Dell NOT22422 Owner's Manual page 127

Table 38. System setup options—Power menu (continued)
Power
Intel Speed Shift Technology
Table 39. System setup options—Security menu
Security
TPM 2.0 Security On
PPI Bypass for Clear Commands
Attestation Enable
Key Storage Enable
SHA-256
Clear
Chassis Intrusion
SMM Security Mitigation
SMM Security Mitigation
Data Wipe on Next Boot
Start Data Wipe
Absolute
Absolute
UEFI Boot Path Security
126 BIOS Setup
Enables or disables the Intel Speed Shift Technology support. Setting this
option to enable allows the operating system to select the appropriate
processor performance automatically.
Default: ON
Select whether or not the Trusted Platform Model (TPM) is visible to the OS.
Default: ON
Enables or disables the operating system to skip BIOS Physical Presence
Interface (PPI) user prompts when issuing the Clear command.
Default: OFF
Enables to control whether the TPM Endorsement Hierarchy is available to the
OS. Disabling this setting restricts the ability to use the TPM for signature
operations.
Default: ON
Enables to control whether the TPM Endorsement Hierarchy is available to the
OS. Disabling this setting restricts the ability to use the TPM for storing owner
data.
Default: ON
Enables or disables the BIOS and the TPM to use the SHA-256 hash algorithm
to extend measurements into the TPM PCRs during BIOS boot.
Default: ON
Enables or disables the computer to clear the TPM owner information, and
returns the TPM to the default state.
Default: OFF
Controls the chassis intrusion feature.
By default, the option is disabled.
Enables or disables additional UEFI SMM Security Mitigation protections.
Default: ON
NOTE: This feature may cause compatibility issues or loss of functionality
with some legacy tools and applications.
When enabled, the BIOS will queue up a data wipe cycle for storage device(s)
connected to the motherboard on the next reboot.
Default: OFF
Enables, disables or permanently disable the BIOS module interface of the
optional Absolute Persistence Module service from Absolute Software.
By default, Enable Absolute is selected.