20. Reinstall the cover.21. Reconnect all external cables and power cords and turn on the peripheraldevices.22. Turn on the server to restart the operating system.Erasing a lost or forgotten password (clearing CMOS memory)This section applies to a lost or forgotten power-on password. For generalinformation about passwords, see the User’s Guide on the IBM Documentation CD.Attention: If an administrator password is lost or forgotten, there is no way tochange, override, or remove it. You must replace the system board.To set the power-on password reset switch and erase a forgotten password,complete the following steps:1. Read Appendix B, “Safety information,” on page 153 and “Handlingstatic-sensitive devices” on page 12.2. Turn off the server and all attached devices.3. Disconnect the power cord; then, disconnect all external cables.4. Remove the cover (see “Removing the left-side cover” on page 14).5. Locate the password reset switch (position 2 of SW1) on the system board,removing any components that impede access to the switch.4321321-2Normal2-3RecoveryS 1WBoot blockrecovery jumper (J5)23567Passwordoverride18ForceBMCoverrideForcepower-onSW2NMI buttonChapter 5. Diagnostics 99
