Security

User Password

Exit

Save Changes and Exit

Discard Changes and Exit

Save Changes and Reset

Discard Changes and Reset

Save Changes

Discard Changes

Back quote

`

Tilde

~

Exclamation point

!

At sign

@

Pound sign

#

Dollar sign

$

Percent sign

%

Caret

^

Ampersand sign

&

Asterisk

*

Left parenthesis

(

Right parenthesis

)

Underscore

_

Plus sign

+

Minus sign

-

Equal sign

=

Left bracket

[

Right bracket

]

Back slash

\

Left brace

{

Right brace

}

Vertical bar

|

Semi-colon

;

Apostrophe

'

Colon

:

Quotation marks

"

Comma

,

Dot

.

Forward slash

/

Left angle bracket

< 

Right angle bracket

> 

Question mark

?

BIOS Information

Project Name

Displays the project name.

N/A

Product Name

Displays the product name.

N/A

BIOS Version

Displays the BIOS version.

N/A

Build Date and Time

Displays the compiling date and time of the BIOS build.

N/A

System Uuid

Displays the universally unique identifier (UUID) of the system.

N/A

Access Level

Displays the privileges of the current login role.

N/A

Platform Information

Processor

Displays the CPU ID and stepping.

N/A

PCH

Displays the platform controller hub (PCH) model.

N/A

RC Revision

Displays the RC version.

N/A

Memory Information

Total Memory

Displays the total memory capacity of DRAM in GB.

N/A

Usable Memory

Displays the usable DRAM memory capacity, in GB.

When a specific memory mode, such as memory mirroring, is set, the total memory capacity is different from the actual usable memory capacity. This item displays the actual usable memory capacity.

N/A

Current Memory Frequency

Displays the current memory frequency.

For information about setting the memory frequency, see "Memory Configuration submenu."

N/A

System Language

Displays the language used in the system.

The BIOS supports English and simplified Chinese.

To switch between the languages, press Enter.

English

Setup Mode

Set the BIOS setup mode.

Options:

·     Text.

·     Graphic.

Graphic

System Date

Displays the system date. You can change the system date as needed.

The system date is in the format of mm/dd/yyyy. Click Date to make changes. Adjust the values using the arrows. Click Set to modify the date, or click Cancel to undo the modifications.

·     Press + or ↑ to increase the value by 1.

·     Press - or ↓ to decrease the value by 1.

·     Press → or ← to select other items to modify the value.

N/A

System Time

Displays the system time. You can change the system time as needed.

The system time is in the format of hh:mm:ss in 24-hour format. Click Time to make changes, adjust values using arrows, and click Set to apply moodifies or Cancel to undo them.

·     Press + or ↑ to increase the value by 1.

·     Press - or ↓ to decrease the value by 1.

·     Press → or ← to select other items to modify the value.

N/A

Socket Configuration

Submenu for configuring the socket.

Platform Configuration

Submenu for configuring the platform.

Trusted Computing

Submenu for configuring trusted computing.

ACPI Settings

Submenu for configuring advanced configuration and power interface (ACPI) settings.

Serial Port Console Redirection

Submenu for configuring serial port console redirection.

PCI Subsystem Settings

Submenu for configuring the PCI subsystem.

USB Configuration

Submenu for configuring USB.

CSM Configuration

Submenu for configuring the compatibility support module (CSM).

NVMe Configuration

Submenu for configuring NVMe.

Network Configuration

Submenu for configuring network stacks.

Miscellaneous Configuration

Other configuration.

Intel(R) Optane(TM) Persisent Memory Configuration

Intel Optane persistent memory configuration menu.

Intel(R) VROC sSATA Controller

Submenu for configuring Intel(R) VROC sSATA controller.

This submenu is available only when the sSATA mode is set to RAID in the PCH settings.

Intel(R) VROC SATA Controller

Submenu for configuring Intel(R) VROC SATA controller.

This submenu is available only when the SATA mode is set to RAID in the PCH settings.

Intel(R) Virtual RAID on CPU

Submenu for configuring Intel(R) Virtual RAID on CPU (Intel VROC).

This submenu is available only when VMD is enabled.

Driver Health

Submenu for viewing the health state of drivers or controllers.

This submenu is available only in UEFI boot mode.

Processor Configuration

Submenu for configuring processors, as shown in Figure 29.

The submenu items are described in Table 9.

Common RefCode Configuration

Submenu for configuring the common reference code, as shown in Figure 32.

