Dell OptiPlex XE2, Owner'S Manual, Page: 38 / 61

NOTE: For enable system need to be UEFI boot mode and enable legacy option
ROMs to be 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 - Enabled by default
• 1
• 2
Intel SpeedStep Allows you to enable or disable the Intel SpeedStep mode of the processor. This
option is enabled by default.
C States Control Allows you to enable or disable the additional processor sleep 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
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.
• Disabled - Does not allow the TurboBoost driver to increase the performance
state of the processor above the standard performance.
• Enabled - Allows the Intel TurboBoost driver to increase the performance of the
CPU or graphics processor.
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