BIOS Manual Motherboard ROG CROSSHAIR X670E Series
E20466 First Edition October 2022 Copyright© 2022 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................................................................................................ 4 2. BIOS setup program...................................................................................... 5 2.1 Advanced Mode.............................................................................. 6 2.2 EZ Mode......................................................................................... 9 2.3 Qfan Control......................................................
BIOS Setup 1. Knowing BIOS The new ASUS UEFI BIOS is a Unified Extensible Interface that complies with UEFI architecture, offering a user-friendly interface that goes beyond the traditional keyboardonly BIOS controls to enable a more flexible and convenient mouse input. You can easily navigate the new UEFI BIOS with the same smoothness as your operating system. The term “BIOS” in this user manual refers to “UEFI BIOS” unless otherwise specified.
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.
2.1 Advanced Mode The Advanced Mode provides advanced options for experienced end-users to configure the BIOS settings. The figure below shows an example of the Advanced Mode. Refer to the following sections for the detailed configurations. The default screen for entering the BIOS setup program can be changed. Refer to the Setup Mode item in section Boot menu for details.
Menu bar The menu bar on top of the screen has the following main items: My Favorites For saving the frequently-used system settings and configuration. Main For changing the basic system configuration Extreme Tweaker For changing the overclocking settings Advanced For changing the advanced system settings Monitor For displaying the system temperature, power status, and changing the fan settings.
AI OC Guide This button above the menu bar allows you to view the descriptions of AI overclocking and enable it. You may also access this item by pressing the key on the keyboard. • Refer to section AI OC Guide for more information. • This function is only enabled when using an unlocked CPU. Search This button allows you to search for BIOS items by entering its name, enter the item name to find the related item listing. You may also access this item by pressing the key on the keyboard.
2.2 EZ Mode The EZ Mode provides you an overview of the basic system information, and allows you to select the display language, system performance, mode and boot device priority. To access the Advanced Mode, select Advanced Mode(F7) or press the hotkey for the advanced BIOS settings. To switch from Advanced Mode to EZ Mode, click EZ Mode(F7) or press the hotkey.
2.3 Qfan Control The Qfan Control allows you to set a fan profile or manually configure the operating speed of your CPU and chassis fans.
Configuring fans manually Select Manual from the list of profiles to manually configure your fans’ operating speed. Speed points Select to manually configure your fans To configure your fans: 1. Select the fan that you want to configure and to view its current status. 2. Click and drag the speed points to adjust the fans’ operating speed. 3. Click Apply to save the changes then click Exit (ESC).
2.4 AI OC Guide • The screenshot shown in this section is for reference purposes only, and may not exactly match what you see on your screen. • This function is only enabled when using an unlocked CPU. The AI OC Guide allows you to enable the Ai Overclocking feature, or view a quick guide of the Ai Overclocking feature which highlights the recommended setup procedure and descriptions of the AI Overclocking. Clicking on Enable AI will enable AI Overclocking.
3. My Favorites My Favorites is your personal space where you can easily save and access your favorite BIOS items. You can personalize this screen by adding or removing items.
Adding items to My Favorites To add BIOS items: 1. Press on your keyboard or click MyFavorite from the BIOS screen to open Setup Tree Map screen. 2. On the Setup Tree Map screen, select the BIOS items that you want to save in My Favorites screen. Main menu panel Selected shortcut items Submenu panel Delete all favorite items Recover to default favorite items 3. Select an item from main menu panel, then click the submenu that you want to save or press on your keyboard.
4. 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 header or button. • 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].
5. Extreme Tweaker menu The Extreme 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 items appear only when Ai Overclock Tuner is set to [Manual], [AEMP] or [EXPO I], [EXPO II], or [AEMP]. eCLK Mode Configuration options: [Auto] [Synchronous mode] [Asynchronous mode] BCLK1 Frequency Allows you to set the BCLK (base clock) frequency to enhance the system performance. Use the <+> or <-> to adjust the value. • We recommend you to set the value based on the CPU specification, as high BCLK frequencies may damage the CPU permanently.
