Dell Vostro 3478 Vostro 14-3478 Owners Manual - Page 57

Option Master Password Lockout SMM Security Mitigation Description When enabled, this option will disable master password support. • Enable Master Password Lockout Default setting: Enable Master Password Lockout is disabled This option enables or disables additional UEFI SMM Security Mitigation protections. • Enable Master Password Lockout Default setting: SMM Security Mitigation is disabled Table 10. Secure Boot Option Secure Boot Enable Expert Key Management Description This option enables or disables the Secure Boot Feature. • Disabled • Enabled Default Setting: The option is disabled. 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 11. Intel Software Guard Extensions screen options Option Intel SGX Enable Enclave Memory Size Description This field 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 setting: Software Controlled This option sets SGX Enclave Reserve Memory Size. The options are: • 32 MB • 64 MB • 128 MB Default setting: 128 MB System setup 57