The power-on password override jumper does not affect the administratorpassword.Attention: Before you move any jumpers, turn off the server; then, disconnectall power cords and external cables. See the safety information that begins with“Safety” on page v. Do not change settings or move jumpers on anysystem-board switch or jumper blocks that are not shown in this document.Administrator passwordThis topic provides general information about the administrator password.If an administrator password is set, you must type the administrator password foraccess to the full Setup utility menu. You can use any combination of 6-20printable ASCII characters for the password.Attention: If you set an administrator password and then forget it, there is noway to change, override, or remove it. You must replace the I/O board.Using the Boot Selection Menu programThis topic provides instructions for using the Boot Selection Menu program.About this taskThe Boot Selection Menu is used to temporarily redefine the first startup devicewithout changing boot options or settings in the Setup Utility.To use the Boot Selection Menu program, complete the following steps:Procedure1. Turn off the server.2. Restart the server.3. When the prompt Select Boot Device is displayed, press F12. If abootable USB mass storage device is installed, a submenu item (USB Key/Disk)is displayed.4. Use the Up Arrow and Down Arrow keys to select an item from the menu andpress Enter.ResultsThe next time the server starts, it returns to the startup sequence that is set in theSetup Utility.208 IBM System x3850 X5 and x3950 X5 Types 7145, 7146, 7143, and 7191: Problem Determination and Service Guide
