Avalue ESM-BYT - Manual (Page 54)

ESM-BYT User ’s Manual
54 ESM-BYT User’s Manual
3.6.2.10 CSM Configuration
Item Options Description
CSM Support
Disabled,
Enabled[Default]
Enable/Disable CSM Support.
GateA20 Active
Upon Request[Default]
Always
UPON REQUEST – GA20 can be disabled
using BIOS services. ALWAYS – go not
allow disabling GA20; this option is useful
when any RT code is executed above 1MB.