IEI Integration NANO-9453 v1.12 - Manual (Page 171)

NANO-9453 EPIC Motherboard
Page 153
6.5 Boot
Use the Boot menu (BIOS Menu 16) to configure system boot options.
BIOS Menu 16: Boot
6.5.1 Boot Settings Configuration
Use the Boot Settings Configuration menu (BIOS Menu 16) to configure advanced system
boot options.