Motherboard ROG STRIX Z490-F BIOS Manual
E16886 First Edition August 2020 Copyright© 2020 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 Ai 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.
Search (F9) This button allows you to search for BIOS items by entering its name, enter the item name to find the related item listing. AURA ON/OFF(F4) This button allows you to turn the RGB LED lighting or functional LED on or off. [All On]: All LEDs (Aura or Functional) will be enabled. [Aura Only]: Aura LEDs will be enabled and functional LEDs will be disabled. [Aura Off]: Aura LEDs will be disabled, however functional LEDs will still be enabled.
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 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. Displays the system properties of the selected mode.
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(F3) 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. • 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]. Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system.
5. 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 This item allows you to select the CPU overclocking options to achieve the desired CPU internal frequency. Select any of these preset overclocking configuration options: [Auto] Loads the optimal settings for the system. [Manual] When the manual mode is selected, the BCLK (base clock) frequency can be assigned manually.
SVID Behavior This item allows you to program the CPU’s SVID behavior based on the CPU’s quality. The default option is based on [Typical Scenario], but the more optimistic the mode selected, the lower the temperature of the CPU. [Intel’s Fail Safe] is the default behavior of the processor oblivious to the actual Motherboard design. [Trained] optimizes SVID behavior to match input parameters such as VRM Loadline and Target Frequencies.
4-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 4-core ratio limit that must be lower than or equal to the second biggest core’s Ratio Limit. If you assign a value for 4-Core Ratio Limit, do not set the 1-Core Ratio Limit, 2-Core Ratio Limit, and 3-Core Ratio Limit to [Auto].
BCLK Frequency : DRAM Frequency Ratio [Auto] The BCLK frequency to DRAM frequency ratio will be set to the optimized setting. [100:133] The BCLK frequency to DRAM frequency ratio will be set to 100:133. [100:100] The BCLK frequency to DRAM frequency ratio will be set to 100:100. DRAM Odd Ratio Mode This item allows you to enable or disable availability of odd DRAM ratios for improved granularity.
Secondary Timings DRAM RAS# to RAS# Delay L Configuration options: [Auto] [1] - [15] DRAM RAS# to RAS# Delay S Configuration options: [Auto] [1] - [15] DRAM REF Cycle Time Configuration options: [Auto] [1] - [1023] DRAM REF Cycle Time 2 Configuration options: [Auto] [1] - [1023] DRAM REF Cycle Time 4 Configuration options: [Auto] [1] - [1023] DRAM Refresh Interval Configuration options: [Auto] [1] - [65535] DRAM WRITE Recovery Time Configuration options: [Auto] [1] - [31] DRAM READ to PRE Time Configuration
ODT RTT WR (CHB) Configuration options: [Auto] [0 DRAM CLOCK] [80 DRAM CLOCK] [120 DRAM CLOCK] [240 DRAM CLOCK] [255 DRAM CLOCK] ODT RTT PARK (CHB) 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] ODT RTT NOM (CHB) 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] ODT_READ_DURATION Configurat
Cmd Falling Slope Offset Configuration options: [Auto] [0] - [1] Ctl Falling Slope Configuration options: [Auto] [0] - [15] Ctl Falling Slope Offset Configuration options: [Auto] [0] - [1] Clk Falling Slope Configuration options: [Auto] [0] - [15] Clk Falling Slope Offset Configuration options: [Auto] [0] - [1] RTL IOL Control DRAM RTL INIT Value Configuration options: [Auto] [0] - [127] DRAM RTL (CHA DIMM0 Rank0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHA DIMM0 Rank1) Configuration options: [A
DRAM IOL (CHB DIMM0 Rank1) Configuration options: [Auto] [0] - [15] DRAM IOL (CHB DIMM1 Rank0) Configuration options: [Auto] [0] - [15] DRAM IOL (CHB DIMM1 Rank1) Configuration options: [Auto] [0] - [15] IO Latency offset CHA IO_Latency_offset Configuration options: [Auto] [0] - [127] CHB IO_Latency_offset Configuration options: [Auto] [0] - [127] IO Latency RFR delay CHA RFR delay Configuration options: [Auto] [0] - [127] CHB RFR delay Configuration options: [Auto] [0] - [127] Memory Training Algorithms Th
Write Voltage Centering 1D Configuration options: [Enabled] [Disabled] Read Timing Centering 1D Configuration options: [Enabled] [Disabled] Dimm ODT Training* Configuration options: [Auto] [Enabled] [Disabled] DIMM RON Training* Configuration options: [Auto] [Enabled] [Disabled] Write Drive Strength/Equalization 2D* Configuration options: [Auto] [Enabled] [Disabled] Write Slew Rate Training* Configuration options: [Enabled] [Disabled] Read ODT Training* Configuration options: [Enabled] [Disabled] Read Equal
The following item appears only when Margin Check Limit is set to [L2] or [Both]. Margin Limit Check L2 L2 check threshold is scale of L1 check.
