Secure Boot Screen Options; Performance Screen Options - Dell Latitude 3580 Owner's Manual

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

Performance screen options

Option Description
Multi-Core This field specifies whether the process has one or all cores enabled. The performance of some
Support 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.
● Enable Multi-Core Support
Default setting: The option is enabled.
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep feature.
● Enable Intel SpeedStep
Default setting: The option is enabled.
C-States Control Allows you to enable or disable the additional processor sleep states.
● C states
NOTE: The Activate and Disable options will permanently activate or disable the feature and no
further changes will be allowed.
NOTE: If you disable the Custom Mode, all the changes made are erased and the keys restore to
default settings.
System setup options 45