IBM 6000R Hardware Maintenance Manual - Page 61
Setting the password override jumper, Disabled
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The keyboard and mouse remain locked until you enter the correct password. You can use any combination of up to seven characters (A- Z, a-z, and 0-9) for the power-on password. Keep a record of the password in a secure place. If you forget the poweron password, you can regain access to the server by removing the battery and then installing the battery, or by overriding or bypassing the power-on password; see "Setting the password override jumper". Setting the password override jumper: When a power-on password is set, POST does not complete until you enter the password. If you forget the power-on password, you can regain access to the server through either of the following methods: • Enter the administrator password at the power-on prompt, if an administrator password has been set. (See "Administrator password" on page 50 for details.) Start the Configuration/Setup Utility program and change the power-on password. See "Power-on password" on page 48. • Change the position of the jumper on J15 to bypass the power-on password check. You can then start the Configuration/Setup Utility program and change the poweron password. See "System board component locations" on page 54 for the location of J15. Notes: 1. Turn off the server, and disconnect all power cords before moving any jumpers. 2. Jumpers J19 and J3 are located on the same jumper block as jumper J15 on the system board. These jumpers are set to Disabled. Do not change the settings on these jumpers. Attention: If you change the settings on these jumpers, the server will fail. Jumper name Description J15 Power-on password override Changing the position of this jumper bypasses the power-on password check if the jumper has been moved since the server was last powered on. You do not need to move the jumper back to the default position after the password is overridden. The default position is a jumper on pins 1 and 2. Changing the position of this jumper does not affect the administrator password check if an administrator password is set. Table 7. Jumper J15 on the system board For more information on jumper locations, see "Changing jumper positions" on page 85. Configuring the server 49