BIOS Manual Motherboard Intel W790 Series
E21798 First Edition June 2023 Copyright© 2023 ASUSTeK COMPUTER INC. All Rights Reserved. No part of this manual, including the products and software described in it, may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any means, except documentation kept by the purchaser for backup purposes, without the express written permission of ASUSTeK COMPUTER INC. (“ASUS”).
Contents 1. Knowing BIOS................................................................................................ 5 2. BIOS setup program...................................................................................... 6 3. Managing and updating your BIOS.............................................................. 7 4. 3.1 ASUS CrashFree BIOS 3 utility...................................................... 7 3.2 ASUS EzFlash Utility.....................................................
9.1 Processor Configuration............................................................... 64 9.2 Common RefCode Configuration.................................................. 68 9.3 Uncore Configuration.................................................................... 69 9.4 Memory Configuration................................................................... 70 9.5 IIO Configuration........................................................................... 72 10. Monitor menu..............
BIOS Setup 1. Knowing BIOS BIOS (Basic Input and Output System) stores system hardware settings such as storage device configuration, overclocking settings, advanced power management, and boot device configuration that are needed for system startup in the motherboard CMOS. In normal circumstances, the default BIOS settings apply to most conditions to ensure optimal performance.
2. BIOS setup program Use the BIOS Setup to update the BIOS or configure its parameters. The BIOS screen include navigation keys and brief onscreen help to guide you in using the BIOS Setup program. Entering BIOS at startup To enter BIOS Setup at startup, press or during the Power-On Self Test (POST). If you do not press or , POST continues with its routines. Entering BIOS Setup after POST To enter BIOS Setup after POST: • Press ++ simultaneously.
3. Managing and updating your BIOS The following utilities allow you to manage and update the motherboard Basic Input/Output System (BIOS) setup: 1. ASUS CrashFree BIOS 3 To recover the BIOS using a bootable USB flash disk drive when the BIOS file fails or gets corrupted. 2. ASUS EzFlash Updates the BIOS using a USB flash disk. 3.
3.2 ASUS EzFlash Utility The ASUS EzFlash Utility feature allows you to update the BIOS using a USB flash disk without having to use a DOS‑based utility. Download the latest BIOS from the ASUS website at www.asus.com before using this utility. The succeeding BIOS screens are for reference only. The actual BIOS screen displays may not be the same as shown. To update the BIOS using EzFlash Utility: 1. Insert the USB flash disk that contains the latest BIOS file to the USB port. 2.
4. BIOS menu screen Menu items Menu bar Configuration fields General help Navigation keys 4.
4.2 Menu items The highlighted item on the menu bar displays the specific items for that menu. For example, selecting Main shows the Main menu items. The other items on the menu bar have their respective menu items. 4.3 Submenu items A solid triangle before each item on any menu screen means that the item has a submenu. To display the submenu, select the item and press . 4.4 Navigation keys At the bottom right corner of a menu screen are the navigation keys for the BIOS setup program.
5. Main menu The Main menu screen appears when you enter the Advanced Mode of the BIOS Setup program. The Main menu provides you an overview of the basic system information, and allows you to set the system date, time, language, and security settings.
Security The Security menu items allow you to change the system security settings. • If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See the motherboard for information on how to erase the RTC RAM via the Clear CMOS jumper. • The Administrator or User Password items on top of the screen show the default [Not Installed]. After you set a password, these items show [Installed].
User Password If you have set a user password, you must enter the user password for accessing the system. The User Password item on top of the screen shows the default [Not Installed]. After you set a password, this item shows [Installed]. To set a user password: 1. Select the User Password item and press . 2. From the Create New Password box, key in a password, then press . 3. Re-type to confirm the password then select OK. To change a user password: 1.
6. Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to malfunction. The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Scroll down to display other BIOS items. Ai Overclock Tuner [Auto] Loads the optimal settings for the system.
The following item appears only when Ai Overclock Tuner is set to [Manual]. Bclk Frequency Allows you to set the Bclk frequency. Press then enter the frequency you would like to set. Configuration options: [Auto] [40.0000] - [1000.0000] The following item appears only when Ai Overclock Tuner is set to [XMP I] or [XMP II]. XMP Allows you to select your XMP Profile. Each profile has its own DRAM frequency, timing and voltage.
The following item appears only when CPU Core Ratio is set to [By Core Usage]. By Core Usage Turbo Ratio Limit 1-8 User defined Ratio for TurboRatioLimits. Configuration options: [Auto] [26] - [140] Turbo Ratio Cores 1-8 User defined core# for TurboRatioLimits. Configuration options: [Auto] [1] - [20] The following item appears only when CPU Core Ratio is set to [Auto], [Sync All Cores], or [By Core Usage]. Specific Core Core0-19 Specific Ratio Limit Configure a ratio limit for certain CPU Cores.
