Dell D31M Owner's Manual page 133

Table 38. System setup options—Power menu (continued)
Power
Table 39. System setup options—Security menu
Security
TPM 2.0 Security
TPM 2.0 Security On
TPM On
Physical Presence Interface (PPI) Bypass
for Enable Commands
Physical Presence Interface (PPI) Bypass
for Disable Commands
Physical Presence Interface (PPI) Bypass
for Clear Commands
Attestation Enable
Key Storage Enable
By default, the Intel Speed Shift Technology option is enabled.
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 Trusted Platform Module (TPM) option is enabled.
For additional security, Dell Technologies recommends keeping Trusted
Platform Module (TPM) enabled to allow these security technologies to fully
function.
Allows you to enable or disable TPM.
By default, the TPM On option is enabled.
For additional security, Dell Technologies recommends keeping TPM enabled to
allow these security technologies to fully function.
The Physical Presence Interface (PPI) Bypass options can be used to allow
the operating system to manage certain aspects of the TPM. If these options
are enabled, you are not prompted to confirm certain changes to the TPM
configuration.
By default, the PPI Bypass for Enable Commands option is enabled.
For additional security, Dell Technologies recommends keeping the PPI
Bypass for Enable Commands option enabled.
By default, the PPI Bypass for Disable Commands option is disabled.
For additional security, Dell Technologies recommends keeping the PPI
Bypass for Disable Commands option disabled.
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.
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.
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.
BIOS setup 133