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Parameter
SEV-ES ASID Space Limit
Control
Streaming Stores Control
Local APIC Mode
ACPI_CST C1 Decaration
MCA error thresh enable
SMU and PSP Debug Mode
Xtrig7 Workaround
PPIN Opt-in
SNP Memory (RMP Table)
Coverage
SMEE
Action on BIST Failure
Fast Short REP MOVSB
Enhanced REP MOVSB/
STOSB
REP-MOV/STOS Steaming
X3D
IBS hardware work around
Description
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.
Sets the Local APIC Mode.
Options available: Auto, xAPIC, x2APIC. 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.
Options available: Auto, No Workaround, Bronze Workaround, Sliver
Workaround. 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: Auto, Enabled, Disabled, Custom.
Default setting is Auto.
Control secure memory encryption enable.
Options available: Auto, Enabled, Disabled.
Default setting is Auto.
Action to take when a CCD BIST failure is detected.
Options available: Auto, Do nothing, Down-CCD.
Default setting is Auto.
Default is 1, cab be set to zero for analysis purpose as long as OS supports
it.
Options available: Enabled, Disabled.
Default setting is Enabled.
Default is 1, cab be set to zero for analysis purpose as long as OS supports
it.
Options available: Enabled, Disabled.
Default setting is Enabled.
Allows REP-MOV/STOS to use non-caching streaming stores for large
sizes.
Options available: Enabled, Disabled.
Default setting is Enabled.
Override of X3D technology.
Options available: Auto, Disable, 1 stack, 2 stack, 4 stack.
Default setting is Auto.
Set if using IBS execution sampling without software workaround for
erratum 1,285. May impac performance..
Options available: Enabled, Auto.
Default setting is Enabled.
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BIOS Setup
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