Performance Core0-19 Offset Configure the CPU core voltage offset value. Use the <+> or <-> to adjust the value. The values range from 0.001 V to 0.999 V with an interval of 0.001 V. Configuration options: [Auto] [0.00100] - [0.99900] You need to save the changes and reset the system for the changes to take effect. CPU SVID Support Disable this item to stop the CPU from communicating with the external voltage regulator.
AVX512 Ratio Offset to per-core Ratio Limit Configuration options: [Auto] [User Specify] The following item appears only when AVX512 Ratio Offset to per-core Ratio Limit is set to [User Specify]. AVX512 Ratio Offset Specifies number of bins to decrease AVX 512 ratio vs. Per-Core Ratio. AVX is a more stressful workload, it is helpful to lower the AVX ratio to ensure maximum possible ratio for SSE workloads. Uses Mailbox MSR 0x150, cmd 0x1B. Range 0-31. 0=No offset. Use the <+> or <-> to adjust the value.
DRAM Command Rate Configuration options: [Auto] [1N] [2N] Secondary Timings Secondry Timings Report This item allows you to view the Secondary Timings Report.
DQ RTT PARK Configuration options: [Auto] [0 DRAM Clock] [34 DRAM Clock] [40 DRAM Clock] [48 DRAM Clock] [60 DRAM Clock] [80 DRAM Clock] [120 DRAM Clock] [240 DRAM Clock] DQ RTT PARK DQS Configuration options: [Auto] [0 DRAM Clock] [34 DRAM Clock] [40 DRAM Clock] [48 DRAM Clock] [60 DRAM Clock] [80 DRAM Clock] [120 DRAM Clock] [240 DRAM Clock] Advanced Dimm ODT Control DRAM RON Configuration options: [Auto] [Manual] The following items appear only when DRAM RON is set to [Manual].
DRAM Ibt CS Configuration options: [Auto] [Manual] The following items appear only when DRAM Ibt CS is set to [Manual]. DRAM Ibt CS A1-2 / DRAM Ibt CS B1-2 / DRAM Ibt CS E1-2 / DRAM Ibt CS F1-2 Configuration options: [Auto] [60 DRAM Clock] [TBT 1] [TBT 2] [0 DRAM Clock] DRAM CS Vref Percent Configuration options: [Auto] [Manual] The following items appear only when DRAM CS Vref Percent is set to [Manual].
EarlyCmdClkTraining Configuration options: [Auto] [Disabled] [Enabled] ReceiveEnableTraining Configuration options: [Auto] [Disabled] [Enabled] ReadDqDqsTraining Configuration options: [Auto] [Disabled] [Enabled] WriteLevelingExtTraining Configuration options: [Auto] [Disabled] [Enabled] WriteLevelingIntTraining Configuration options: [Auto] [Disabled] [Enabled] WriteDqDqsTraining Configuration options: [Auto] [Disabled] [Enabled] LateCmdClkTraining Configuration options: [Auto] [Disabled] [Enabled] ReadAdv
MemInitialization Configuration options: [Auto] [Disabled] [Enabled] DqSwizzlingDiscoveryTest Configuration options: [Auto] [Disabled] [Enabled] NormalModeSwitch Configuration options: [Auto] [Disabled] [Enabled] CmdVrefCenteringTraining Configuration options: [Auto] [Disabled] [Enabled] LrdimmWriteVrefCenteringTraining Configuration options: [Auto] [Disabled] [Enabled] AdvancedMemoryTest Configuration options: [Auto] [Disabled] [Enabled] EarlyCtlClkTraining Configuration options: [Auto] [Disabled] [Enabled
McR0nTraining Configuration options: [Auto] [Disabled] [Enabled] DramR0nTraining Configuration options: [Auto] [Disabled] [Enabled] CaClkTrainingBackSide Configuration options: [Auto] [Disabled] [Enabled] DqSwizzlingDiscoveryX16 Configuration options: [Auto] [Disabled] [Enabled] TcoCompTraining Configuration options: [Auto] [Disabled] [Enabled] TxRiseFallSlewRateTraining Configuration options: [Auto] [Disabled] [Enabled] InitializeMemoryMap Configuration options: [Auto] [Disabled] [Enabled] CmdTxEqTraining
ReadDqDqsPostDfe2DCenteringTraining Configuration options: [Auto] [Disabled] [Enabled] PeriodicTxReTraining Configuration options: [Auto] [Disabled] [Enabled] CaSlewRateTraining Configuration options: [Auto] [Disabled] [Enabled] DcaTcoTraining Configuration options: [Auto] [Disabled] [Enabled] EarlyReqClkTraining Configuration options: [Auto] [Disabled] [Enabled] TurnaroundTraining Configuration options: [Auto] [Disabled] [Enabled] RxDfeDdr5Training Configuration options: [Auto] [Disabled] [Enabled] TxDfeDd
