Dell Inspiron 5491 Kurulum ve Teknik Özellikler Kılavuzu - Sayfa 25
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Secure Boot screen options
Option
Description
Secure Boot
This option enables or disables the Secure Boot feature.
Enable
● Disabled
● Enabled
Default setting: 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 (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
Intel Software Guard Extensions
Option
Description
Intel SGX Enable
This fields specifies you to provide a secured environment for running code/storing sensitive information
in the context of the main OS. The options are:
● Disabled
● Enabled
● Software Controlled (default)
Enclave Memory
This option sets SGX Enclave Reserve Memory Size. The option are:
Size
● 32 MB
● 64 MB
● 128 MB
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.
● All: This option is selected by default.
● 1
● 2
● 3
Intel SpeedStep
Allows you to enable or disable the Intel SpeedStep feature.
● Enable Intel SpeedStep
Default setting: The option is enabled.
NOTE:
If you disable the Custom Mode, all the changes made will be erased and the keys will
restore to default settings.
System setup options
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