ADLINK cPCI-3620 - Manual (Page 97)

BIOS Setup Utility 85
cPCI-3620
Discard Changes
Select Discard Changes from the Exit menu and press < Enter >.
Select Ok to discard changes.
Restore Defaults
Automatically sets all Setup options to a complete set of default
settings when you select this option. The Optimal settings are
designed for maximum system performance, but may not work
best for all computer applications. In particular, do not use the
Optimal Setup options if your computer is experiencing system
configuration problems.
Save as User Defaults
Save the changes done so far as User Defaults.
Restore User Defaults
Restore the User Defaults to all the setup options.