FCLK Frequency Configuration options: [Auto] [800MHz] - [3000MHz] Core Performance Boost Automatically overclocks the CPU and DRAM to enhance system performance. Configuration options: [Auto] [Enabled] [Disabled] CPU Core Ratio Configuration options: [Auto] [CPU Core Ratio] [AI Optimized] The following item appears only when CPU Core Ratio is set to [CPU Core Ratio]. CPU Core Ratio Use the <+> or <-> to adjust the value. The values range from 80.0 to 100.0 with an interval of 0.25.
Calibrated Temperature Threshold to switch back Set this threshold to control when the CPU returns to default mode. When CPU Calibrated Temperature is bigger than this threshold, CPU returns to default. Likewise, when temperature is smaller than this threshold AND current is bigger than Current Threshold, CPU slips into OC Mode. In Celsius Unit. Configuration options: [Auto] [0] - [140] Hysteresis Higher numbers increase the time required to persist in state when crossing thresholds before switching.
DRAM RAS# to RAS# Delay L Configuration options: [Auto] [1] - [31] DRAM RAS# to RAS# Delay S Configuration options: [Auto] [1] - [31] Tfaw Configuration options: [Auto] [1] - [127] DRAM WRITE to READ Delay L Configuration options: [Auto] [1] - [127] DRAM WRITE to READ Delay S Configuration options: [Auto] [1] - [31] TrdrdScl Configuration options: [Auto] [1] - [15] TrdrdSc Configuration options: [Auto] [1] - [15] TrdrdSd Configuration options: [Auto] [1] - [15] Trdrddd Configuration options: [Auto] [1] - [1
DRAM Data Drive Strength Configuration options: [Auto] [48 ohm] [40 ohm] [34 ohm] Rtt Nom Wr Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] Rtt Nom Rd Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] Rtt Wr Configuration options: [Auto] [RTT_OFF] [RZQ (240)] [RZQ/2 (120)] [RZQ/3 (80)] [RZQ/4 (60)] [RZQ/5 (48)] [RZQ/6 (40)] [RZQ/7 (34)] Rtt Park
TDC Limit TDC Limit [A], Board thermally constrained current delivery capacity, adjustable up to motherboard’s programmed board TDC limit. Configuration options: [Auto] [0] - [65535] EDC Limit EDC Limit [A], Board electrically constrained current delivery capacity, adjustable up to motherboard’s programmed board EDC limit. Configuration options: [Auto] [0] - [65535] Precision Boost Overdrive Scalar [Auto] [Manual] Part runs with a scalar of 1X, i.e. normal operation.
The following item appears only when Platform Thermal Throttle Limit is set to [Manual]. Platform Thermal Throttle Limit Configuration options: [0] - [256] Curve Optimizer Curve Optimizer Allows the user to shift the Voltage / Frequency (AVFS) curve to include higher voltages (positive values) or lower voltages (negative values). The larger the value entered the larger the magnitude of the voltage shift.
GFX Curve Optimizer Magnitude Determines the magnitude of the GFX curve shift to be made (entered in whole numbers) the larger the value entered the larger the magnitude of the shift. Field defaults to 0 and the user can enter whole integer numbers. Value entered, combined with the sign above, is used to send the SMU and GFX Curve Optimizer.
The following item appears only when Voltage Floor Mode is set to [Static]. Voltage Floor Boosts output to keep voltage above this level, efficacy up to 0.3v. Use the <+> or <-> to adjust the value. The values range from 0.000V to 1.700V with an interval of 0.00625V. Configuration options: [Auto] [0.00000] - [1.70000] The following items appear only when Voltage Floor Mode is set to [Dynamic].
The following items appear only when Voltage Floor Mode is set to [Dynamic]. Ceiling Low VMax The lowest maximum voltage point that maps to Ceiling Hot Temp should the processor temperature move to hotter or equal to Ceiling Hot Temp. Use the <+> or <-> to adjust the value. The values range from 0.000V to 3.000V with an interval of 0.00625V. [Auto] is 1.20V. Configuration options: [Auto] [0.00000] - [3.
The following item appears only when CPU VRM Switching Frequency is set to [Manual]. Fixed CPU VRM Switching Frequency(KHz) The switching frequency will affect the VRM transient response speed and the component thermal production. Allows you to set a higher frequency for a quicker transient response speed. The values range from 250 KHz to 800 KHz with an interval of 50 KHz. CPU Power Duty Control CPU power duty control adjusts the duty cycle of each VRM phase based upon current and/or temperature. [T.
