IBM System x3250 User Manual

Also see for System x3250: Installation and user guide Installation guide Specifications Problem determination and service guide

Contents

If a power-on password is set, you can enable the Unattended Start mode, in whichthe keyboard and mouse remain locked but the operating system can start. You canunlock 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 (see “Administrator password”). Start the Configuration/SetupUtility program and reset the power-on password.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 System x Documentation CD.v Change the position of the clear CMOS jumper on the system board to bypassthe power-on password check. See “Resetting passwords” for additionalinformation.Attention: Before you change any switch settings or move any jumpers, turn offthe server; then, disconnect all power cords and external cables. See the safetyinformation that begins on page v. Do not change settings or move jumpers on anysystem-board switch or jumper block that is not shown in this document.Administrator passwordIf an administrator password is set, you must type the administrator password foraccess to the full Configuration/Setup Utility menu. You can use any combination ofup to seven characters (A – Z, a – z, and 0 – 9) for the password.If you forget the administrator password, you can reset it after you change theposition of the clear CMOS jumper. See “Resetting passwords” for additionalinformation.Resetting passwordsIf you forget the power-on password or administrator password, you can move theclear-CMOS jumper block on the system board to pins 2 and 3, to clear CMOSmemory and bypass the power-on or administrator password check. The jumperlocation is shown in the following illustration.Clear CMOS jumper42 IBM System x3250 Types 4364 and 4365: User’s Guide