Password Security
The BIOS includes security features that restrict whether the BIOS Setup program can be accessed and who can boot the server. A supervisor password and a user password can be set for the Setup menu and for booting the server, with the following restrictions:
•The supervisor password gives unrestricted access to view and change all Setup options. If only the supervisor password is set, pressing <Enter> at the password prompt of Setup gives the user restricted access to Setup.
•If both the supervisor and user passwords are set, you must enter either the supervisor password or the user password to access Setup. Setup options are then available for viewing and changing depending on whether the supervisor or user password was entered.
•Setting a user password restricts who can boot the server. The password prompt is displayed before the server is booted. If only the supervisor password is set, the server boots without asking for a password. If both passwords are set, you can enter either password to boot
the server.
Table 11. Supervisor and User Password Functions
| Supervisor |
|
| Password to | Password |
Password Set | Mode | User Mode | Setup Options | Enter Setup | During Boot |
|
|
|
|
|
|
Neither | Can change all | Can change all | None | None | None |
| options (Note) | options (Note) |
|
|
|
Supervisor | Can change all | Can change a | Supervisor Password | Supervisor | None |
only | options | limited number |
|
|
|
|
| of options |
|
|
|
|
|
|
|
|
|
User only | N/A | Can change all | Enter Password | User | User |
|
| options | Clear User Password |
|
|
|
|
|
|
|
|
Supervisor | Can change all | Can change a | Supervisor Password | Supervisor or | Supervisor or |
and user set | options | limited number | Enter Password | user | user |
|
| of options |
|
|
|
|
|
|
|
|
|
Note: If no password is set, any user can change all Setup options.
Server Board Features | 31 |
