protech PA-6225 - Page 181

Chapter 3 Software
PA-6225 SERIES USER MANUAL
Page 174
3-4-4-8. CSM Configuration
This menu provides advanced CSM (Compatibility Support Module) configurations
such as Enable/Disable CSM Support, configure Option ROM execution, boot options
filters, etc.
CSM Configuration Screen
BIOS Setting
Options
Description/Purpose
CSM Support
- Disabled
- Enabled
Disables or Enables CSM support
CSM16
Module
Version
No changeable options
Displays the current CSM version.
GateA20
Active
- Upon Request
- Always
Selects Gate A20 operation mode.
 Upon Request: GA20 can be
disabled using BIOS services.
 Always: Do not allow disabling