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 57.
• Hard Disk 2 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 57.
Security Chip
• Security Chip Type
Values: TPM 2.0
Descriptions: You can use a discrete TPM chip with TPM 2.0 mode.
• Security Chip (for TPM 2.0)
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.
• Intel (R) TXT Feature
Values: Disabled, Enabled
Descriptions: Enable or disable the Intel Trusted Execution Technology.
• 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.
• Secure RollBack Prevention
Values: Disabled, Enabled
Descriptions: When this option is disabled, you can flash the UEFI BIOS to earlier version.
Note: This item is set as Disabled by default when the OS Optimized Defaults on the Restart menu is
set as Disabled. This item is set as Enabled by default when the OS Optimized Defaults is set as
Enabled.
• Windows UEFI Firmware Update
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L480 and L580 User Guide
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