The following item appears only when VDDSOC Switching Frequency is set to [Manual]. Fixed VDDSOC VRM Switching Frequency(KHz) The switching frequency will affect the VDDSOC transient response speed and the component thermal production. Allows you to set a higher frequency for a quicker transient response speed. The values range from 400 KHz to 700 KHz with an interval of 100 KHz.
Performance Bias Different Values may help different Software’s performance. Configuration options: [Auto] [None] [CB R23] [GB3] Tweaker’s Paradise Clock Spread Spectrum Configuration options: [Auto] [Enabled] [Disabled] BCLK1 Amplitude Sets the signal magnitude of the reference BCLK1 supplied to the processor. Higher values may improve overclocking stability. Configuration options: [Auto] [800mV] [900mV] BCLK1 Slew Rate The speed at which the base clock rises or falls.
R1-3 Configuration options: [Auto] [0] - [255] Sense MI Skew 1-4 Configuration options: [Auto] [Disabled] [Enabled] Sense MI Skew 1-4 Use the <+> or <-> to adjust the value. The values range from 0.000 to 2.800 with an interval of 0.00625V Configuration options: [Auto] [0.0000] - [2.80000] Raise RComp Configuration options: [Auto] [Disabled] [Enabled] Core Flex Customize your own algorithms to adjust boosting behavior for more optimized power efficiency, temperatures, and performance.
Level 1 Action Value Set the value for Action to take when condition lies below the first boundary. Power in Watt, Temperature in degrees Celsius, Current is in Ampere, and BCLK is in MHz. Configuration options: [Auto] [0] - [65000] Level 2 Action Value Set the value for Action to take when condition lies between the first boundary and second boundary. Power in Watt, Temperature in degrees Celsius, Current is in Ampere, and BCLK is in MHz.
The following item appears only when CPU Core Voltage is set to [Manual Mode]. CPU Core 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. The values range from 0.625V to 1.700V with an interval of 0.005V. Configuration options: [Auto] [0.62500] - [1.70000] The following items appear only when CPU Core Voltage is set to [Offset Mode].
The following item appears only when CPU VDDIO / MC Voltage is set to [Manual Mode]. VDDIO Override Use the <+> or <-> to adjust the value. The values range from 0.6240V to 1.7004V with an interval of 0.0039V. Configuration options: [Auto] [0.62400] - [1.70040] Misc Voltage Configuration options: [Auto] [Manual Mode] [Offset Mode] The following items appear only when Misc Voltage is set to [Manual Mode]. Misc Voltage Override Use the <+> or <-> to adjust the value. The values range from 0.625V to 1.
Advanced Memory Voltages PMIC Voltages Configuration options: [Auto] [Sync All PMICs] The following items appear only when PMIC Voltages is set to [Sync All PMICs]. SPD HUB VLDO (1.8V) Allows you to set the main power for the SPD Hub Logic. Default set to 1.8V. Use the <+> or <-> to adjust the value. The values range from 1.700V to 2.000V with an interval of 0.100V. Configuration options: [Auto] [1.70000] - [2.00000] SPD HUB VDDIO (1.0V) Allows you to set the main power for the SPD Hub side-band interface.
6. 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.
6.1 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: [Disable] [Enable] The following items appear only when Security Device Support is set to [Enable]. SHA256 PCR Bank Allows you to enable or disable the SHA256 PCR Bank.
Physical Presence Spec Version Allows you to select to Tell O.S. to support PPI Version 1.2 or 1.3. Configuration options: [1.2] [1.3] Some HCK tests might not support 1.3. Disable Block Sid Allows you to override to allow SID authentication in TCG Storage device. Configuration options: [Enabled] [Disabled] 6.2 AMD fTPM configuration The items in this menu show the AMD fTPM configuration options. Firmware TPM switch Allows you to enable or disable Firmware TPM.
6.3 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. Scroll down to display other BIOS items. The items in this menu may vary based on the CPU installed. PSS Support Allows you to enable or disable the generation of ACPI_PPC, and _PCT objects. Configuration options: [Disabled] [Enabled] NX Mode Allows you enable or disable No-execute page protection Function.
6.4 PCI Subsystem Settings The items in this menu allow you to configure PCI, PCI-X, and PCI Express settings. Above 4G Decoding Allows you to enable or disable 64bit capable Devices to be Decoded in Above 4G Address Space (Only if 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].
