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Chapter 6: UEFI BIOS
High Precision Event Timer
Select Enabled to activate the High Precision Event Timer (HPET) that produces periodic
interrupts at a much higher frequency than a Real-time Clock (RTC) does in synchronizing
multimedia streams, providing smooth playback and reducing the dependency on other
timestamp calculation devices, such as an x86 RDTSC Instruction embedded in the CPU.
The High Performance Event Timer is used to replace the 8254 Programmable Interval Timer.
The options are Disabled and
Enabled
.
Trusted Computing
*The features in the Trusted Computing section on this page are displayed if a TPM
1.2 module is detected:
Configuration
Security Device Support
If this feature and the TPM jumper on the motherboard are both set to Enabled, onboard
security devices will be enabled for TPM support to enhance data integrity and network
security. Please reboot the system for a change on this setting to take effect. The options
are Disable and
Enable
.
TPM State
Select Enabled to use TPM (Trusted Platform Module) settings to enhance system data
security. Please reboot your system for any change on the TPM state to take effect. 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.
Note
: Your system will reboot to carry out a pending TPM operation.
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 default setting is
Auto
.
Current Status Information
This feature displays the status of the TPM support on this motherboard.
•
TPM Enabled Status
•
TPM Active Status
•
TPM Owner Status
