate
Postponed
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.
→← : Select Screen
↑↓ : Select Item
Enter: Select
+/- : Change Opt.
F1: General Help
F2: Previous Values
F3: Optimized Defaults
F4: Save & Exit
ESC: Exit
Description
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.
Set display mode for Option ROM.
BIOS reaction on INT19 trapping by Option
ROM:
Immediate: execute the trap right away.
Postponed: execute the trap during legacy boot.
KTQ77/Flex Users Guide
BIOS - Boot