Intel NUC Board NUC5PGYH Technical Product Specification
64
3.9 BIOS Security Features
The BIOS includes security features that restrict access to the BIOS Setup program and who can
boot the computer. A supervisor password and a user password can be set for the BIOS Setup
program and for booting the computer, with the following restrictions:
• The supervisor password gives unrestricted access to view and change all the Setup options in
the BIOS Setup program. This is the supervisor mode.
• The user password gives restricted access to view and change Setup options in the BIOS
Setup program. This is the user mode.
• If only the supervisor password is set, pressing the <Enter> key at the password prompt of the
BIOS Setup program allows the user restricted access to Setup.
• If both the supervisor and user passwords are set, users can enter either the supervisor
password or the user password to access Setup. Users have access to Setup respective to
which password is entered.
• Setting the user password restricts who can boot the computer. The password prompt will be
displayed before the computer is booted. If only the supervisor password is set, the computer
boots without asking for a password. If both passwords are set, the user can enter either
password to boot the computer.
• For enhanced security, use different passwords for the supervisor and user passwords.
• Valid password characters are A-Z, a-z, and 0-9. Passwords may be up to 20 characters in
length.
• To clear a set password, enter a blank password after entering the existing password.
Table 28 shows the effects of setting the supervisor password and user password. This table is
for reference only and is not displayed on the screen.
Table 28. Supervisor and User Password Functions
Password Set
Supervisor Mode
User Mode
Setup Options
Enter Setup
During Boot
options
(Note)
options
(Note)
options
limited number
of options
options
Clear User Password
Supervisor and
user set
Can change all
options
Can change a
limited number
of options
Supervisor Password
Enter Password
Supervisor or
user
Supervisor or
user
Note: If no password is set, any user can change all Setup options.
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