IBM x3800 User Guide - Page 72
Power-on, password
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UPC - 000435948984
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administrator password, you do not have to type a password to complete the system startup, but you must type the administrator password to access the Configuration/Setup Utility menu. If you set a power-on password for a user and an administrator password for a system administrator, you can type either password to complete the system startup. A system administrator who types the administrator password has access to the full Configuration/Setup 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-on password has access to only the limited Configuration/Setup Utility menu; the user can set, change, and delete the power-on password, if the system administrator has given the user that authority. Power-on password If a power-on password is set, when you turn on the server, the system startup will not be completed until you type the power-on password. You can use any combination of up to seven characters (A-Z, a-z, and 0-9) for the password. When a power-on password is set, you can enable the Unattended Start mode, in which 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 of the following ways: v If an administrator password is set, type the administrator password at the password prompt. Start the Configuration/Setup Utility program and reset the power-on password. v Remove the battery from the server and then reinstall it. See ″Replacing the battery″ in the Problem Determination and Service Guide for instructions for removing the battery. v Change the position of the power-on password override jumper (J9 on the I/O board) to bypass the power-on password check. Attention: Before changing any switch settings or moving any jumpers, turn off the server; then, disconnect all power cords and external cables. See the safety information beginning on page v. Do not change settings or move jumpers on any system-board switch or jumper blocks that are not shown in this document. The following illustration shows the location of the power-on password override, boot recovery, and Wake on LAN bypass jumpers. SAS 1 SAS 2 Remote Supervisor Adapter II SlimLine Media backplane Light path diagnostic Power-on password override Boot recovery Wake-on-LAN bypass Front USB Battery System serial (COM 1) SP serial (COM 2) 60 IBM System x3800 Type 8865: User's Guide 123 Default jumper 1 2 3 position 123
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