SBC35-427/BIOS Settings
v1.0
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Page 16
4.3.9 TPM
Disable/enable the onboard TPM 2.0 device as well as the Platform
Configuration Registers (PCR) for each supported hash algorithm.
NOTE You must navigate to the Save & Exit tab, select
Save Changes and Reset
,
then press
Enter
for the TPM reset to occur.
•
Passive Policy Sets the Passive Policy, which is responsible for
limiting power and performance of components
in response to a participant's temperature rising
above the platform defined trip point. Passive
Policy 2.0 uses a new ACPI object to configure the
temperature thresholds. It may not be compatible
with Linux.
Disable,
Passive
Policy 1.0,
Passive
Policy 2.0
Passive
Policy 2.0
•
TRT Revision
Sets the Thermal Relationship Table (TRT), which
informs the OS the relative thermal contribution
of each device to each thermal zone.
Traditional,
Priority
Priority
•
Critical Policy Enables/disables the Critical Policy. In the event
the platform reaches a critical temperature, the
Critical Policy is responsible for gracefully shutting
down the system.
Enable,
Disable
Enable
•
Power Boss
Enables/disables the Power Boss policy. The goal
of the policy is to prevent platform shutdown due
to a power “brown out” due to a peak or sustained
power load that is not supported by the present
power source.
Enable,
Disable
Enable
Feature
Description
Choices
Default
Feature
Description
Choices
Default
Security Device
Support
Enables/disables BIOS support for security device.
If disabled, the OS does not show a security device
and the TCG EFI protocol and INT1A interface are
not available.
Enable,
Disable
Enable
SHA-1 PCR Bank
Enables/disables SHA-1 PCR Bank.
Enable,
Disable
Enable
SHA256 PCR Bank Enables/disables SHA256 PCR Bank.
Enable,
Disable
Enable
Pending
operation
Selecting TPM Clear schedules a reset operation
for the security device and executes after saving
the BIOS and rebooting the system.
None, TPM
Clear
None
