Asus KFN5-D SLI - Manual (Page 107)

ASUS KFN5-D SLI 4-41
Exit & Discard Changes
Select this option only if you do not want to save the changes that
you made to the Setup program. If you made changes to fields other
than System Date, System Time, and Password, the BIOS asks for a
confirmation before exiting.
Discard Changes
Allows you to discard the selections you made and restore the previously
saved values. After selecting this option, a confirmation appears. Select Ok
to discard any changes and load the previously saved values.
Load Setup Defaults
Allows you to load the default values for each of the parameters on
the Setup menus. When you select this option or if you press <F5>, a
confirmation window appears. Select Ok to load default values. Select Exit
& Save Changes or make other changes before saving the values to the
non-volatile RAM.