Secure Boot - Dell Vostro 3591 Service Manual

Option
Non-Admin Setup Changes
UEFI Capsule Firmware Updates
TPM 2.0 Security
Computrace(R)
OROM Keyboard Access
Admin Setup Lockout
Master Password Lockout
SMM Security Mitigation

Secure boot

Table 5. Secure Boot
Option
Secure Boot Enable
Secure Boot Mode
80 System setup
Description
Allow Non-Admin Password Changes - This option is enabled by default.
Determines whether changes to the setup option are permitted when an administrator password is
set.
This option controls whether this system allows BIOS updates via UEFI capsule update packages.
This option is selected by default. Disabling this option will block BIOS updates from services such as
Microsoft Windows Update and Linux Vendor Firmware Service (LVFS)
Allows you to control whether the Trusted Platform Module (TPM) is visible to the operating
system.
• TPM On (default)
• Clear
• PPI Bypass for Enable Commands
• PPI Bypass for Disable Commands
• PPI Bypass for Clear Commands
• Attestation Enable (default)
• Key Storage Enable (default)
• SHA-256 (default)
Choose any one option:
• Disabled
• Enabled (default)
This field lets you Activate or Disable the BIOS module interface of the optional Computrace Service
from Absolute Software. Enables or disables the optional Computrace service designed for asset
management.
• Deactivate
• Disable
• Activate - This option is selected by default.
This option determines whether users are able to enter Option ROM configuration screen via
hotkeys during boot.
• Enabled (default)
• Disabled
• One Time Enable
Allows you to prevent users from entering Setup when Admin password is set. This option is not set
by default.
Allows you to disable master password support Hard Disk passwords need to be cleared before the
settings can be changed. This option is not set by default.
Allows you to enable or disable additional UEFI SMM Security Mitigation protections. This option is
not set by default.
Description
Allows you to enable or disable Secure Boot feature
• Secure Boot Enable
This option is selected by default.
Allows you to modify the behavior of Secure Boot to allow evaluation or enforcement of UEFI
driver signatures.
• Deployed Mode (default)