Table of Contents
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Parameter
Sync Flood on MCA Control
Platform First Error Handling
Core Performance Boost
Global C-State Control
Power Supply Idle Control
SEV ASID Count
SEV-ES ASID Space Limit
Control
Streaming Stores Control
Local APIC Mode
ACPI_CST C1 Declaration
MCA error thresh enable
SMU and PSP Debug Mode
PPIN Opt-in
Indirect Branch Prediction
Speculation
Description
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Enable/Disable PFEH, cloak individual banks, and mask deferred error
interrupts from each bank.
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Enable/Disable the Core Performance Boost function.
Options available: Auto, Disabled. Default setting is Auto.
Controls the IO based C-state generation and DF C-states.
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Configures the Power Supply Idle Control.
Options available: Auto, Low Current Idle, Typical Current Idle. Default
setting is Auto.
Specifies the maximum valid ASID, which affects the maximum system
physical address space.
Options available: Auto, 253 ASIDs, 509 ASIDs. Default setting is Auto.
Space limit control for SEV-ES ASIDs.
Options available: Auto, Manual. Default setting is Auto.
Enable/Disable the Streaming Stores functionality.
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Options available: Compatibility, xAPIC, x2APIC, Auto. Default setting is
Auto.
Determines whether or not to declare the C1 state to the OS..
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Enable MCA error thresholding.
Options available: Auto, False, True. Default setting is Auto.
When this option is enabled, specific uncorrected errors detected by the
PSP FW or SMU FW will hand and not reset the system.
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Enable/Disable the PPIN feature.
Options available: Auto, Enabled, Disabled. Default setting is Auto.
Enabled: Enter system memory is covered.
Options available: Disabled, Enabled, Auto. Default setting is Auto.
BIOS Setup
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