Protech Systems PA-6822 User Manual page 172

3-5-4-8. CSM Configuration
BIOS Setting
CSM Support
CSM16 Module Version
GateA20 Active
Option ROM Messages
PA-6822 SERIES USER MANUAL
CSM Configuration Screen
Options
- Disabled
- Enabled
No changeable options
- Upon Request
- Always
- Force BIOS
- Keep Current
Description/Purpose
Disable or Enable CSM support
Displays the current CSM (Compatibility
Support Module) version.
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.
Set display mode for Option ROM messages.
Chapter 3 Software
Page 171