NEC Express5800/R320a-E4 User Manual page 153

System Configuration 4-39
Save Changes
Select this option if you want to save changes you have made in CMOS (non-volatile memory)
without exiting SETUP. When you select the Save Changes, you will see the dialogue box as shown
below.
If you select "Yes" in the dialogue box, changes you have made are saved in CMOS (non-volatile
memory).