IBM 689912U Hardware Maintenance Manual - Page 200

Security Features Security features in this section include: Passwords Vital Product Data Management Information Format (MIF) Alert on LAN AssetCare Asset ID Passwords The following provides information about computer hardware and software-related passwords: Power-on Password Administrator Password Operating System Password Power-on and Administrator passwords are set in the Setup Utility program. See "Setup Utility Program" on page 220 for information about running the Setup Utility. Power-on Password: A power-on password denies access to the computer by an unauthorized user when the computer is powered on. When a power-on password is active, the password prompt appears on the screen each time the computer is powered on. The computer starts after the proper password is entered. Removing a Power-on Password To service a computer with an active and unknown power-on password, power-off the computer and do the following: Note On some models, this procedure will also remove the administrator password. 1. Unplug the power cord and remove the top cover. 2. Refer to "System Board Layouts" on page 322 and locate the system board type you are servicing. Depending on the system board, the password is reset by a jumper or switch block. 3. Move the password jumper to connect the center pin and the pin on the opposite end of the connector; or, change the switch setting as appropriate. 4. Power-on the computer. The system senses the change in the position and erases the password. It is necessary to move the jumper back to the previous position and to reset the switch setting. 5. Remind the user to enter a new password when service is complete. 190 IBM PC 300/700, IntelliStation Series HMM