Lenovo ThinkPad E480, User Manual

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• Set Minimum Length
Values: Disabled , x characters (4 ≤ x ≤ 12)
Descriptions: Specify a minimum length for power-on passwords and hard disk passwords. If a supervisor
password is set, you cannot change the minimum length until you log in as a supervisor.
• Power-On Password
Values: Disabled , Enabled
Descriptions: Set a power-on password to protect the computer from unauthorized access. For more
information, see “Passwords introduction” on page 37.
• Hard Disk x Password
Values: Disabled , Enabled
Descriptions: Set a hard disk password to prevent unauthorized users from accessing data on the internal
storage drive. For more information, see “Passwords introduction” on page 37.
Security Chip
• Security Chip Type
Values: TPM 2.0
Descriptions: You can use a discrete TPM chip with TPM 2.0 mode.
Note: This item is only displayed on models with the discrete TPM chip.
• Security Chip Type
Values: Intel PTT
Descriptions: You can use Intel PTT with TPM 2.0 mode.
Note: This item is only displayed on models without the discrete TPM chip.
• Security Chip
Values: Enabled , Disabled
Descriptions: Enable or disable the security chip.
• Security Reporting Options
– SMBIOS Reporting
Values: Enabled , Disabled
Descriptions: When enabled, changes to corresponding UEFI BIOS data are logged in a location,
(PCR1, defined in the TCG standards), which other authorized programs can monitor, read and analyze.
• Clear Security Chip
Descriptions: Use this option to clear the encryption key. It will not be possible to access already-
encrypted data after these keys are cleared.
• Physical Presence for Clear
Values: Disabled, Enabled
Descriptions: If this option is enabled, a confirmation message is displayed when you clear the security
chip.
UEFI BIOS Update Option
• Flash BIOS Updating by End-Users
Values: Disabled, Enabled
Descriptions: When this option is enabled, all users can update the UEFI BIOS. If you disable this option,
only the person who knows the supervisor password can update the UEFI BIOS.
Chapter 6
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Advanced configuration
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