LrdimmBacksideMrdTraining Configuration options: [Auto] [Disabled] [Enabled] LrdimmBacksideMwdTraining Configuration options: [Auto] [Disabled] [Enabled] CteDramInit Configuration options: [Auto] [Disabled] [Enabled] PdaEnumerateId Configuration options: [Auto] [Disabled] [Enabled] memFlowsExt3 RcdDcsDfeTraining Configuration options: [Auto] [Disabled] [Enabled] LrdimmBacksideTxPerTxnTraining Configuration options: [Auto] [Disabled] [Enabled] PatternCheckout Configuration options: [Auto] [Disabled] [Enabled
tRWSG Configuration options: [Auto] [0] - [127] tWRSG Configuration options: [Auto] [0] - [127] tRRSR Configuration options: [Auto] [0] - [31] tWWSR Configuration options: [Auto] [0] - [63] tRWSR Configuration options: [Auto] [0] - [127] tWRSR Configuration options: [Auto] [0] - [127] tRRDR Configuration options: [Auto] [0] - [31] tWWDR Configuration options: [Auto] [0] - [31] tRWDR Configuration options: [Auto] [0] - [63] tWRDR Configuration options: [Auto] [0] - [31] tRRDD Configuration options: [Auto] [0
tCCD_L_tDLLK Configuration options: [Auto] [0] - [15] tCCD Configuration options: [Auto] [1] - [63] tCCD_WR Configuration options: [Auto] [1] - [63] tCCD_L Configuration options: [Auto] [1] - [63] tCCD_WR_L Configuration options: [Auto] [1] - [63] Misc. Attempt Fast Boot [Disabled] Disables this feature. [Enabled] Portions of memory reference code will be skipped when possible to increase boot speed on warm boots. Attempt Fast Cold Boot [Disabled] Disables this feature.
CPU Load-line Calibration The load-line is defined by the Intel VRM specification and affects the level of voltage supplied to the processor. Higher load-line calibration settings result in reduced VDroop at the expense of voltage overshoot and will increase CPU temperatures due to higher voltage under load. Select from level 1 to 8 to adjust the load-line slope. Level 1 = greater VDroop, Level 8 = minimum VDroop.
The following item appears only when CPU VRM Switching Frequency is set to [Manual]. Fixed CPU VRM Switching Frequency(KHz) Allows you to set a higher frequency for a quicker transient response speed. Use the <+> or <-> to adjust the value. The values range from 800 KHz to 1000 KHz with an interval of 50 KHz. Configuration options: [800] - [1000] CPU Power Duty Control CPU power duty control adjusts the duty cycle of each VRM phase based upon current and/or temperature. [Auto] Sets to the default setting.
The following item appears only when FIVRA VRM Switching Frequency is set to [Manual]. Fixed FIVRA VRM Switching Frequency(KHz) Use the <+> or <-> to adjust the value. The values range from 800 KHz to 1000 KHz with an interval of 50 KHz.
Long Duration Package Power Limit An Intel parameter known as [power limit 1] and specified in Watts. The defualt value is defined by TDP of the processor. Increasing the value will allow the Turbo ratio to be maintained for a longer duration under higher current loads. Configuration options: [Auto] [1] - [4095] Package Power Time Window An Intel parameter of [power limit 1] and specified in seconds. The applied value indicates how long the Turbo ratio can be active when TDP is exceeded.
BCLK Amplitude Sets the signal magnitude of the reference PCIE/DMI CLK supplied to the processor. Higher values may improve overclocking stability. Configuration options: [Auto] [800mV] [900mV] BCLK Slew Rate The speed at which the base clock rises or falls. Set a high value for overclocking stability. Configuration options: [Auto] [Slow] [Fast] BCLK Spread Spectrum Configuration options: [Auto] [Disabled] [Enabled] Cold Boot BCLK Frequency Sets the frequency at cold boot.
