Dell Inspiron 5498 Service Manual

Table 8. System setup options—Security menu (continued)SecurityDefault: OFFClear Enables or disables the computer to clear the PTT owner information, andreturns the PTT to the default state.Default: OFFIntel SGX Enables or disables the Intel Software Guard Extensions (SGX) to provide asecured environment for running code/storing sensitive information.Default: Software ControlTable 9. System setup options—Secure Boot menuSecure BootSecure BootEnable Secure Boot Enables or disables the computer to boos using only validated boot software.Default: OFFNOTE: For Secure Boot to be enabled, the computer needs to be in UEFIboot mode and the Enable Legacy Option ROMs option needs to be turnedoff.Secure Boot Mode Selects the Secure Boot operation mode.Default: Deployed ModeNOTE: Deployed Mode should be selected for normal operation of SecureBoot.Table 10. System setup options—Expert Key Management menuExpert Key ManagementExpert Key ManagementEnable Custom Mode Enables or disables the keys in the PK, KEK, db, and dbx security key databasesto be modified.Default: OFFCustom Mode Key Management Selects the custom values for expert key management.Default: PKTable 11. System setup options—Performance menuPerformanceMulti-Core SupportActive Cores Changes the number of CPU cores available to the operating system. Thedefault value is set to the maximum number of cores.Default: All CoresIntel SpeedStepEnable Intel SpeedStep Technology Enables or disables the Intel SpeedStep Technology to dynamically adjustprocessor voltage and core frequency, decreasing average power consumptionand heat production.Default: ONEnable C-State Control Enables or disables the CPU's ability to enter and exit low-power states.62 System setup