6.5 USB Configuration The items in this menu allow you to change the USB-related features. The Mass Storage Devices item shows the auto-detected values. If no USB device is detected, the item shows None. Legacy USB Support [Enabled] Your system supports the USB devices in legacy operating systems. [Disabled] Your USB devices can be used for BIOS setup only and cannot be recognized in the boot devices list. [Auto] Your system automatically detects the presence of USB devices at startup.
USB Single Port Control Allows you to enable or disable the individual USB ports. Refer to section Motherboard layout and Rear I/O connection in your motherboard’s user manual for the location of the USB ports. 6.6 Network Stack Configuration The items in this menu allow you to change the Network Stack Configuration. Network stack Configuration options: [Disabled] [Enabled] The following items appear only when Network Stack is set to [Enabled].
6.8 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.
6.9 SATA Configuration While entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show Empty if no SATA device is installed to the corresponding SATA port. 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. SATA Controller(s) Allows you to enable or disable the SATA Device.
The following items appear only when SATA Mode is set to [AHCI]. SATA6G Allows you to enable or disable the selected SATA port. Configuration options: [Disabled] [Enabled] SATA6G Hot Plug Designates this port as Hot Pluggable. Configuration options: [Disabled] [Enabled] 6.10 APM Configuration The items in this menu allow you to change the advanced power management settings. Restore AC Power Loss Allows your system to go to ON state, OFF state, or both states after an AC power loss.
Power On By RTC Allows you to enable or disable the RTC (Real-Time Clock) to generate a wake event and configure the RTC alarm date. When enabled, you can set the days, hours, minutes, or seconds to schedule an RTC alarm date. Configuration options: [Disabled] [Enabled] 6.11 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 settings and options of this menu may vary depending on your motherboard.
PCIEX16_2 Bandwidth Bifurcation Configuration [PCIE X8 Mode] Switch PCIEX16_2 to x8. [PCIE RAID Mode] Up to 2 SSDs installed onto the Hyper M.2 X16 Series card can be detected. Use [PCIE RAID Mode] when installing the Hyper M.2 X16 series card or other M.2 adapter cards. Installing other devices may result in a boot-up failure. The number of SSDs supported varies with the PCIe bifurcation abilities enabled by each processor.
Intel LAN Controller Configuration options: [Disabled] [Enabled] 10G LAN Card Configuration options: [Disabled] [Enabled] USB power delivery in Soft Off state (S5) Allows you to enable or disable USB power when your PC is in the S5 state. Configuration options: [Disabled] [Enabled] U32G2_C3 Type C Power Mode [Auto] Power will be provided to USB 3.2 Gen 2 Type-C ports automatically when a device is detected. [Enable] Power will always be on for USB 3.2 Gen 2 Type-C ports.
6.12 NB Configuration The items in this menu allow you to change the NB Configurations. Primary Video Device Allows you to select Primary Video Device BIOS will use for output. Configuration options: [IGFX Video] [PCIE Video] UMA Frame Buffer Size Allows you to set the UMA FB Size. Configuration options: [Auto] [64M] [80M] [96M] [128M] [256M] [384M] [512M] [768M] [1G] [2G] [3G] [4G] [8G] 6.13 AMD CBS The items in this menu shows the AMD Common BIOS Specifications.
SMT Control Can be used to disable symmetric multithreading. To re-enable SMT, a POWER CYCLE is needed after setting this item to [Auto].
Opcache Control Configuration options: [Disabled] [Enabled] [Auto] Streaming Stores Control Configuration options: [Disabled] [Enabled] [Auto] Local APIC MOde Allows you to select local APIC operation modes. Configuration options: [Compatibility] [xAPIC] [x2APIC] [Auto] ACPI _CST C1 Declaration Determines whether or not to declare the C1 state to the OS.
SNP Memory (RMP Table) Coverage When this item is set to [Enabled], the ENTIE system memory is covered. Configuration options: [Disabled] [Enabled] [Custom] [Auto] The following item appears only when SNP Memory (RMP Table) Coverage is set to [Custom]. Amount of Memory to Cover Specify MB of System Memory to be covered in Hex. Configuration options: [0] - [100000] SMEE Control secure memory enryption enable.
