Chapter 4: BIOS
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SHA-1 PCR Bank
Use this item to disable or enable the SHA-1 Platform Configuration Register (PCR) bank for
the installed TPM device. The options are Disabled and
Enabled
.
SHA256 PCR Bank
Use this feature to disable or enable the SHA256 Platform Configuration Register (PCR) bank
for the installed TPM device. The options are Disabled and
Enabled
.
Pending operation
Use this feature to schedule a TPM-related operation to be performed by a security device
for system data integrity. Your system will reboot to carry out a pending TPM operation. The
options are
None
and
TPM Clear.
Platform Hierarchy
Use this feature to disable or enable platform hierarchy for platform protection. The options
are Disabled and
Enabled
.
Storage Hierarchy
Use this feature to disable or enable storage hierarchy for cryptographic protection. The
options are Disabled and
Enabled
.
Endorsement Hierarchy
Use this feature to disable or enable endorsement hierarchy for privacy control. The options
are Disabled and
Enabled
.
TPM2.0 UEFI Spec Version
Use this feature to specify the TPM UEFI spec version. TCG 1.2 has support for Windows®
2012, Windows 8, and Windows 10. TCG 2 has support for Windows 10 or later. The options
are TCG_1_2 and
TCG_2
.
Physical Presence Spec Version
Use this feature to select the PPI spec version.
The options are 1.2
and
1.3.
TPM 20 InterfaceType
PH Randomization
Use this feature to disable or enable Platform Hiearchy (PH) Randomization. The options are
Disabled
and Enabled.
Device Select
Use this feature to select the TPM version. TPM 1.2 will restrict support to TPM 1.2 devices.
TPM 2.0 will restrict support for TPM 2.0 devices. Select Auto to enable support for both
versions. The options are TPM 1.2, TPM 2.0,
Auto
.
