Lenovo NetVista Hardware Maintenance Manual (HMM) for NetVista 2271, 6840, and - Page 91

Additional Service Information, Security features, Passwords, Power-on password

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Chapter 8. Additional Service Information Security features 85 Passwords 85 Power-on password 85 Removing a power-on password . . . . . 85 Administrator password 86 Administrator password control . . . . . 86 Operating system password 86 Vital product data 86 Management Information Format (MIF) . . . . 86 Alert on LAN 87 BIOS levels 87 Flash (BIOS/VPD) update procedure 88 Flash recovery boot block jumper 88 Power management 89 Automatic configuration and power interface (ACPI) BIOS 89 Advanced Power Management 89 Automatic Hardware Power Management features 89 Setting Automatic Hardware Power Management features 90 Automatic Power-On features 90 Network settings 90 Flash over LAN (update POST/BIOS over network 91 Wake on LAN 91 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 7 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: On some models, this procedure will also remove the administrator password. 1. Unplug the power cord and remove the top cover. 2. Refer to "A40/A40P/A40i system board layout" on page 29 to find the recovery jumper. 3. Move the recovery jumper from normal to clear. 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. © Copyright IBM Corp. 2000 85

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Chapter 8. Additional Service Information
Security features .
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Passwords .
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Power-on password
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Removing a power-on password
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Administrator password .
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Administrator password control
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Operating system password .
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Vital product data .
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Management Information Format (MIF) .
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Alert on LAN
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BIOS levels
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Flash (BIOS/VPD) update procedure .
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Flash recovery boot block jumper .
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Power management
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Automatic configuration and power interface
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Advanced Power Management .
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Automatic Hardware Power Management
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Setting Automatic Hardware Power Management
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Automatic Power-On features .
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Network settings
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Flash over LAN (update POST/BIOS over
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Wake on LAN
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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 7 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:
On some models, this procedure will also remove the administrator password.
1.
Unplug the power cord and remove the top cover.
2.
Refer to “A40/A40P/A40i system board layout” on page 29 to find the
recovery jumper.
3.
Move the recovery jumper from
normal
to
clear
.
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.
© Copyright IBM Corp. 2000
85