Secure Boot Screen Options - Dell Latitude 5491 Setup And Specifications Manual

Option Description
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Computrace Allows you to activate or disable the optional Computrace software The options are:
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CPU XD Support Allows you to enable the Execute Disable mode of the processor.
Enable CPU XD Support (default)
OROM Keyboard Allows you to set an option to enter the Option ROM Configuration screens using hotkeys during boot. The options
Access are:
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Default setting: Enabled
Admin Setup Allows you to prevent users from entering Setup when an Administrator password is set.
Lockout
Default Setting: Disabled
Master Password Allows you to disable master password support. Hard disk password need to be cleared before the setting can be
Lockout changed
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Default setting: Disabled
SMM Security The option SMM Security Mitigation is not selected by default
Mitigation

Secure Boot screen options

Option Description
Secure Boot Enable This option enables or disables the Secure Boot feature.
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26 System setup options
PPI Bypass for Enabled Commands
Attestation Enable (This option is enabled by default)
Key Storage Enable (This option is enabled by default)
PPI Bypass for Disable Commands
PPI Bypass for Clear Commands (This option is enabled by default)
SHA-256: This option is enabled by default.
Disabled
Enabled (This option is enabled by default)
NOTE: To upgrade or downgrade TPM1.2/2.0, download the TPM wrapper tool (software).
Deactivate
Disable
Activate
NOTE: The Activate and Disable options will permanently activate or disable the feature and no further
changes will be allowed
Enabled
One Time Enable
Disabled
Enable Master Password Lockout
Disabled
Enabled