BIOS Setup
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Parameter Description
CPU Common Options
Performance Press[Enter]forcongurationofadvanceditems.
REP-MOV/STOS Streaming
Allow REP-MOV/STOS to use non-caching streaming stores for large sizes.
Options available: Disabled, Enabled. Default setting is Enabled.
Prefetcher settings Press[Enter]forcongurationofadvanceditems.
Core Watchdog Press[Enter]forcongurationofadvanceditems.
RedirectForReturnDis
From a workaround for GCC/C000005 issue for XV Core on CZ A0,
settingMSRC001_1029DecodeConguration(DE_CFG)bit14
[DecfgNoRdrctForReturns] to 1.
Options available: Auto
,
1, 0. Default setting is Auto.
Platform First Error Handling
Enable/Disable PFEH, cloak individual banks, and mask deferred error
interrupts from each bank.
Options available: Enabled, Disabled, Auto. Default setting is Auto.
Core Performance Boost
Enable/Disable the Core Performance Boost function.
Options available: Disabled, Auto. Default setting is Auto.
Global C-state Control
Controls the IO based C-state generation and DF C-states.
Options available: Disabled, Enabled, Auto. Default setting is Auto.
Power Supply Idle Control
ConguresthePowerSupplyIdleControl.
Options available: Low Current Idle, Typical Current Idle, Auto.
Default setting is Auto.
SEV-ES ASID Space Limit
CongurestheSpacelimitforSEV-ESASIDs.
Default setting is 1.
SEV Control
Enable/Disable SEV control.
Options available: Enable, Disable. Default setting is Enable.
Streaming Stores Control
Enable/Disable the Streaming Stores functionality.
Options available: Disabled, Enabled, Auto. Default setting is Auto.
Local APIC Mode
Sets the Local APIC Mode.
Options available: Compatibility, xAPIC, x2APIC, Auto.
Default setting is Auto.
ACPI_CST C1 Declaration
Determines whether or not to declare the C1 state to the OS..
Options available: Disabled, Enabled, Auto. Default setting is Auto.
MCA error thresh enable
Enable MCA error thresholding.
Options available: False, True, Auto. Default setting is True.
MCA FruText
Enable MCA FruText.
Options available: False, True. Default setting is Auto.
SMU and PSP Debug Mode
Whenthisoptionisenabled,specicuncorrectederrorsdetectedbythe
PSP FW or SMU FW will hand and not reset the system.
Options available: Disabled, Enabled, Auto. Default setting is Auto.
PPIN Opt-in
Enable/Disable the PPIN feature.
Options available: Disabled, Enabled, Auto. Default setting is Auto.
SNP Memory (RMP Table)
Coverage
Enabled: Enter system memory is covered.
Options available: Disabled, Enabled, Custom, Auto.
Default setting is Auto.