Asus RS100-E4/PI2 - Manual (Page 98)

5-38 Chapter 5: BIOS setup
When a confirmation window appears, select [OK] then press <Enter> to
discard the changes, and load the previously saved settings. If you wish to
cancel the command, select [Cancel] then press <Enter> to return to the
Exit menu.
Load Setup Defaults
Select this option then press <Enter> to load the optimized settings for
each of the Setup menu items.
When a confirmation window appears, select [OK] then press <Enter>
to load the default settings. If you wish to cancel the command, select
[Cancel] then press <Enter> to return to the Exit menu.