Reference Guide

--SmmSecurityMitigation
Table 399. --SmmSecurityMitigation
Attribute Details Description
Valid Argument Enabled, Disabled
Enables or disables the additional UEFI SMM Security Mitigation protections. The operating
system uses this feature to protect the secure environment created by virtualization-based
security. Enabling this feature provides the additional UEFI SMM Security Mitigation
protections support. However, this feature may cause compatibility or functionality issues with
some legacy tools and applications.
NOTE: You can disable Smmsecuritymitigation in manufacturing mode.
--SnoopFilter
Table 400. --SnoopFilter
Attribute Details Description
Valid Argument Enabled, Disabled
Enables or disables the snoop filter option from the system BIOS.
--InternalSpeaker
Table 401. --InternalSpeaker
Attribute Details Description
Valid Argument Enabled, Disabled, Low, Medium, High
Description
Turns the built-in speakers on or off.
● Enabled — turns on the built-in speaker. The speaker is enabled at the single system-
supported volume.
NOTE: This should be used only if low/medium/high attributes are not supported by
the system.
● Disabled — turns off the built-in speaker.
● Low — Sets the volume of the built-in speaker to low.
● Medium — Sets the volume of the built-in speakers to medium.
● High — Sets the volume of the built-in speakers to high.
--Speedstep
Table 402. --Speedstep
Attribute Details Description
Valid Argument Enabled, Disabled, MaxPerformance, MaxBattery
Sets the speedstep status to Enabled, Disabled, MaxPerformance, or MaxBattery.
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