IBM System x3755 M3 7164 Installation And User Manual

Also see for System x3755 M3 7164: Product guide Product guide At-a-glance guide

Contents

v Restore SettingsSelect this choice to cancel the changes that you have made in the settings andrestore the previous settings.v Load Default SettingsSelect this choice to cancel the changes that you have made in the settings andrestore the factory settings.v Exit SetupSelect this choice to exit from the Setup utility. If you have not saved thechanges that you have made in the settings, you are asked whether you want tosave the changes or exit without saving them.PasswordsFrom the User Security menu choice, you can set, change, and delete a power-onpassword and an administrator password. The User Security choice is on the fullSetup utility menu only.If you set only a power-on password, you must type the power-on password tocomplete the system startup and to have access to the Setup utility menu.An administrator password is intended to be used by a system administrator; itlimits access to the full Setup utility menu. If you set only an administratorpassword, you do not have to type a password to complete the system startup, butyou must type the administrator password to access the Setup utility menu.If you set a power-on password for a user and an administrator password for asystem administrator, you can type either password to complete the system startup.A system administrator who types the administrator password has access to the fullSetup utility menu; the system administrator can give the user authority to set,change, and delete the power-on password. A user who types the power-onpassword has access to only the limited Setup utility menu; the user can set,change, and delete the power-on password, if the system administrator has giventhe user that authority.Power-on passwordIf a power-on password is set, when you turn on the server, the system startup willnot be completed until you type the power-on password. You can use anycombination of 6 - 20 printable ASCII characters for the password.When a power-on password is set, you can enable the Unattended Start mode, inwhich the keyboard and mouse remain locked but the operating system can start.You can unlock the keyboard and mouse by typing the power-on password.If you forget the power-on password, you can regain access to the server in any ofthe following ways:v If an administrator password is set, type the administrator password at thepassword prompt. Start the Setup utility and reset the power-on password.v Clear the password by clearing CMOS memory (see “System-board jumpers” onpage 25).v Remove the battery from the server and then reinstall it. For instructions forremoving the battery, see the Problem Determination and Service Guide on theIBM Documentation CD.Chapter 3. Configuring the server 79