Dell Inspiron 5390 - Page 71

Security
PPI Bypass for Clear Commands Enables or disables the operating system to skip BIOS Physical Presence Interface
(PPI) user prompts when issuing the Clear command.
Default: OFF.
Clear Enables or disables the computer to clear the PTT owner information, and returns the
PTT to the default state.
Default: OFF.
Intel SGX Enables or disables the Intel Software Guard Extensions (SGX) to provide a secured
environment for running code/storing sensitive information.
Default: Software Control
SMM Security Mitigation Enables or disables additional UEFI SMM Security Mitigation protections.
Default: OFF.
NOTE: This feature may cause compatibility issues or loss of functionality
with some legacy tools and applications.
Enable Strong Passwords Enables or disables strong passwords.
Default: OFF.
Password Conguration Control the minimum and maximum number of characters that are allowed for Admin
and System passwords.
Admin Password Sets, Changes, or deletes the administrator (admin) password (sometimes called the
"setup" password).
System Password Sets, Changes, or deletes the system password.
Enable Master Password Lockout Enables or disables the master password support.
Default: OFF.
Table 7. System setup options—Secure Boot menu
Secure Boot
Enable Secure Boot 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
o.
Secure Boot Mode Selects the Secure Boot operation mode.
Default: Deployed Mode.
NOTE: Deployed Mode should be selected for normal operation of Secure
Boot.
Table 8. System setup options—Expert Key Management menu
Expert Key Management
Enable Custom Mode Enables or disables the keys in the PK, KEK, db, and dbx security key databases to be
modied.
Default: OFF.
Custom Mode Key Management Selects the custom values for expert key management.
System setup 71