Intel SBC-455 - Manual (Page 65)

Chapter 3 AMI WinBIOS setup 57
Security
The following icons appear in this section:
Two Levels of Passwords
Both the Supervisor and the User icons configure password
support. If you use both, the Supervisor password must be set. If
this feature is enabled, you can select WINBIOS. Setup message is
in different languages. The default settings is English.
The system can be configured so that all users must enter a
password every time the system boots or when WINBIOS Setup is
executed, using either or both the Supervisor password or User .