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Chapter 8. Additional Service Information
Security features ............197
Passwords.............197
Power-onpassword.........197
Removingapower-onpassword.....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
BIOSlevels..............199
Flash (BIOS/VPD) update procedure .....200
Flash recovery boot block jumper.......200
Power management ...........202
Automatic configuration and power interface
(ACPI) BIOS.............202
Advanced Power Management ......202
Automatic Hardware Power Management
features..............202
Setting Automatic Hardware Power
Management features..........203
AutomaticPower-Onfeatures.......203
Network settings ............204
Flash over LAN (update POST/BIOS over
network)..............204
WakeonLAN............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