VCCDDRD Voltage Override DDR digital supply (for MC and DDRIO). Use the <+> and <-> keys to adjust the value. The values range from 0.000V to 2.050V with an interval of 0.001V. Configuration options: [Auto] [0.00000] - [2.05000] VCCDDRA Voltage Override DDR analog supply (for DDRIO only). Use the <+> and <-> keys to adjust the value. The values range from 0.000V to 2.050V with an interval of 0.001V. Configuration options: [Auto] [0.00000] - [2.
Global Core SVID Voltage Configure the global Core Voltage requested by the cores. Result may be influenced by Actual VRM Core Voltage. Configuration options: [Auto] [Manual Mode] [Adaptive Mode] The following item appears only when Global Core SVID Voltage is set to [Manual Mode]. - CPU Core Voltage Override Allows you to configure the global Core Voltage requested by the cores. Result may be influenced by Actual VRM Core Voltage. Use the <+> and <-> keys to adjust the value. The values range from 0.
The following item appears only when Cache SVID Voltage is set to [Adaptive Mode]. - Offset Mode Sign [+] Offset the Cache voltage by a positive value. [-] Offset the Cache voltage by a negative value. - Additional Turbo Mode CPU Core Voltage Allows you to configure the amount of voltage fed to the CPU cores when running in Turbo mode. Increase the voltage when configuring a high CPU core frequency. This voltage will be affected by the offset value. Use the <+> and <-> keys to adjust the value.
The following item appears only when FIVRA 1.8V In is set to [Manual Mode]. - CPU FIVRA Voltage Override Allows you to configure the input voltage for the CPU by the external voltage regulator. Use the <+> and <-> keys to adjust the value. LN2 Disabled: The values range from 0.500V to 2.700V with an interval of 0.010V. LN2 Enabled: The values range from 0.500V to 3.040V with an interval of 0.010V. Configuration options: LN2 Disabled [Auto] [0.50000] - [2.70000] LN2 Enabled [Auto] [0.50000] - [3.
- CPU FAON Voltage Offset Configure the input voltage for the CPU by the external voltage regulator. Use the <+> and <-> keys to adjust the value. The values range from 0.005V to 0.635V with an interval of 0.005V. Configuration options: [Auto] [0.00500] - [0.63500] EHV 1.8V In Configure the VRM output rail for EHV Voltage. Manual mode allows user-defined values. Offset mode modifies values by SVID. Configuration options: [Auto] [Manual Mode] [Offset Mode] The following item appears only when FAON 1.
VNN Main 1.02V In Use the <+> and <-> keys to adjust the value. The values range from 0.800V to 1.500V with an interval of 0.010V. Configuration options: [Auto] [0.80000] - [1.50000] Advanced Memory Voltages VCCD HV 1.14V In / MC Voltage Configure the VRM output rail for VCCD HV Voltage. Manual mode allows userdefined values. Configuration options: [Auto] [Manual Mode] The following item appears only when VCCD HV 1.14V In / MC Voltage is set to [Manual Mode].
DRAM Current Capability Current Capability for the Switching Regulators in Amps. Use the <+> and <-> keys to adjust the value. The values range from 0.125A to 7.875A with an interval of 0.125A. Configuration options: [Auto] [0.12500] - [7.
7. Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Scroll down to display other BIOS items. Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.
7.1 Trusted Computing The items in this menu allow you to configure the Trusted Computing settings. Security Device Support Allows you to enable or disable the BIOS support for security device. O.S. will not show Security Device. TCG EFI protocol and INT1A interface will not be available. Configuration options: [Disabled] [Enabled] • The following items appear only when Security Device Support is set to [Enabled].
Physical Presence Spec Version Select to tell O.S. to support PPI Spec Version 1.2 or 1.3. Configuration options: [1.2] [1.3] Some HCK tests might not support 1.3. Disable Block Sid Override to allow SID authentication of TCG Storage device. Modified value will be applicable only for next boot. Configuration options: [Disabled] [Enabled] 7.2 Redfish Host Interface Settings The items in this menu allow you to configure Redfish Host Interface Settings. Redfish Allows you to enable or disable AMI Redfish.
7.4 Serial Port Console Redirection The items in this menu allow you to configure serial port console redirection settings. COM1 Console Redirection Allows you to enable or disable the console redirection feature. Configuration options: [Disabled] [Enabled] The following item appears only when Console Redirection is set to [Enabled]. Console Redirection Settings These items become configurable only when you enable the Console Redirection item.
