IBM eServer 135 xSeries User Reference Manual page 28

You can use any combination of up to seven characters (A–Z, a–z, 0–9, and blanks) 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:
•
•
•
Setting the password override switch: The following illustration shows the location
of the password override switch, switch 8 of switch block 1, on the system board.
To set the password override switch:
Note:
16
IBM xSeries 135: User's Reference
page 59) to use features of the Configuration/Setup Utility program. Features
of the Configuration/Setup Utility program are not accessible through the
network.
If an administrator password is set, type the administrator password at the
power-on prompt. Start the Configuration/Setup Utility program and change
the power-on password.
Change the position of the password override jumper as described in "Setting
the password override switch".
Remove the battery and then install the battery.
1. Review the information in "Safety information" on page 39.
2. Turn off the server and peripheral devices and disconnect all external cables and
power cords; then, remove the cover. See "Removing the cover" on page 44.
3. Toggle switch 8 on switch block 1 on the system board. This clears the power-on
password for one boot cycle.
Note: This means that you can now start or power-up the server one time
without having to use the power-on password. But if you do not use the
Configuration/Setup Utility program to change or delete the password,
the next time you start the server the original power-on password will be
reinstated.
4. Connect the server to a power source, keyboard, monitor, and mouse.
5. Start the server.
You can now start the Configuration/Setup Utility program and either delete
the old or set a new power-on password.
Switch block
(SW1)