The submenu items are described in Table 13.

Uncore Configuration

Submenu for configuring Uncore parameters, as shown in Figure 33.

The submenu items are described in Table 14.

Memory Configuration

Submenu for configuring memory parameters, as shown in Figure 36.

The submenu items are described in Table 17.

IIO Configuration

Submenu for configuring Integrated I/O module (IIO) parameters, as shown in Figure 39.

The submenu items are described in Table 20.

Advanced Power Management Configuration

Submenu for configuring advanced power management parameters, as shown in Figure 43.

The submenu items are described in Table 24.

Socket Information

Socket configuration menu

N/A

Per-Socket Configuration

Access the submenu for per-socket configuration, as shown in Figure 30.

The submenu items are described in Table 11.

N/A

Processor BSP Revision

Displays the processor revision.

N/A

Enable LP [Global]

Select whether all logical processors are enabled.

Options:

·     ALL LPs—Enable all logical processors.

·     Single LP—Enable only a single logical processor.

ALL LPs

Hardware Prefetcher

Select Enabled or Disabled to enable or disable hardware prefetcher.

If hardware prefetcher is enabled, the processor prefetches instructions or data from memory to L2 cache before processing the instructions or data. This feature helps improve system performance by reducing memory access time and eliminating potential bottlenecks.

Enabled

L2 RFO Prefetch Disable

Select Enabled or Disabled to enable or disable L2 read for ownership (RFO) prefetch.

RFO is the process of reading cache rows from memory into the cache before they are written to memory.

Disabled

Adjacent Cache Prefetch

Select Enabled or Disabled to enable or disable adjacent cache prefetcher.

Adjacent cache prefetcher is also referred to as mid-level cache (MLC) prefetcher. This feature provides system optimization for applications that require high-frequency SAM. You can disable this feature when a large amount of RAM is needed.

Enabled

DCU Streamer Prefetcher

Select Enabled or Disabled to enable or disable data cache unit (DCU) stream prefetcher.

If the DCU stream prefetcher is enabled, the processor improves data processing and system performance by prefetching the stream and sending it to the L1 cache.

Enabled

DCU IP Prefetcher

Select Enabled or Disabled to enable or disable DCU IP prefetcher.

If the DCU IP prefetcher is enabled, the processor prefetches IP addresses to improve network connectivity and system performance.

Enabled

LLC Prefetch

Select Enabled or Disabled to enable or disable the L3 or last level cache (LLC) prefetcher.

Disabled

Homeless Prefetch

Enable or disable the Homeless Prefetch, which allows prefetching missed demands into the intermediate cache when there are not enough resources to track L1 cache demands.

Options:

·     Enabled—Enable Homeless prefetch.

·     Disabled—Disable Homeless prefetch.

·     Auto—Automatic, configured according to hardware.

Auto

Extended APIC

Select Enabled or Disabled to enable or disable the extended APIC mode. If the total number of processor cores exceeds 256, enable this mode as a best practice for the operating system to better support the processor multi-core feature.

Enabled

Enable Intel(R) TXT

Select Enabled or Disabled to enable or disable the support for the Intel trusted execution technology (TXT).

Intel TXT provides comprehensive data security protection in a virtualized computing environment.

NOTE:

To avoid potential security problems, set the debug mode to Disabled before enabling Intel TXT.

Before enabling this feature, make sure you have finished the prerequisites described in Configuring TXT.

Disabled

VMX

This item is configurable only when Enable Intel(R) TXT is set to Disabled.

Select Enabled or Disabled to enable or disable Intel virtual machine extensions (VMX).

VMX improves server hardware resource usage by allowing the virtualization layer or OS that supports VMX to use Intel hardware virtualization capabilities.

For virtualization layers or OSs that do not support VMX, this feature does not take effect even if it is enabled.

Enabled

Enable SMX

This item is unconfigurable when Enable Intel(R) TXT is set to Enabled.

Select Enabled or Disabled to enable or disable the safer mode extensions (SMX).

Disabled

AES-NI

Select Enabled or Disabled to enable or disable the support for Intel Advanced Encryption Standard New Instructions (AES-NI).

AES-NI can promote the encryption and decryption speed for applications.

Enabled

Memory Encryption (TME)

Select Enabled or Disabled to enable or disable memory Encryption.

This feature requires setting the memory mode to 2LM, and the security feature will be activated based on the initialization results.