Parity A parity bit can be sent with the data bits to detect some transmission errors. [Mark] and [Space] parity do not allow for error detection. They can be used as an additional data bit. [None] None Parity bit is 0 if the num of 1’s in the data bits is even. [Even] [Odd] Parity bit is 0 if num of 1’s in the data bits is odd. [Mark] Parity bit is always 1. [Space] Parity bit is always 0. Stop Bits Stop bits indicate the end of a serial data packet. (A start bit indicates the beginning.
Out-of-Band Mgmt Port Microsoft Windows Emergency Management Services (EMS) allow for remote management of a Windows Server OS through a serial port. Configuration options: [COM1] Terminal Type EMS VT-UTF8 is the preferred terminal type for out-of-band management. The next best choice is VT100+, and then VT100. See above, in Console Redirection Settings page for more help with Terminal Type/Emulation.
7.5 System Storage Configuration for VROC The items in this menu allow you to configure the system storage. The items in this submenu may vary according to your motherboard. Please refer to the BIOS of your motherboard for the actual settings and options. PCIEX16(G5) [Disabled] PCIe slot will not support VROC. [Enabled] Allows PCIe slot to support VROC. • After saving your changes, enter the BIOS setup again and go to Advanced > Intel(R) Virtual RAID on CPU to configure your settings.
7.6 PCI Subsystem Settings The items in this menu allows you to configure PCI, PCI-X, and PCI Express Settings. Above 4G Decoding Allows you to enable or disable 64-bit capable devices to be decoded in above 4G address space. It only works if the system supports 64-bit PCI decoding. Configuration options: [Disabled] [Enabled] • Only enabled under 64bit operating system. • The following item appears only when Above 4G Decoding is set to [Enabled].
7.7 USB Configuration The items in this menu allow you to change the USB-related features. XHCI Hand-off This is a workaround for OSes without XHCI hand-off support. The XHCI ownership change should be claimed by XHCI driver. Support XHCI by XHCI drivers for operating systems with XHCI support. [Disabled] [Enabled] Support XHCI by BIOS for operating systems without XHCI support. USB Keyboard and Mouse Simulator Enable this item to simulate USB keyboard and mouse to PS/2 module in Windows 7.
7.8 Network Stack Configuration The items in this menu allow you to change the Network Stack Configuration. Network stack Configuration options: [Disable] [Enable] The following items appear only when Network Stack is set to [Enabled]. Ipv4/Ipv6 PXE Support Allows you to enable or disable the Ipv4/Ipv6 PXE wake event. Configuration options: [Disabled] [Enabled] 7.9 NVMe Configuration This menu displays the NVMe controller and Drive information of the connected devices.
7.10 HDD/SSD SMART Information The items in this menu allow you to view the SMART information for connected storage devices. The options displayed in this menu may vary depending on the devices connected to your motherboard. Please refer to the BIOS of your motherboard for the actual settings and options. NVM Express devices do not support SMART information. 7.11 CPU Configuration The items in this menu allow you to configure the CPU Configuration Parameters.
Hardware P-States Allows you to switch between Hardware P-States mode. [Disable] Hardware chooses a P-state based on OS Request (Legacy P-States). [Native Mode] Hardware chooses a P-state based on OS guidance. [Out of Band Mode] Hardware autonomously chooses a P-state (no OS guidance). [Native Mode with no Hardware chooses a P-state based on OS guidance (without Legacy Support] Legacy support). When HWP mode is set to [Disabled] or [Out of Band Mode], Dynamic SST-PP, SST-BF and SST-CP will be disabled.
AVX License Pre-Grant Override Enables AVX ICCP pre-grant level override. Configuration options: [Disabled] [Enabled] The following item appears only when AVX License Pre-Grant Override is set to [Enabled]. AVX ICCP pre-grant level Pre-grants an AVX level to the core. Base frequency is not updated. Configuration options: [128 Heavy] [256 Light] [256 Heavy] [512 Light] [512 Heavy] AVX P1 AVX P1 level selection.
Core0-19 Check to disable Core0-19 Configuration options: [Enabled] [Disabled] CPU Thermal Management PROCHOT Modes When a processor thermal sensor trips (either core), the PROCHOT# will be driven. Configuration options: [Disabled] [Input-only] Thermal Monitor Allows you to enable or disable Thermal Monitor. Configuration options: [Disabled] [Enabled] The following item appears only when Thermal Monitor is set to [Enabled].
ErP Ready Allows you to switch off some power at S4+S5 or S5 to get the system ready for ErP requirement. When set to [Enabled], all other PME options are switched off. RGB LEDs and RGB/Addressable RGB Headers will also be disabled. Configuration options: [Disabled] [Enabled (S4+S5)] [Enabled (S5)] Power On By PCI-E Allows you to enable or disable the Wake-on-LAN function of the onboard LAN controller or other installed PCI-E LAN cards.
