Asus Motherboard A8N-SLI SE User Manual page 104

Load Setup Defaults
This option 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 Yes to load default
values. Select Exit & Save Changes or make other changes before saving
the values to the non-volatile RAM.
Discard Changes
This option allows you to discard the selections you made and restore the
previously saved values. After selecting this option, a confirmation appears.
Select Yes to discard any changes and load the previously saved values.
4-46 Chapter 4: BIOS setup