IEI Integration NANO-9452 v4.02 - Manual (Page 167)

NANO-9452 EPIC Motherboard
Page 149
6.8 Exit
Use the Exit menu (BIOS Menu 23) to load default BIOS values, optimal failsafe values
and to save configuration changes.
BIOS Menu 23:Exit
 Save Changes and Exit
Use the Save Changes and Exit option to save the changes made to the BIOS options
and to exit the BIOS configuration setup program.
 Discard Changes and Exit
Use the Discard Changes and Exit option to exit the BIOS configuration setup program
without saving the changes made to the system.