Table 37. System setup options—Power menu(continued)
Power
NOTE: When enabled, the computer does not go to Sleep, Intel Rapid Start is
disabled automatically, and the operating system power option is blank if it was
set to Sleep.
Lid Switch
Enable Lid Switch Enables or disables the Lid Switch.
By default, the Enable Lid Switch option is enabled.
Power On Lid Open When enabled, it allows the computer to turn on from the off state whenever the lid
is opened.
By default, the Power On Lid Open option is enabled.
Intel Speed Shift Technology Enables or disables the Intel Speed Shift Technology support. When enabled, the
operating system selects the appropriate processor performance automatically.
By default, the Intel Speed Shift Technology option is enabled.
Table 38. System setup options—Security menu
Security
Intel Platform Trust Technology (PTT) Intel PTT is a firmware-based Trusted Platform Module (fTPM) device that is part of
Intel chipsets. It provides credential storage and key management that can replace
the equivalent functionality of a discrete TPM chip.
NOTE: The options that are listed apply to computers with a discrete Trusted
Platform Module (TPM).
PTT On Enables or disables the Intel PTT option.
By default, the PTT On option is enabled.
For additional security, Dell Technologies recommends keeping the PTT On option
enabled.
Physical Presence Interface (PPI) Bypass for
Clear Commands
The PPI Bypass for Clear Commands option allows the operating system to manage
certain aspects of PTT. When enabled, you are not prompted to confirm changes to
the PTT configuration.
By default, the PPI Bypass for Clear Commands option is disabled.
For additional security, Dell Technologies recommends keeping the PPI Bypass for
Clear Commands option disabled.
Clear When enabled, the Clear option clears the information that is stored in the PTT
fTPM after exiting the computer's BIOS. This option returns to the disabled state
when the computer restarts.
By default, the Clear option is disabled.
Dell Technologies recommends enabling the Clear option only when PTT fTPM data
needs to be cleared.
SMM Security Mitigation Enables or disables additional UEFI SMM Security Mitigation protections. This
option uses the Windows SMM Security Mitigations Table (WSMT) to confirm to
the operating system that security best practices have been implemented by the
UEFI firmware.
By default, the SMM Security Mitigation option is enabled.
For additional security, Dell Technologies recommends keeping the SMM Security
Mitigation option enabled unless you have a specific application which is not
compatible.
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