Lenovo NetVista A22 Hardware Maintenance Manual (HMM) for NetVista 2254, 2256, - Page 205
Additional Service Information, Security features, Passwords, Power-on password
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Chapter 8. Additional Service Information Security features 197 Passwords 197 Power-on password 197 Removing a power-on password . . . . . 197 Administrator password 198 Administrator password control . . . . . 198 Operating system password 198 Vital product data 198 Management Information Format (MIF) . . . 198 Alert on LAN 199 BIOS levels 199 Flash (BIOS/VPD) update procedure . . . . . 200 Flash recovery boot block jumper 200 Power management Automatic configuration and power interface (ACPI) BIOS Advanced Power Management . . . . . Automatic Hardware Power Management features Setting Automatic Hardware Power Management features Automatic Power-On features . . . . . . Network settings Flash over LAN (update POST/BIOS over network Wake on LAN . 202 . 202 . 202 . 202 . 203 . 203 . 204 . 204 . 205 Security features Security features in this section include the following: v Passwords v Vital Product Data v Management Information Format (MIF) v Alert on LAN Passwords The following section provides information about computer hardware and software-related passwords. v Power-on Password v Administrator Password v Operating System Password Power-on and Administrator passwords are set in the Setup Utility program. See "Setup Utility program" on page 10 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 use the following procedure. Note: This also erases the date and time. 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 "Identifying parts on the system board - small desktop model" on page 27 to find the Virtual clear CMOS/BIOS recovery jumper. © Copyright IBM Corp. 2000 197