Manual

Advanced System
Controller
A I S - E1- H 6 1 A
Chapter 3 AMI BIOS Setup 3-33
GateA20 Active
Upon Request
Default
Always
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
Force BIOS
Default
Keep Current
Set display mode for Option ROM.
INT19 Trap Response
Immediate
Default
Postponed
BIOS reaction on INT19 trapping by Option ROM:
IMMEDIATE – execute the trap right away;
POSTPONED – execute the trap during legacy boot.