ADLINK EOS-4000 - Manual (Page 74)

62 BIOS Setup
must be entered to boot or enter setup. In Setup the user will have
Administrator rights.
Administrator Password
Set Administrator password for setup
User Password
Set boot/setup User password
A.6 Exit
Save Changes and Exit
When BIOS settings are complete, select this option to save all
changes and reboot the system for the new settings to take effect.
Discard Changes and Exit
Select this option to discard all changes and exit BIOS setup.