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.Important: 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 vii. Do not change settings or move jumpers on anysystem-board switch or jumper block that is not shown in this document.Attention: In a dc power environment, only trained service personnel other thanIBM service technicians are authorized to connect or disconnect power to the dcpower supply. See the documentation that comes with each dc power supply.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.Resetting passwordsIf you set an administrator password and then forget it, there is no way to change,override, or remove it. You must replace the system board. If you forget the userpower-on password, you can move the power-on password override switch on thesystem board to the On position to bypass the power-on password check. Thepower-on password override switch is switch 5 on switch block SW2. The switchlocation is shown in the following illustration.Chapter 3. Configuring the server 91
