Lenovo ThinkPad L540 User Manual page 128

Table 5. Security menu items (continued)
Menu item
Submenu item
Set Minimum Length
Password at
unattended boot
Password at restart
Power-On Password
Hard Disk
1Password
Security Chip Security Chip
Security Reporting
Options
Clear Security Chip
112
User Guide
Value
Comments
• Disabled Specify a minimum length for power-on
passwords and hard disk passwords. If you
• x characters
set the supervisor password and specify a
(4≤x≤12)
minimum length for passwords, no one but you
can change the length.
• Disabled If you select and enable Password at
unattended boot, a password prompt is
• Enabled
displayed when the computer is turned on, from
either a power-off state or hibernation state, by
an unattended event such as a Wake on LAN
attempt. If you select Disabled, no password
prompt is displayed; the computer goes ahead
and loads the operating system. To prevent
unauthorized access, set the user authentication
on the operating system.
• Disabled If you select and enable Password at restart,
a password prompt is displayed when you
• Enabled
restart the computer. If you select Disabled, no
password prompt is displayed; the computer
goes ahead and loads the operating system.
To prevent unauthorized access, set the user
authentication on the operating system.
• Disabled For more information, see "Power-on password"
on page 49.
• Enabled
• Disabled For more information, see "Hard disk
passwords" on page 51.
• Enabled
Note: Hard Disk 1 means the hard disk drive is
built into your computer.
• Active If you select Active, the security chip is
functional. If you select Inactive, the Security
• Inactive
Chip option is visible, but the security chip
• Disabled
is not functional. If you select Disabled, the
Security Chip option is hidden and the security
chip is not functional.
This option is available when Security Chip
is active. It is used to enable or disable the
following Security Reporting Options:
• BIOS ROM String Reporting (Windows 7) or
• CMOS Reporting: CMOS data
• NVRAM Reporting: Security data stored in
• SMBIOS Reporting: SMBIOS data
• Enter Clear the encryption key.
Note: This item is displayed only if you have
selected Active for the Security Chip option.
UEFI ROM String Reporting (Windows 8):
BIOS text string
the Asset ID