7.13 Onboard Devices Configuration The items in this menu allow you to change the onboard devices settings. Scroll down to view the other BIOS items. The items in this submenu may vary according to your motherboard. Please refer to the BIOS of your motherboard for the actual settings and options. HD Audio Control detection of HD-Audio device. HDA will be unconditionally disabled. [Disabled] [Enabled] HDA will be unconditionally enabled.
Serial Port Configuration This submenu allows you to set parameters for Serial Port. This item functions only if there is a serial port (COM) connector on the motherboard. Serial Port Configuration options: [Disabled] [Enabled] The following item appears only when Serial Port is set to [Enabled]. Change settings Allows you to select an optimal setting for super IO device. Configuration options: [Auto] [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3] [IO=3E8h; IRQ=4] [IO=2E8h; IRQ=3] 7.
7.15 Intel(R) Virtual RAID on CPU The items in this menu allow you manage Intel(R) Virtual RAID on CPU. 7.16 • The settings and options of this menu may vary depending on the storage devices connected. Please refer to the BIOS of your motherboard for the actual settings and options. • Ensure to set the System Storage Configuration settings before using Intel(R) Virtual RAID on CPU to create a RAID set.
8. Platform Configuration menu The Platform Configuration menu items allow you to change the platform settings.
8.1 PCH Configuration The settings and options of this menu may vary depending on your motherboard. Please refer to the BIOS of your motherboard for the actual settings and options. PCI Express Configuration This option allows you to make PCI Express Configuration settings. SlimSAS Link Speed Allows you to configure the PCIe Speed. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] M.2 Link Speed Allows you to configure the PCIe Speed.
SATA6G Hot Plug Allows you to designate this port as Hot Pluggable. Configuration options: [Disabled] [Enabled] Spin Up Device If enabled for any of the ports Staggered Spin Up will be performed and only the drives which have this option enabled will spin up at boot. Otherwise all drives spin up at boot. Configuration options: [Disabled] [Enabled] IEH Mode Allows you to enable or bypass IEH mode.
8.3 Runtime Error Logging System Errors Allows you to enable or disable System Errors setup options. Configuration options: [Disable] [Enable] [Auto] The following items are only available when System Errors is set to [Enable] or [Auto]. Whea Settings Whea Support Allows you to enable or disable Whea support.
9. Socket Configuration menu The Socket Configuration menu items allow you to change the socket settings.
9.1 Processor Configuration Scroll using the / keys to view more items. Skip Flex Ratio Override Allows you to skip Flex Ratio Overrides power-on default Flex Ratio values. In multi-socket systems, this will allow mixed flex ratio limits. Configuration options: [Disabled] [Enable] Check CPU BIST Result When enabled, this item disables failed BIST core. Otherwise, it ignores BIST result.
L2 RFO Prefetch Disable Allows you to enable or disable L2 RFO prefetcher (MSR 6Dh Bit[35]). Configuration options: [Disabled] [Enable] Adjacent Cache Prefetch Allows you to enable or disable MLC spatial prefetcher (MSR 1A4h Bit[1]). Configuration options: [Enable] [Disabled] DCU Streamer Prefetcher Allows you to enable or disable DCU streamer prefetcher, which is a L1 data cache prefetcher (MSR 1A4h Bit[2]).
The following items appear only when PECI Trust Mode is set to [Use per-PECI agent trust mode]. Legacy Agent Allows you to enable or disable the legacy PECI agent in trust bit enable. Configuration options: [Disabled] [Enable] SMBus Agent Allows you to enable or disable the SMBus PECI agent in trust bit enable. Configuration options: [Disabled] [Enable] IE Agent Allows you to enable or disable the IE PECI agent in trust bit enable.
SMBus Error Recovery Allows you to enable or disable SMBus Error Recovery. Configuration options: [Disabled] [Enable] VMX Allows you to enable or disable Vanderpool Technology. Changes take effect only after reboot. Configuration options: [Disabled] [Enable] Enable SMX Allows you to enable or disable Safer Mode Extensions. Configuration options: [Disabled] [Enable] Lock Chipset Allows you to lock or unlock the chipset.
Memory integrity Allows you to enable or disable memory Integrity globally. This knob has no action when TDX is enabled in SPR. Configuration options: [Disabled] [Enabled] PSMI Configuration Global PSMI Enable Configuration options: [Disabled] [Enable] [Force setup] The following items appear only when Global PSMI Enable is set to [Enable], or [Force Setup].
