Lenovo S540 Laptop User Manual


 
Table 5. Security menu items (continued)
Menu item
Submenu item Selection Comments
Password at restart Disabled
Enabled
If you select and enable Password
at restart, a password prompt will
be displayed when you restart the
computer. If you selectDisabled, no
password prompt will be displayed;
the computer goes ahead and loads
the operating system. To prevent
unauthorized access, you can set
the user authentication on the
operating system.
Set Minimum Length
Disabled
Specify a minimum length for
power-on password and hard disk
passwords. If you set the supervisor
password and specify a minimum
length for passwords, no one but
you can change the length.
Power-On Password
Disabled
Enabled
Refer to “Power-on password” on
page 48
.
Hard Disk1 Password Disabled
Enabled
Refer to “Hard disk passwords” on
page 50.
Hard Disk2 Password Disabled
Enabled
Refer to “Hard disk passwords” on
page 50
.
Security Chip
Active
Inactive
Disabled
If you select Active, the security
chip will be functional. If you select
Inactive, the Security Chip option
will be visible, but the security chip
will not be functional. If you select
Disabled, the Security Chip option
will be hidden and the security chip
will not be functional.
Security Reporting
Options
Enable or disable the following
Security Reporting Options:
BIOS ROM Strings Reporting:
BIOS text string
CMOS Reporting: CMOS data
NVRAM Reporting: Security
data stored in the Asset ID
SMBIOS Reporting: SMBIOS
data
Clear Security Chip
Enter This option is used to clear
encryption keys. It will
not be possible to access
already-encrypted data after
these keys are cleared.
Physical Presence for
Provisioning
Disabled
Enabled
This option enables or disables the
confirmation message when you
change the settings of the security
chip.
Security Chip
Chapter 8. Advanced configuration 93