Table 6. System setup options—Security menu (continued)
Security
Default: Disabled
Enable Non-Admin Password Changes Enables or disables the user to change the system and hard drive password
without the need for admin password.
Default: ON
Non-Admin Setup Changes
Enable UEFI Capsule Firmware Updates Enables or disables BIOS updates through UEFI capsule update packages.
Default: ON
Absolute Enables, disables or permanently disable the BIOS module interface of the
optional Absolute Persistence Module service from Absolute Software.
Default: Enabled
TPM 2.0 Security On Select whether or not the Trusted Platform Model (TPM) is visible to the OS.
Default: ON
PPI Bypass for Enable Commands Enables or disables the OS to skip BIOS Physical Presence Interface (PPI) user
prompts when issuing TPM PPI enabled and activate commands.
Default: OFF
PPI Bypass for Disable Commands Enables or disables The OS to skip BIOS PPI user prompts when issuing TPM
PPI Disable and Deactivate commands.
Default: OFF
PPI Bypass for Clear Commands Enables or disables the operating system to skip BIOS Physical Presence
Interface (PPI) user prompts when issuing the Clear command.
Default: OFF
Attestation Enable Enables to control whether the TPM Endorsement Hierarchy is available to the
OS. Disabling this setting restricts the ability to use the TPM for signature
operations.
Default: ON
Key Storage Enable Enables to control whether the TPM Endorsement Hierarchy is available to the
OS. Disabling this setting restricts the ability to use the TPM for storing owner
data.
Default: ON
SHA-256 Enables or disables the BIOS and the TPM to use the SHA-256 hash algorithm
to extend measurements into the TPM PCRs during BIOS boot.
Default: ON
Clear Enables or disables the computer to clear the PTT owner information, and
returns the PTT to the default state.
Default: OFF
TPM State Enables or disables the TPM. This is the normal operating state for the TPM
when you want to use its complete array of capabilities.
Default: Enabled
SMM Security Mitigation Enables or disables additional UEFI SMM Security Mitigation protections.
Default: OFF
NOTE: This feature may cause compatibility issues or loss of functionality
with some legacy tools and applications.
58 System setup
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