Dell OptiPlex 7020 (Mid 2014) - Manual (Page 39)

NOTE: To enable secure boot, UEFI boot mode must be enabled and
Enable Legacy Option ROMs must be disabled or turned off.
Expert key Management Allows you to manipulate the security key databases only if the system is in
Custom Mode. The Enable Custom Mode option is disabled by default.
The options are:
• PK
• 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
NOTE: If you disable the Custom Mode, all the changes made will be
erased and the keys will restore to default settings.
Table 6. Performance
Option Description
Multi Core Support Specifies whether the process will have one or all cores enabled. The
performance of some applications will improve with the additional cores.
• All - This option is enabled by default
• 1
• 2
NOTE: To enable Trusted Execution mode, all cores must be enabled.
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of the
processor.
• Enable Intel SpeedStep - This option is enabled by default.
C States Control Allows you to enable or disable the additional processor sleep states.
• C States - This option is enabled by default.
Limit CPUID Value This field limits the maximum value the processor Standard CPUID
Function will support.
• Enable CPUID Limit - This option is not set by default.
NOTE: Some Operating system will not complete installation when
the maximum CPUID Function is greater than 3.
Intel TurboBoost Allows you to enable or disable Intel TurboBoost mode of the processor.
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