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Table 20. Power (continued)
Options
Active State Power Management (ASPM)
Block Sleep
Intel Speed Shift Technology
Intel Speed Shift Technology
Security
This section provides security details and settings.
Table 21. Security
Options
TPM 2.0 Security
TPM 2.0 Security On
Attestation Enable
Key Storage Enable
SHA-256
Clear
Description
● Power On - System powers on after AC power is restored
● Last Power State - System returns to the previous state
after AC power recovery
This section allows the user to set the ASPM level. The
options here are:
● Auto - There is handshaking between the device and PCI
Express hub (Selected by default)
● Disabled - ASPM power management is turned off at all
times
● L1 Only - ASPM power management is set to level 1
This section determines how aggressively the system is
conserving power while in Shutdown (S5) or Hiernate (S4)
mode. The options are:
● Disabled
● Enabled in S5 only
● Enabled in S4 and S5 (Selected by default)
This section contains a toggle switch to allow the user to
enable or disable Intel Speed Shift Technology support. This
feature enables the operating system to select appropriate
processor performance automatically (ON by default).
Description
This section contains a toggle switch to select whether
Trusted Platform Module(TPM) is visible to the Operating
System(OS). (ON by default)
This section contains a toggle switch which lets the user
control whether the TPM Endorsement Hierarchy is available
to the operating system (OFF by default).
This section contains a toggle switch that allows the user to
control whether TPM Storage Hierarchy is available to the
operating system (ON by default).
This section contains a toggle switch that when enabled,
allows the BIOS and the TPM to use the SHA-256 hash
algorithm to extend measurements into the TPM PCRs during
BIOS boot (ON by default).
This section contains a toggle switch which clears the TPM
owner information, and returns the TPM to the default state
(OFF by default).
System setup
77
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