Dell Latitude 5490 Owners Manual - Page 82
Secure Boot screen options
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Option Description • TPM On: This option is enabled by default. • Clear • 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). Computrace CPU XD Support Allows you to activate or disable the optional Computrace software The options are: • Deactivate • Disable • Activate NOTE: The Activate and Disable options will permanently activate or disable the feature and no further changes will be allowed Allows you to enable the Execute Disable mode of the processor. Enable CPU XD Support (default) OROM Keyboard Access Allows you to set an option to enter the Option ROM Configuration screens using hotkeys during boot. The options are: • Enabled • One Time Enable • Disabled Default setting: Enabled Admin Setup Lockout Allows you to prevent users from entering Setup when an Administrator password is set. Default Setting: Disabled Master Password Lockout Allows you to disable master password support. Hard disk password need to be cleared before the setting can be changed • Enable Master Password Lockout Default setting: Disabled Secure Boot screen options Option Description Secure Boot Enable This option enables or disables the Secure Boot feature. • Disabled • Enabled 82 System setup options