Disable DF sync flood propagation Disables propagation from PIE to other DF components and eventually to SDP ports. Configuration options: [Sync flood disabled] [Sync flood enabled] [Auto] Freeze DF module queues on error This item allows you to enable or disable freezing of all DF queues on error and also forces a sync flood on HWA even if MCAs are disabled.
The following item appears only when Trcd Ctrl is set to [Manual]. Trcd Specifies the RAS# Active to CAS# Read Delay Time. Valid values: 0x8 ~ 0x3E. The value is in hex. Trp Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Trp Ctrl is set to [Manual]. Trp Specifies Row Precharge Delay Time. Valid values: 0x8 ~ 0x3E. The value is in hex. Tras Ctrl [Auto] [Manual] Follow default setting. Manually specify.
Trfc2 Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Trfc2 Ctrl is set to [Manual]. Trfc2 Specifies the Refresh Recovery Delay Time (tRFC2). Valid values: 0x32 ~ 0xFFF. The value is in hex. TrfcSb Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TrfcSb Ctrl is set to [Manual]. TrfcSb Specifies the Refresh Recovery Delay Time (tRFCSb). Valid values: 0x32 ~ 0x7FF. The value is in hex.
The following item appears only when Tfaw Ctrl is set to [Manual]. Tfaw Specifies the Four Activate Window Time. Valid values: 0x14 ~ 0x50. The value is in hex. TwtrL Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TwtrL Ctrl is set to [Manual]. TwtrL Specifies the Minimum Write to Read Time, the same bank group. Valid values: 0x8 ~ 0x30. The value is in hex. TwtrS Ctrl [Auto] [Manual] Follow default setting. Manually specify.
TrdrdDd Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TrdrdDd Ctrl is set to [Manual]. TrdrdDd Specifies the Read to Read turnaround timing in a different DIMM. Valid values: 0x1 ~ 0xF. The value is in hex. TwrwrScL Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TwrwrScL Ctrl is set to [Manual]. TwrwrScL Specifies the CAS to CAS Delay Time, same bank group. Valid values: 0x1 ~ 0x3F.
The following item appears only when Twrrd Ctrl is set to [Manual]. Twrrd Specifies the Write to Read turnaround timing. Valid values: 0x1 ~ 0xF. The value is in hex. Trdwr Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Trdwr Ctrl is set to [Manual]. Trdwr Specifies the Read to Write turnaround timing. Valid values: 0x1 ~ 0x1F. The value is in hex. DDR BUS Configuration This item allows you to configure DDR BUS configuration.
DDR Power Options Power Down Enable Configuration options: [Disabled] [Enabled] [Auto] DDR RAS This item allows you to configure DDR RAS. Disable Memory Error Injection Configuration options: [False] [True] [Auto] DDR ECC Configuration DDR Security This item allows you to configure DDR Security. TSME Configuration options: [Auto] [Enabled] [Disabled] Data Scramble Configuration options: [Enabled] [Disabled] [Auto] DDR Addressing Options This item allows you to configure DDR Addressing Options.
The following items appear only when MBIST Enable is set to [Enabled]. MBIST Test Mode Allows you to select the MBIST Test Mode - Interface Mode (Tests Single and Multiple CS transactions and Basic Connectivity) or Data Eye Mode (Measures Voltage vs. Timing). Configuration options: [Interface Mode] [Data Eye Mode] [Both] [Auto] MBIST Aggressors Configuration options: [Disabled] [Enabled] [Auto] MBIST Per Bit Slave Die Reporting Reports 2D Data Eye Results in ABL Log for each DQ, Chipselect, and Channel.
Audio Configuration This item allows you to configure Audio Configuration. NB Azalia Allows you to enable or disable the integrated HD audio controller. Configuration options: [Disabled] [Enabled] [Auto] Audio IOs Configuration options: [Auto] [HDA(3SDI) + PDM(2CH)(Default)] [HDA (1SDI) + PDM(6CH)] [HDA(1SDI) + SW0(1MDATA) + PDM(2CH)] [SW0(4MDATA) + PDM(6CH)] [SW0(4MDATA) + SW1(1MDATA) + PDM(2CH)] PCIe loopback Mode Allows you to enable or disable PcieLoopBackMode.
