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Table 40. System Setup options—Power menu (continued)
Power
Intel Speed Shift Technology
Table 41. System Setup options—Security menu
Security
TPM 2.0 Security
TPM 2.0 Security On
Attestation Enable
Key Storage Enable
SHA-256
110
BIOS Setup
By default, the Power On Lid Open option is enabled.
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.
NOTE:
To view this option, enable Service options as described in
Service
options.
Trusted Platform Module (TPM) is a security device that stores computer-
generated keys for encryption and features such as BitLocker, Virtual Secure
Mode, remote Attestation.
By default, the TPM 2.0 Security option is enabled.
For additional security, Dell Technologies recommends keeping the Trusted
Platform Module (TPM) enabled to allow these security technologies to fully
function.
Enables or disables the TPM.
By default, the TPM 2.0 Securty On option is enabled.
For additional security, Dell Technologies recommends keeping TPM enabled to
allow these security technologies to fully function.
NOTE:
To view this option, enable Advanced Setup mode as described in
View Advanced Setup
The Attestation Enable option controls the endorsement hierarchy of TPM.
Disabling the Attestation Enable option prevents TPM from being used to
digitally sign certificates.
By default, the Attestation Enable option is enabled.
For additional security, Dell Technologies recommends keeping the Attestation
Enable option enabled.
NOTE:
When disabled, this feature may cause compatibility issues or loss of
functionality in some operating systems.
NOTE:
To view this option, enable Advanced Setup mode as described in
View Advanced Setup
The Key Storage Enable option controls the storage hierarchy of TPM, which is
used to store digital keys. Disabling the Key Storage Enable option restricts the
ability of TPM to store owner's data.
By default, the Key Storage Enable option is enabled.
For additional security, Dell Technologies recommends keeping the Key Storage
Enable option enabled.
NOTE:
When disabled, this feature may cause compatibility issues or loss of
functionality in some operating systems.
NOTE:
To view this option, enable Service options as described in
Service
options.
Allows you to control the usage of SHA-256 by TPM. When enabled, the BIOS
and TPM use the SHA-256 hash algorithm to extend measurements into the
TPM PCRs during BIOS boot. When disabled, the BIOS and TPM use the SHA-1
hash algorithm to extend measurements into the TPM PCRs during BIOS boot.
options.
options.
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