Chapter 4 AMI BIOS Setup
Page: 4-54
PMB-901LF USER
′
S MANUAL
4-6-2. Boot - CSM16 parameters
CSM16 parameters Screen
BIOS Setting
Options
Description/Purpose
CSM16
Module
Version
No changeable options
Displays the current CSM
(Compatibility Support Module)
version.
GateA20
Active
- Upon Request
- Always
Select Gate A20 operation mode.
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
- Keep Current
Set display mode for Option ROM
messages.
INT19 Trap
Response
- Immediately
- Postponed
BIOS reaction on INT19 trapping by
Option ROM.