If you find that you need to verify your DEP (Data Execution Prevention) BIOS settings, here is a simpler way to do it without rebooting your server. Type this command in a DOS command window.
WMIC OS Get DataExecutionPrevention_SupportPolicy
It will return back one of the following:
0 - DEP is disabled for all processes.
1 - DEP is enabled for all processes.
2 - DEP is enabled for only Windows system components and services. (Default)
3 - DEP is enabled for all processes.