9.3 Uncore Configuration Displays and provides option to change the Uncore Settings. Uncore General Configuration Displays and provides option to change the Uncore General Settings. Uncore Status Displays uncore status MMCFG Base Allows you to select the MMCFG base. Selecting [Auto] will decide based on Si Compatibility. Configuration options: [1G] [1.5G] [1.75G] [2G] [2.25G] [3G] [Auto] MMCFG Size Allows you to select the MMCFG size. Selecting [Auto] will decide based on Si Compatibility.
9.4 Memory Configuration The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Sockets in parallel Allows you to set how many sockets are executing at any time. All sockets operate in parallel. [ALL] [1] At any one time, only one socket is executing. [2] At any one time, only two sockets are executing. At any one time, only four sockets are executing. [4] Data Scrambling for DDR4/5 [Disabled] [Enable] Disables this feature.
Correctable Error Threshold Correctable Error Threshold (0x01 - 0x7fff) used for sparing and leaky bucket. Configuration options: [0] - [7FFF] Trigger SW Error Threshold Allows you to enable to disable sparing trigger DDR SW error match threshold. Configuration options: [Disabled] [Enabled] Leaky bucket time window based interface Allows you to enable to disable leaky bucket time window based interface for DDR.
Patrol Scrub Interval Select the number of hours (1-24) required to complete full scrub. A value of zero means auto! Configuration options: [0] - [24] DDR5 ECS Allows you to enable to disable DDR5 Error Check and Scrub (ECS). Configuration options: [Disabled] [Enabled] 9.5 IIO Configuration Displays and provides option to change the IIO Settings. Socket0 Configuration Port DMI / PCIEX16(G5) Link Speed Choose Link Speed for this PCIe port. Configuration options: [Auto] [Gen 1 (2.
10. Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. Scroll down to display the other BIOS items. The settings and options of this menu may vary depending on your motherboard. Please refer to the BIOS of your motherboard for the actual settings and options.
Voltage Monitor CPU Core Voltage, 12V Voltage, 5V Voltage, 3.3V Voltage, VCCD HV 1.14V In / MC Voltage [x.xxx V] The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Select [Ignore] if you do not want to detect this item. Q-Fan Configuration For BMC models (such as Pro WS W790E-SAGE SE), Q-Fan Configuration will only appear when the BMC_SW is set to disabled.
The following items appear only when CPU Fan Profile is set to [Standard], [Silent], [Turbo], or [Manual]. CPU Fan Step Up Step up allows you to adjust the time delay before the fan rotation speed increases (level 0 is an instantaneous change in speed). The higher the level, the slower the change in speed, and may also result in less noise, but this will also cause slower heat dissipation.
CPU Fan Point2 Temperature When the temperature source is lower than the temperature of P2, the duty cycle will be determined according to the P1-P2 and the temperature source. When the temperature source is higher than the temperature of P2, the fan will operate at the duty cycle of P2-P3. Use the <+> or <-> keys to adjust the temperature.
Chassis Fan Step Up Step up allows you to adjust the time delay before the fan rotation speed increases (level 0 is an instantaneous change in speed). The higher the level, the slower the change in speed, and may also result in less noise, but this will also cause slower heat dissipation.
Chassis Fan Point1 Duty Cycle (%) When the temperature source is lower than the temperature of P1, the fan will operate at the duty cycle of P1. When the temperature source is higher than the temperature of P1, the duty cycle will be determined according to P1-P2 and the temperature source. Use the <+> or <-> keys to adjust the fan/pump duty cycle. Allow Fan Stop This function allows the fan to run at 0% duty cycle when the temperature of the source is dropped below the lower temperature.
The following items appear only when Water Pump+ Profile is set to [Manual]. Water Pump+ Point4 Temperature When the temperature source is lower than the temperature of P4, the duty cycle will be determined according to the P3-P4 and the temperature source. When the temperature source is higher than the temperature of P4, the fan will operate at the duty cycle of P4. Use the <+> or <-> keys to adjust the temperature.
Chassis Intrusion Detection Support Set this item to [Enabled] to enable the chassis intrusion detection function. Configuration options: [Enabled] [Disabled] CPU Temperature LED Switch Set this item to [Enabled] and the CPU_LED will light up to indicate high CPU temperature.
11. Boot menu The Boot menu items allow you to change the system boot options. Secure Boot Allows you to configure the Windows® Secure Boot settings and manage its keys to protect the system from unauthorized access and malwares during POST. OS Type [Windows UEFI Mode] This item allows you to select your installed operating system. Execute the Microsoft® Secure Boot check. Only select this option when booting on Windows® UEFI mode or other Microsoft® Secure Boot compliant OS.