Disabled

Total Memory Encryption (TME) Bypass

Select whether to enable Total Memory Encryption (TME).

Options:

·     Enabled—Enable TME.

·     Disabled—Disable TME.

·     Auto—Automatic.

Disabled

Total Memory Encryption Multi-Tenant (TME-MT)

Select Enabled or Disabled to enable or disable Total Memory Encryption Multi-Tenant

(TME-MT).

Disabled

Trust Domain Extension (TDX)

Select Enabled or Disabled to enable or disable Trust Domain Extensions (TDX).

Disabled

TDX Secure Arbitration Mode Loader (SEAM Loader)

Select Enabled or Disabled to enable or disable TDX Secure Arbitration Mode Loader (SEAM Loader).

Disabled

PRM Size

Set the Platform Runtime Mechanisms (PRM) size.

N/A

SGX Factory Reset

Select Enabled or Disabled to enable or disable SW Guard Extensions (SGX) factory reset.

Disabled

SW Guard Extensions (SGX)

Select Enabled or Disabled to enable or disable SW Guard Extensions (SGX).

Disabled

SGX PRM Size

Set the SGX Platform Runtime Mechanisms (PRM) size.

N/A

Processor Socket

Displays the slot number for CPU.

Processor ID

Displays the ID for CPU.

Processor Frequency

Displays the base frequency for CPU.

Processor Max Frequency

Displays the maximum rated frequency for CPU.

Processor Min Frequency

Displays the minimum rated frequency for CPU.

Processor TDP

Displays the Thermal Design Power (TDP) for CPU.

Microcode Revision

Displays the microcode version information for CPU.

L1 Cache RAM (Per Core)

Displays the capacity of Level 1 cache

L2 Cache RAM (Per Core)

Displays the capacity of Level 2 cache

L3 Cache RAM (Per Package)

Displays the capacity of Level 3 cache

Processor X Version

Displays CPU X version information. If the CPU is not connected, not present is displayed.

CPU Socket N Configuration

Submenu for configuring processor N, as shown in Figure 31. N represents the processor number. The screen displays only present processors.

The submenu items are described in Table 12.

Available Core Bitmap / Number

Displays the available core bitmap and core quantity.

N/A

Active Core Bitmap / Number

Displays the active core bitmap and core quantity.

Available core quantity = Active core quantity + Disabled core quantity

N/A

Core Disable Number

Select the number of the cores to be disabled. The configuration takes effect after the server starts.

To enable all cores of the processor, set the value to 0.

You can set the Core Disable Number to a number equal to or less than the available core quantity.

For example, if 18 cores are available and 4 cores are disabled, only 14 cores are active.

NOTE:

Generally, the more cores you enable, the better the computing performance. Please be cautious when you disable cores.

0

Numa

Select Enabled or Disabled to enable or disable non-uniform memory access (NUMA).

Under NUMA, a processor can access its own local memory faster than non-local memory.

Enabled

Virtual Numa

Select Enabled or Disabled to enable or disable Virtual NUMA, which divides physical NUMA nodes into evenly distributed virtual nodes in the ACPI table, can improve the performance of more than 64 logical processors on Windows.

Disabled

Uncore General Configuration

Submenu for configuring the Uncore General Settings.

Uncore Status

Displays the Uncore status.

N/A

KTI Prefetch

Select whether to enable KTI prefetch. KTI prefetch enables memory read operations on DDR bus to be carried out earlier.

Options:

·     Auto.

·     Enabled.

·     Disabled.

Auto

SNC

Select whether to enable sub NUMA clustering (SNC). SNC can shorten the delay between the LLC and the memory.

Options:

·     Auto.

·     Disabled.

·     Enable SNC2 (2-clusters)—Enable SNC, support 2 clusters and 2-way IMC.

·     Enable SNC4 (4-clusters)—Enable SNC, support 4 clusters and 1-way IMC.

Disabled

MMIO High Base

Set the MMIOH starting address.

Options:

·     56T

·     40T

·     32T

·     24 T

·     16T

·     4T

·     2T

·     1T

·     512G

·     3584T

32T

MMIO High Granularity Size

Set the allocation unit size of MMIOH for each stack.

Options:

·     1G

·     4G

·     16G

·     64G

·     256G

·     1024G

·     4096G

64G

Number of CPU

Displays the number of CPUs.

Current UPI Link Speed

Displays the link speed of the current UPI.

Current UPI Link Frequency

Displays the link frequency of the current UPI.

