Secure Boot Screen Options; Performance Screen Options - Dell Latitude 3480 Owner's Manual

Option Description
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CPU XD Support Allows you to enable the Execute Disable mode of the processor.
Enable CPU XD Support—enabled by default
Admin Setup Allows you to prevent users from entering Setup when an Administrator password is set.
Lockout
Default Setting: This option is enabled
Master password This option is not enabled by default
lockout

Secure Boot screen options

Option Description
Secure Boot Enable This option enables or disables the Secure Boot feature.
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Expert Key Allows you to manipulate the security key databases only if the system is in Custom Mode. The Enable Custom
Management Mode option is disabled by default. The options are:
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If you enable the Custom Mode, the relevant options for PK, KEK, db, and dbx appear. The options are:
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Performance screen options

Option Description
Multi-Core Support This field specifies whether the process has one or all cores enabled. The performance of some applications
improves with the additional cores. This option is enabled by default. Allows you to enable or disable multi-core
support for the processor. The installed processor supports two cores. If you enable Multi-Core Support, two cores
are enabled. If you disable Multi-Core Support, one core is enabled.
46 System setup options
Deactivate
Disable
Activate—enabled by default
NOTE: The Activate and Disable options will permanently activate or disable the feature and no further
changes will be allowed.
Disabled (Default)
Enabled
PK—enabled by default
KEK
db
dbx
Save to File—Saves the key to a user-selected file
Replace from File—Replaces the current key with a key from a user-selected file
Append from File—Adds a key to the current database from a user-selected file
Delete—Deletes the selected key
Reset All Keys—Resets to default setting
Delete All Keys—Deletes all the keys
NOTE: If you disable the Custom Mode, all the changes made are erased and the keys restore to default
settings.