The following item appears only when Secure Boot Mode is set to [Custom]. Key Management Install Default Secure Boot keys Allows you to immediately load the default Security Boot keys, Platform key (PK), Keyexchange Key (KEK), Signature database (db), and Revoked Signatures (dbx). When the default Secure boot keys are loaded, the PK state will change from Unloaded mode to loaded mode. Clear Secure Boot keys This item appears only when you load the default Secure Boot keys.
Delete key Allows you to delete the KEK from your system. Configuration options: [Yes] [No] The KEK file must be formatted as a UEFI variable structure with time-based authenticated variable. DB Management The db (Authorized Signature database) lists the signers or images of UEFI applications, operating system loaders, and UEFI drivers that you can load on the single computer. Save to file Allows you to save the db to a USB storage device.
The following item appears only when Fast Boot is set to [Enabled]. Next Boot after AC Power Loss [Normal Boot] Returns to normal boot on the next boot after an AC power loss. [Fast Boot] Accelerates the boot speed on the next boot after an AC power loss. Boot Logo Display [Auto] Automatically adjust the boot logo size for Windows requirements. [Full Screen] Maximize the boot logo size. [Disabled] Hide the logo during POST.
The following item appears only when Boot Sector (MBR/GPT) Recovery Policy is set to [Local User Control]. Next Boot Recovery Action Choose the (MBR/GPT) recovery action on the next boot. Configuration options: [Skip] [Recovery] Boot Option Priorities These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system.
12. Tool menu The Tool menu items allow you to configure options for special functions. Select an item then press to display the submenu. BIOS Image Rollback Support [Enabled] Support roll back your BIOS to a previous version, but this setting violates the NIST SP 800-147 requirement. [Disabled] Only support updating your BIOS to a newer version, and this setting meets the NIST SP 800-147 requirement.
12.1 ASUS User Profile This item allows you to store or load multiple BIOS settings. Load from Profile Allows you to load the previous BIOS settings saved in the BIOS Flash. Key in the profile number that saved your BIOS settings, press , and then select Yes. • DO NOT shut down or reset the system while updating the BIOS to prevent the system boot failure! • We recommend that you update the BIOS file only coming from the same memory/ CPU configuration and BIOS version.
12.2 ASUS SPD Information This item allows you to view the DRAM SPD information. 12.3 ASUS Armoury Crate This item allows you to enable or disable downloading and installing of the Armoury Crate app in the Windows® OS. The Armoury Crate app can help you manage and download the latest drivers and utilities for your motherboard.
13. Server Mgmt menu The Server Mgmt menu items allow you to configure Server management settings. OS Watchdog Timer When this option is set to [Enabled] it starts a BIOS timer which can only be shut off by Management Software after the OS loads. Helps determine if the OS successfully loaded or follows the OS Boot Watchdog Timer policy. Configuration options: [Enabled] [Disabled] The following items appear only when OS Watchdog Timer is set to [Enabled].
MLED light Synchronizing Allows you to synchronize the message LED light with the left RJ45 LED of the IPMI Expansion card. Configuration options: [Disabled] [Enabled] BMC_LED light synchronizing Allows you to synchronize the BMC LED light with the right RJ45 LED of the IPMI Expansion card. Configuration options: [Disabled] [Enabled] 13.1 System Event Log Allows you to change the SEL event log configuration. All values changed here do not take effect until computer is restarted.
13.2 BMC network configuration The sub-items in this configuration allow you to configure the BMC network parameters. Configure IPV4 support LAN channel 1 Configuration Address source This item allows you to configure LAN channel parameters statistically or dynamically (by BIOS or BMC). [Unspecified] option will not modify any BMC network parameters during BIOS phase.
Configure IPV6 support LAN channel 1 IPV6 support Allows you to enable or disable IPV6 support. Configuration options: [Enabled] [Disabled] The following items appear only when IPV6 support is set to [Enabled]. Configuration Address source Allows you to set the LAN channel parameters statically or dynamically (by BIOS or by BMC). [Unspecified] option will not modify any BMC network parameters during BIOS phase.
13.3 View System Event Log This item allows you to view the system event log records.
14. Exit menu The Exit menu items allow you to load the optimal default values for the BIOS items, and save or discard your changes to the BIOS items. You can access the EZ Mode from the Exit menu. Save Changes Save changes done so far to any of the setup options. Discard Changes Discard changes done so far to any of the setup options. Load Optimized Defaults Restores/loads the default values for all the setup options. When you select this option or if you press , a confirmation window appears.
