HP EliteDesk 800 G3 TWR Maintenance And Service Manual page 92

Table 5-3 Computer Setup—Advanced (for advanced users) (continued)
Option
Secure Boot
Configuration
System Options
82 Chapter 5 Computer Setup (F10) Utility
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NOTE: If the system is configured to 'Power On from Keyboard Ports' (see Power Management
Options), then this setting is forced to 'Power On'.
● Audio Alerts During Boot. Default is enabled. When disabled, most audible beeps from errors,
warnings, and password prompts during boot up are suppressed.
● Prompt on Memory Size Change. Default is enabled.
● Prompt on Fixed Storage Change. Default is disabled.
UEFI Boot Order.
●
Default is enabled. Specify the order in which UEFI boot sources (such as a internal hard drive, USB
hard drive, USB optical drive, or internal optical drive) are checked for a bootable operating system
image.
UEFI boot sources always have precedence over legacy boot sources.
Configure Legacy Support and Secure Boot
Lets you turn off all legacy support on the computer, including booting to DOS, running legacy graphics
cards, booting to legacy devices, and so on.
Lets you make sure an operating system is legitimate before booting to it, making Windows resistant to
malicious modification from preboot to full OS booting, preventing firmware attacks. UEFI and Windows
Secure Boot only allow code signed by pre-approved digital certificates to run during the firmware and OS
boot process.
● Legacy Support Enable and Secure Boot Disable
● Legacy Support Disable and Secure Boot Enable
● Legacy Support Disable and Secure Boot Disable
Default is 'Legacy Support Disable and Secure Boot Disable'.
Secure Boot Key Management
Lets you manage the custom key settings.
Import Custom Secure Boot keys
Default is disabled.
Clear Secure Boot Keys
Lets you delete any previously loaded custom boot keys. Clearing keys will disable secure boot. Default is
disabled.
Reset Secure Boot keys to factory defaults
Default is disabled.
Enable MS UEFI CA key
Disabling this setting alters the Secure Boot key list to further restrict the allowed software
components. Set this option to 'disable' to support Device Guard.
Turbo boost
Intel Turbo Boost Technology (TBT) automatically allows processor cores to run faster than the base
operating frequency if it is operating below power, current, and temperature specification limits. Default
is enabled.
Multi-processor
Use this option to disable multi-processor support under the operating system. Default is enabled.
Virtualization Technology (VTx) (Intel only)