The following item appears only when EDC Control is set to [Manual]. EDC_VDDCR_VDD Allows you to set the VDDCR_VDD EDC Limit [mA] (IRM limit will be enforced). PROCHOT Control [Auto] [Manual] Use the default PROCHOT deassertion ramp time. User can set customized PROCHOT deassertion ramp time. The following item appears only when PROCHOT Control is set to [Manual]. PROCHOT Deassertion Ramp Time Allows you to set the PROCHOT deassertion ramp time [ms] (IRM limit will be enforced).
PWM Frequency [Auto] Sets to the default option 100Hz [1] [0] 25kHz Fan Polarity [Auto] Sets to the default option Positive [1] [0] Negative VDDP Voltage Control [Auto] [Manual] Use the default VDDP Voltage. User can set custom VDDP Voltage. The following items appear only when VDDP Voltage Control is set to [Manual]. VDDP Voltage Allows you to specify the target VDDP voltage [mV].
6.14 AMD PBS The items in this menu shows the AMD PBS Setup page. Graphics Features This submenu allows you to configure Graphics Featurs - HG, DGPU Features and BOMACO configurations. Special Display Features Configuration options: [Disabled] [HybridGraphics] D3Cold Support Allows you to enable or disable PCIe x8 Slot D3Cold. Configuration options: [Disabled] [Enabled] [Dummy D3Cold] Discrete GPU_DSM Function A Allows you to enable or disable PCI-SIG ECN_DSM Function A for Discrete GPU’s GPP Bridge.
Discrete GPU HPD Circuitry Configuration options: [OR Circuitry] [Pulse Circuitry] Discrete GPU’s Audio Configuration options: [Disabled] [Keep ROM Strap Setting] Discrete GPU’s USB Port Configuration options: [Keep Default Setting] [Disabled] Discrete GPU’s SSID/SVID Program Discrete GPU’s SSID/SVID depends on HybridGraphics setting.
6.15 AMD Overclocking The items in this menu shows the AMD Overclocking Setup page. Damage caused by use of your AMD processor outside of specification or in excess of factory settings are not covered by your system manufacturers warranty. The following items appear only when [Accept] is selected for DRAM Timing Configuration. Manual CPU Overclocking CPU Frequency Specifies a custom CPU core frequency. Should be combined with a custom CPU voltage. Power saving features for idle cores (e.g.
SMT Control Can be used to disable symmetric multithreading. To re-enable SMT, a POWER CYCLE is needed after selecting the [Auto] option. Configuration options: [Auto] [Disable] S3 is NOT SUPPORTED on systems where SMT is disabled. DDR and Infinity Fabric Frequency/Timings DDR Options DDR Timing Configuration Active Memory Timing Settings Configuration options: [Auto] [Enabled] The following items appear only when Active Memory Timing Settings is set to [Enabled].
Tras Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Tras Ctrl is set to [Manual]. Tras Specifies Active to Precharge Delay Time. Valid values: 0x1E ~ 0x7E, with a stepping of 2. Trc Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Trc Ctrl is set to [Manual]. Trc Specifies Active to Active/Refresh Delay Time. Valid values: 0x20 ~ 0xFF. The value is in hex.
The following item appears only when TrfcSb Ctrl is set to [Manual]. TrfcSb Specifies the Refresh Recovery Delay Time (tRFCSB). Valid values: 0x32 ~ 0x7FF. The value is in hex. Trtp Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when Trtp Ctrl is set to [Manual]. Trtp Specifies the Read CAS# to Precharge command delay time. Valid values: 0x5 ~ 0x1F. The value is in hex. TrrdL Ctrl [Auto] [Manual] Follow default setting. Manually specify.
TwtrS Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TwtrS Ctrl is set to [Manual]. TwtrS Specifies the Minimum Write to Read Time, different bank group. Valid values: 0x2 ~ 0x10. The value is in hex. DDR Non-SPD Timing TrdrdScL Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TrdrdScL Ctrl is set to [Manual]. TrdrdScL Specifies the CAS to CAS delay time, same bank group. Valid values: 0x1 ~ 0xF.
The following item appears only when TwrwrScL Ctrl is set to [Manual]. TwrwrScL Specifies the CAS to CAS Delay Time, same bank group. Valid values: 0x1 ~ 0x3F. The value is in hex. TwrwrSc Ctrl [Auto] [Manual] Follow default setting. Manually specify. The following item appears only when TwrwrSc Ctrl is set to [Manual]. TwrwrSc Specifies the Write to Write turnaround timing in the same chipselect. Valid values: 0x1 ~ 0xF. The value is in hex. TwrwrSd Ctrl [Auto] [Manual] Follow default setting.