Global MMIO Low Base / Limit

Displays the low base/limit of the global MMIO.

Global MMIO High Base / Limit

Displays the high base/limit of the global MMIO.

Pci-e Configuration Base / Size

Displays the base/size of the UPI PCIe configuration.

DDR PPR Type

Set the Post Package Repair type.

Options:

·     Soft PPR (default)—Temporary repair.

·     Hard PPR.—Permanent repair.

·     PPR Disabled—Disable PPR.

Soft PPR

Memory Frequency

Select the maximum memory frequency, in MHz.

Options:

·     Auto.

·     3200.

·     3600

·     4000

·     4400

·     4800

·     5200

·     5600

Auto

DDR 2x Refresh Enable

Select whether to enable two times of memory refresh.

Options:

·     Auto.

·     Enabled.

·     Disabled.

Auto

Memory Topology

Access the submenu that displays memory information, as shown in Figure 37.

The submenu items are described in Table 18.

N/A

Memory RAS Configuration

Access the submenu for configuring memory reliability, availability, and serviceability (RAS) settings, as shown in Figure 38.

The submenu items are described in Table 19.

N/A

DIMM Status: Enabled CPU1_CH1_D0: 4400MT/s Micron DRx8 32GB RDIMM

Display the DIMM status, location, and other information. For example, DIMM Status: Enabled CPU1_CH1_D0: 4400MT/s Micron DRx8 32GB RDIMM, where:

·     DIMM Status: Enabled—DIMM status, which is enabled.

·     CPU1_CH1_D0—DIMM location, which is DIMM slot 0 of channel 1 for CPU1.

·     4400MT/s—DIMM frequency.

·     Micron—DIMM vendor.

·     DRx8—DR stands for the number of ranks. x8 indicates the bit width of a DIMM chip.

·     32GB—Capacity of the DIMM.

·     RDIMM—Type of the DIMM.

Mirror Mode

This item is unconfigurable when UEFI ARM Mirror or ADDDC Sparing is set to Enabled.

Specify a mirror mode.

Options:

·     Disabled—Disables mirror mode.

·     Full Mirror Mode—Sets all 1LM memory to operate in mirror mode, which reduces the available memory capacity by half.

·     Partial Mirror Mode—Enables partial mirror mode. In this mode, you can set the memory size of the mirror.

·     Due to hardware limitations, a segment of address space must be equally divided among the socket, IMC, Channel and rank. Therefore, when all the DIMMs are present, the memory capacity displayed in the POST screen and BIOS Setup utility is greater than half of the total memory capacity in the full mirror mode.

·     Enabling any type of mirror mode will disable XPT prefetch.

Disabled

Partial Mirror X Size(GB)

This item is available only when the Mirror Mode is set to Partial Mirror Mode.

Set the size of the partial mirror.

N/A

ADDDC Sparing

This item is unconfigurable when Mirror Mode is set to Partial Mirror Mode or Full Mirror Mode.

Select Enabled or Disabled to enable or disable adaptive double device data correction (ADDDC) sparing.

ADDDC sparing can correct data errors on two memory chips and is available only for x4 memory.

After modification, you must perform a cold reboot for the new ADDDC Sparing setting to take effect.

NOTE:

For the change to take effect, perform cold reboot.

Disabled

Patrol Scrub

This item enables or disables patrol scrubbing.

·     Disabled—Disables patrol scrubbing.

·     Enable at End of POST—Enables patrol scrubbing after POST.

Patrol scrubbing allows a processor to automatically search for and correct correctable memory errors at regular intervals.

Enable at End of

POST

Patrol Scrub Interval

Set the patrol scrub interval in hours. This item is available only when Patrol Scrub is set to Enabled.

An interval of 0 indicates auto patrol scrubbing.

24

DDR5 ECS

Select Enabled or Disabled to enable or disable DDR5 Error Checking and Scrubbing (ECS) settings.

Enabled

SocketN Configuration

This item is available only when the processor is present.

Display the IIO configuration of processor N.

N/A

Intel® VT for Directed I/O (VT-d)

Displays the configuration menu for Intel® VT.

N/A

IIO-PCIE Express Global Options

PCIe Hot Plug

Select whether to enable or disable PCIe hot plug.

Options:

·     Yes—Enables global PCIe hot plug.

·     No—Disables global PCIe hot plug.

Yes

PCI-E ASPM Support (Global)

Select whether to enable PCIe ASPM globally.

