Asus P4B - Manual (Page 96)

4-32 Chapter 4: BIOS Setup
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 , a confirmation window appears. Select [Yes] to load default
values. Select Exit Saving 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.
Save Changes
This option saves your selections without exiting the Setup program. You
can then return to other menus and make further changes. After you select
this option, a confirmation window appears. Select [Yes] to save any
changes to the non-volatile RAM.