DDR BUS Configuration Processor CA drive strengths Specifies the drive strength for all CA0-13 IOs. Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] Processor DQ drive strengths Specifies the drive strength for all DQ and DMI IOs. Configuration options: [Auto] [High Impedance] [240 ohm] [120 ohm] [80 ohm] [60 ohm] [48 ohm] [40 ohm] [34.3 ohm] Processor ODT impedance Specifies the ODT Impedance for all DBYTE IOs.
Precision Boost Overdrive Precision Boost Overdrive When this item is enabled, it allows the processor to run beyond defined values for PPT, VDD_CPU EDC, VDD_CPU TDC, VDD_SOC EDC, VDD_SOC TDC to the limits of the board, and allows it to boost at higher voltages for longer durations than default operation. Configuration options: [Auto] [Disabled] [Enabled] [Advanced] The following items appear only when Precision Boost Overdrive is set to [Advanced].
The following item appears only when CPU Boost Clock Override is set to [Enabled (Positive)]. Max CPU Boost Clock Override(+) Increases the maximum CPU frequency that may be automatically achieved by the Precision Boost 2 algorithm. Use the <+> or <-> to adjust the value. The values range from 25 to 200 with an interval of 25. Configuration options: [Auto] [0] - [200] The following item appears only when CPU Boost Clock Override is set to [Enabled (Negative)].
Curve Optimizer Curve Optimizer Allows the user to shift the Voltage / Frequency (AVFS) curve to include higher voltages (positive values) or lower voltages (negative values). The larger the value entered the larger the magnitude of the voltage limit. Configuration options: [Disable] [All Cores] [Per Core] The following items appear only when Curve Optimizer is set to [All Cores]. All Core Curve Optimizer Sign Determines the direction of the curve shift on all cores.
The following items appear only when VDDG Voltage Control is set to [Per-CCD VDDG Voltage Control]. CCD0-CCD VDDG Voltage VDDG CCD represents voltage for the data portion of the Infinity Fabric. Range is 650mV - 1650mV. Stepping is 10mV. CCD0-IOD VDDG Voltage VDDG IOD represents voltage for the data portion of the Infinity Fabric. Range is 650mV - 1650mV. Stepping is 10mV. VDDP Voltage Control VDDP Voltage Control [Auto] [Manual] VDDP is system default. Set voltage for the DDR bus signaling (PHY).
The following item appears only when VDD Misc Control is set to [Manual]. VDD Misc Voltage Specifies the VDD MISC Voltage in mV, definitely follow SVI3 type 2 Slave VID (5005600mV, step 10mV). Configuration options: [500] - [5600] LCLK Frequency Control LCLK Frequency Control [Auto] [Manual] Use default settings. Manually configure LCLK frequency. The following item appears only when LCLK Frequency Control is set to [Manual]. Maximum Frequency Allows you to set the maximum LCLK frequency.
APU VDDIO Adjust Adjust APO VDDIO, stepping is 2mV. Range is from 700mV to 2668mV. Configuration options: [700] - [2668] VPP Voltage Control VPP Ctrl [Auto] [Manual] Use the default setting. Manually specify the memory VPP Voltage. The following item appears only when VPP Ctrl is set to [Manual]. VPP Adjust Adjust MEM VPP, stepping is 10mV. Range is from 1500mV to 2135mV. Configuration options: [1500] - [2135] 6.
Manage Array This item allows you to view information on the array and manage array properties. Delete Array This item allows you to delete a created array. Physical Disk Management This submenu displays properties of physical disks, and allows you to perform operations such as assign or unassign hot spare. View Physical Disk Properties This item allows you to view the physical disk properties. Select Physical Disk Operations This item allows you to execute physical disk operations.
7. 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, CPU VDDIO / 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 Q-Fan Tuning Click this item to automatically detect the lowest speed and configure the minimum duty cycle for each fan. The process may take 2 to 5 minutes.
The following items appear only when CPU Fan Profile is set to [Standard], [Silent], [Turbo], or [Manual]. CPU Fan Step Up Step down 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 duty cycle will be determined according to the P2-P3 and the temperature source. Use the <+> or <-> keys to adjust the Point2 temperature.
