IBM Eserver xSeries 360 Type 8686, Руководство пользователя

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18
IBM® xSeries 360: User’s Reference
Select this choice to save your customized settings.
• Restore Settings
Select this choice to delete your changes and restore the previous settings.
• Load Default Settings
Select this choice to cancel your changes and restore the factory settings.
• Exit Setup
If you have made any changes, the program will prompt you to save the changes
or exit without saving the changes.
Using passwords
The System Security choice appears only on the full Configuration/Setup Utility
menu. After you select this choice, you can implement two levels of password
protection: power-on password and administrator password.
Power-on password
When a power-on password is set, POST is not completed until you type the
password. After you set a power-on password, you can enable the unattended-start
mode. This locks the keyboard and mouse but allows the system to start the
operating system. The keyboard and mouse remain locked until you type the correct
password.
You can use any combination of up to seven characters (A–Z, a–z, and 0–9) for your
power-on password. Keep a record of your password in a secure place. If you forget
the power-on password, you can regain access to the server through one of the
following methods:
• If an administrator password is set, type the administrator password at the power-
on prompt. (See “Administrator password” on page 19 for details.) Start the
Configuration/Setup Utility program and change the power-on password.
• Change the position of the power-on password override jumper as described at
“Using the password-override jumper”.
• Remove the battery and then install the battery.
Using the password-override jumper
Complete the following steps to change the position of the password-override jumper:
1. Read the information at “Safety” on page vii.
2. Turn off the server and disconnect all power cords and external cables, and
remove the top cover.
3. Change the position of the jumper on J52 to bypass the power-on password
check. You can then start the Configuration/Setup Utility program and change the
power-on password.
The following illustration shows the power-on password override jumper (J52) on
the system board.