Asus M2A-MX - Manual (Page 84)

2-36 Chapter 2: BIOS setup
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
This option 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
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 OK to load default values. Select Exit & Save Changes
or make other changes before saving the values to the non-volatile RAM.