Chassis Fan Step Up Step down 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 the P1-P2 and the temperature source. Use the <+> or <-> keys to adjust the Point1 temperature. 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 Point4 temperature.
AIO Pump Q-Fan Control Allows you to set the AIO Pump operating mode. [Auto Detect] Detects the type of installed fan/pump and automatically switches the control modes. [DC Mode] [PWM Mode] Enables the Q-Fan Control feature in DC mode for 3-pin fan/pump. Enables the Q-Fan Control feature in PWM mode for 4-pin fan/ pump. AIO Pump Profile Allows you to set the appropriate performance level of the assigned fan/pump.
The following items appear only when AIO Pump Profile is set to [Manual]. AIO 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 Point4 temperature.
8. Boot menu The Boot menu items allow you to change the system boot options. CSM (Compatibility Support Module) Allows you to configure the CSM (Compatibility Support Module) items to fully support the various VGA, bootable devices and add-on devices for better compatibility. Launch CSM will be set to [Disabled] and cannot be configured when using the integrated graphics.
Boot from Storage Devices Allows you to select the type of storage devices that you want to launch. Configuration options: [Ignore] [Legacy only] [UEFI only] Boot from PCI-E/PCI Expansion Devices Allows you to select the type of PCI-E/PCI expansion devices that you want to launch. Configuration options: [Ignore] [Legacy only] [UEFI only] 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.
Set New key Allows you to load the downloaded PK from a USB storage device. Delete key Allows you to delete the PK from your system. Once the PK is deleted, all the system’s Secure Boot keys will not be active. Configuration options: [Yes] [No] The PK file must be formatted as a UEFI variable structure with time-based authenticated variable. KEK Management The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx).
DBX Management The dbx (Revoked Signature database) lists the forbidden images of db items that are no longer trusted and cannot be loaded. Save to file Allows you to save the dbx to a USB storage device. Set New key Allows you to load the downloaded dbx from a USB storage device. Append Key Allows you to load the additional dbx from a storage device for an additional db and dbx loaded management. Delete key Allows you to delete the dbx file from your system.
The following item appears only when Boot Logo Display is set to [Disabled]. Post Report Allows you to select a desired POST report waiting time or until ESC is pressed. Configuration options: [1 sec] - [10 sec] [Until Press ESC] Boot up NumLock State Allows you to select the keyboard NumLock state. Configuration options: [On] [Off] Wait For ‘F1’ If Error Allows your system to wait for the key to be pressed when error occurs.
9. 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.
9.1 ASUS EZ Flash 3 Utility This item allows you to run ASUS EZ Flash 3. When you press , a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press to confirm your choice. For more details, refer to section ASUS EZ Flash 3. 9.2 ASUS Secure Erase SSD speeds may lower over time as with any storage medium due to data processing. Secure Erase completely and safely cleans your SSD, restoring it to factory performance levels.
9.3 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.
9.4 ASUS SPD Information This item allows you to view the DRAM SPD information. 9.5 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.
9.6 MyASUS This item allows you to enable or disable downloading and installing of the MyASUS app in the Windows® OS. The availability of this menu, as well as the settings and options may vary depending on your motherboard. Please refer to the BIOS of your motherboard for the actual settings and options.
10. 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. Load Optimized Defaults This option allows you to load the default values for each of the parameters on the Setup menus. When you select this option or if you press , a confirmation window appears. Select OK to load the default values.
11. Updating BIOS The ASUS website publishes the latest BIOS versions to provide enhancements on system stability, compatibility,and performance. However, BIOS updating is potentially risky. If there is no problem using the current version of BIOS, DO NOT manually update the BIOS. Inappropriate BIOS updating may result to system’s failure to boot. Carefully follow the instructions in this chapter to update your BIOS when necessary. Visit http://www.asus.
11.2 ASUS CrashFree BIOS 3 The ASUS CrashFree BIOS 3 utility is an auto recovery tool that allows you to restore the BIOS file when it fails or gets corrupted during the updating process. You can restore a corrupted BIOS file using the motherboard support DVD or a USB flash drive that contains the BIOS file. The BIOS file in the motherboard support DVD may be older than the BIOS file published on the ASUS official website. If you want to use the newer BIOS file, download the file at https://www.asus.
ROG CROSSHAIR X670E Series BIOS Manual
