Lenovo ThinkPad E485 User Manual page 69

• 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.
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Chapter 6 Advanced configuration
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