Dell Inspiron 5590 Service Manual page 71

Secure Boot
Enable Secure Boot
Secure Boot Mode
Table 9. System setup options—Expert Key Management menu
Expert Key Management
Expert Key Management
Enable Custom Mode
Custom Mode Key Management
Table 10. System setup options—Performance menu
Performance
Multi-Core Support
Active Cores
Intel SpeedStep
Enable Intel SpeedStep Technology
Enable C-State Control
Intel TurboBoost Technology
Enable Intel Turbo Boost Technology
Intel Hyper-Threading Technology
Enable Intel Hyper-Threading Technology
Enables or disables the computer to boos using only validated boot software.
Default: OFF
NOTE: For Secure Boot to be enabled, the computer needs to be in UEFI
boot mode and the Enable Legacy Option ROMs option needs to be
turned off.
Selects the Secure Boot operation mode.
Default: Deployed Mode
NOTE: Deployed Mode should be selected for normal operation of Secure
Boot.
Enables or disables the keys in the PK, KEK, db, and dbx security key databases to be
modified.
Default: OFF
Selects the custom values for expert key management.
Default: PK
Changes the number of CPU cores available to the operating system. The default
value is set to the maximum number of cores.
Default: All Cores
Enables or disables the Intel SpeedStep Technology to dynamically adjust processor
voltage and core frequency, decreasing average power consumption and heat
production.
Default: ON
Enables or disables the CPU's ability to enter and exit low-power states.
Default: ON
Enables or disables the Intel TurboBoost mode of the processor. If enabled, the Intel
TurboBoost driver increases the performance of the CPU or graphics processor.
Default: ON
Enables or disables the Intel Hyper-Threading Technology to use processor resources
more efficiently.
Default: ON
System setup 71