Options:

·     Disabled—Disables PCIe ASPM globally.

·     Per-Port—Controls PCIe ASPM per port.

Disabled

PCIe Max Read Request Size

Set the PCIe maximum read request size.

Options:

·     Auto

·     128B

·     256B

·     512B

·     1024B

·     2048B

·     4096B

4096B

Port DMI

Displays the configuration menu for Port DMI.

DMI is the interface between the CPU and the PCH.

N/A

Slot 16 - Port 1A

Displays the configuration menu for Port 1A.

Slot 16 indicates the slot ID of the device connected to the PCIe slot.

N/A

PCI-E Port

This item is available only for non-DMI PCIe ports.

Select whether to enable the PCIe port.

Options:

·     Auto.

·     Enabled.

·     Disabled.

Auto

Hot Plug Capable

Select whether to enable hot plug.

Options:

·     Auto.

·     Enabled.

·     Disabled.

Auto

Surprise Hot Plug Capable

Select Enabled or Disabled to enable or disable surprise hot plug.

Disabled

PCI-E Port Link Disable

Select whether to enable the PCIe port link.

·     YES—Disables the PCIe port link and link training. The PCIe configuration space is still active.

·     NO—Enables the PCIe port link.

NO

Link Speed

Select a link speed for the PCIe port.

Options:

·     Auto.

·     Gen 1 (2.5 GT/s).

·     Gen 2 (5.0 GT/s).

·     Gen 3 (8.0 GT/s).

·     Gen 4 (16.0 GT/s)

·     Gen 5 (32.0 GT/s)

Auto

Override Max Link Width

Select a maximum link width to be covered.

Options:

·     Auto.

·     x1.

·     x2.

·     x4.

·     x8.

·     x16.

Auto

PCI-E Port Link Status

Displays the PCIe port link status.

N/A

PCI-E Port Link Max

Displays the maximum bandwidth of the PCIe port link.

N/A

PCI-E Port Link Speed

Displays the PCIe port link speed.

N/A

PCI-E Port Max Payload Size

Set the maximum payload size of the PCI-E port.

Options:

·     Auto—Sets the maximum payload size to 256B by default.

Auto

Item

Description

Default

Intel VT for Directed I/O (VT-d)

Select Enabled or Disabled to enable or disable Intel virtualization technology for directed I/O (VT-d).

With this feature enabled, management programs and OSs that support this feature can provide directed I/O with hardware support offered by the Intel virtualization technology. You can enable this feature even if such management programs and OSs are not used.

Intel VT-d enhances system security and reliability, and improves the performance of I/O devices in a virtualized environment.

Enabled

Interrupt Remapping

Select whether to enable interrupt remapping.

Options:

·     Auto.

·     Enabled.

·     Disabled.

Auto

X2APIC Opt-Out

Select Enabled or Disabled to enable or disable X2APIC opt out for VT-d.

Disabled

CPU P State Control

Submenu for configuring CPU P-state control options, as shown in Figure 44.

On the submenu, you can select whether to enable Enhanced Intel SpeedStep Technology (EIST) and turbo mode as described in Table 25.

Hardware PM State Control

Submenu for configuring hardware P-state control options, as shown in Figure 45.

The submenu items are described in Table 26.

CPU C State Control

Submenu for configuring CPU C-state control options, as shown in Figure 46.

On the submenu, you can control the power consumption of CPUs in idle state as described in Table 27.

Package C State Control

Submenu for configuring package C state control options, as shown in Figure 47.

On the submenu, you can set the C2 to C3 state transition timer as described in Table 28.

CPU Thermal Management

Submenu for configuring CPU thermal management options, as shown in Figure 48.

The submenu items are described in Table 29.

CPU-Advanced PM Tuning

Submenu for configuring CPU advanced power management tuning, as shown in Figure 49.

The submenu items are described in Table 30.

Memory Power & Thermal Configuration

Submenu for configuring memory power and thermal, as shown in Figure 51.

The submenu items are described in Table 32.

Intel SST-PP

Availability of this item depends on the processor model.

This item is available only when Dynamic SST-PP is set to Disabled.

Configure static SST-PP.

Options:

·     Auto.

·     Level 0

·     Level 3.

·     Level 4.

Auto

Configure SST-BF

Availability of this item depends on the processor model.

Select whether to enable the BIOS to configure SST-BF settings.

Options:

·     Enabled—Enables the BIOS to configure SST-BF high priority cores.

·     Disabled.

Enabled

SpeedStep (Pstates)

Enhanced Intel SpeedStep Technology (EIST), after enabling this feature, when the system is in idle state, it will automatically adjust the Performance States (P-state), reduce CPU voltage and frequency to decrease power consumption and heat generation.

Options:

·     Enabled: Enable EIST.

·     Disabled: Disable EIST.

Enabled

Config TDP Lock

Select Enabled or Disabled to enable or disable Thermal Design Power (TDP) lock for the processor.

Enabled

EIST PSD Function

Set the method for EIST to automatically adjust processor voltage and core frequency to reduce power consumption and help heat dissipation.

Options:

·     HW_ALL—Specifies all the hardware.

·     SW_ALL—Specifies all the software.

HW_ALL

Boot performance mode

Set the boot performance state for BIOS before the OS takes over.

Options:

·     Max Performance.

·     Max Efficient.

·     Set by Intel Node Manager.

Max Performance

Energy Efficient Turbo

Select Enabled or Disabled to enable or disable energy efficient Turbo mode.

Enabled

Turbo Mode

Select Enabled or Disabled to enable or disable the Turbo mode.

Enabled

CPU Flex Ratio Override

Select Enabled or Disabled to enable or disable setting processor flex ratio.

Enabled

CPU Core Flex Ratio

This item is configurable only when CPU Flex Ratio Override is set to Enabled.

Set the processor core ratio multiplier, in the range of 0 to 100, to limit the maximum operating frequency of a processor. For example, if the multiplier is 32, the maximum operating frequency is 3200 MHz.

If Turbo is disabled, the maximum operating frequency of a processor will not exceed the limit.

23

Hardware P-States

Set the mode for selecting the hardware P-states.

Options:

·     Disabled—Disables the hardware P-state feature.

·     Native Mode—Allows direct register access from the OS for CPU configuration. Both the legacy ACPI table (_pct\pss\ppc) and new ACPI specification (_CPC V2) are supported.

·     Out of Band Mode—Allows only out-of-band management by using BMC. In this mode, you cannot access the hardware P-state register from the OS.

·     Native Mode with No Legacy Support—This mode is the same as the native mode except for support of the new ACPI specification (_CPC V2).

Native Mode

EPP Enable

This item is unconfigurable when Hardware P-States is set to Disabled.

Select Enabled or Disabled to enable or disable ENERGY_PERFORMANCE_PREFERENCE (EPP).

If this feature is disabled, the system uses ENEGY_PERF_BIAS (EPB).

Enabled

EPP Profile

This item is unconfigurable when Hardware P-States is set to Disabled.

Set the EPP mode.

Options:

·     Performance—Provides maximum system performance at the expense of energy efficiency.

·     Balanced Performance—Provides optimum performance with good energy efficiency.

·     Balanced Power—Provides optimum power efficiency with good performance.

·     Power—Provides maximum power efficiency (maximum power saving) at the expense of system performance.

Balanced Performance

Enable Monitor MWAIT

Select Enabled or Disabled to enable or disable Monitor/Mwait instructions.

Selet Auto to set the Monitor/Mwait instructions Automatically.

Enabling Monitor/Mwait instructions optimizes processor instruction execution.

To disable CPU C state, you must also disable Monitor MWAIT for some operating systems.

If Enhanced vMotion Compatibility (EVC) errors occur during VM adding to a cluster or VM service migration, enable this feature.

Enabled

CPU C1 auto demotion

Select whether to enable processors to automatically demote to C1.

Options:

·     Enabled—Enables processors to automatically demote to C1.

·     Disabled—Disables processors from automatically demoting to C1.

Enabled

CPU C1 auto undemotion

Select whether to enable processors to automatically undemote from C1.

Options:

·     Enabled—Enables processors to automatically undemote from C1.

·     Disabled—Disables processors from automatically undemoting from C1.

Enabled

CPU C6 report

Select whether to enable the BIOS to report the C6 state to the operating system.

Options:

·     Enabled—Enables the BIOS to report the C6 state to the operating system.

·     Disabled—Disables the BIOS from reporting the C6 state to the operating system.

·     Auto—Enables the BIOS to report the C6 state to the operating system by default.

Disabled

Enhanced Halt State (C1E)

Select Enabled or Disabled to enable or disable the C1E feature.

C1E feature enables a processor to operate at the minimum performance state in idle time to reduce power consumption.

The C1E configuration takes effect after the server restarts.

Disabled