tRDRD_dr Configuration options: [Auto] [0] - [63] tRDRD_dd Configuration options: [Auto] [0] - [63] tRDWR_dr Configuration options: [Auto] [0] - [63] tRDWR_dd Configuration options: [Auto] [0] - [63] tWRWR_dr Configuration options: [Auto] [0] - [63] tWRWR_dd Configuration options: [Auto] [0] - [63] tWRRD_dr Configuration options: [Auto] [0] - [63] tWRRD_dd Configuration options: [Auto] [0] - [63] TWRPRE Configuration options: [Auto] [0] - [127] TRDPRE Configuration options: [Auto] [0] - [15] tREFIX9 Configu
Channel A DIMM Control Allows you to enable or disable the Channel A DIMM slots. Configuration options: [Enable Both DIMMs] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMs] Channel B DIMM Control Allows you to enable or disable the Channel B DIMM slots. Configuration options: [Enable Both DIMMs] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMs] MCH Full Check Enable this item to enhance the stability of your system. Disable this item to enhance the DRAM overclocking capability.
Current CPU Load-line Calibration Synch ACDC Loadline with VRM Loadline Enable this item to allow the VRM Loadline to be adjusted automatically to match the AC/DC Loadline. Configuration options: [Enabled] [Disabled] CPU Current Capability This item allows you to set the shut off current limit for external voltage regulator.
CPU Power Duty Control CPU power duty control adjusts the duty cycle of each VRM phase based upon current and/or temperature. [T. Probe] Select to set the VRM thermal balance mode. [Extreme] Select to set the VRM current balance mode. DO NOT remove the thermal module when setting this item to [Extreme]. The thermal conditions should be monitored. CPU Power Phase Control This item allows you to set the power phase control of the CPU.
Fixed CPU Graphics Switching Frequency (KHz) The switching frequency will affect the CPU Graphics transient response spreed and the component thermal production. Use the <+> or <-> to adjust the value. The values range from 250 to 500 with an interval of 50. CPU Graphics Power Phase Control The CPU Graphics current capability adjusts the total power range for CPU Graphics overclocking. A higher value provides a wider total power range and extends the overclocking frequency range simultaneously.
Long Duration Package Power Limit An Intel parameter known as “power limit” 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. Use the <+> and <-> keys to adjust the value. Configuration options: [Auto] [1] - [4095] Package Power Time Window An Intel parameter of “power limit 1” and specified in seconds.
Tweaker’s Paradise Realtime Memory Timing This item allows you to enable or disable realtime memory timing. Configuration options: [Enabled] [Disabled] FCLK Frequency for Early Power On This item allows you to set the FCLK Frequency for Early Power On. Configuration options: [Auto] [Normal (800 MHz)] [1GHz] [400 MHz] 1 GHz is not supported for ULT/ULX SKUs. DRAM VTT Voltage Configuration options: [Auto] [0.500] - [1.300] VPPDDR Voltage Configuration options: [Auto] [1.865] - [3.
Regulate Frequency by above Threshold Frequency will adjust to stay below the Package Temperature Threshold when this item is enabled. SVID must be enabled for this to work. Configuration options: [Auto] [Enabled] [Disabled] Cooler Efficiency Customize [Keep Training] Continuous evaluations will be performed on Cooler efficiency and updated accordingly. [Stop Training] Cooler efficiency evaluations will stop and current evaluated efficiency will be used.
Max. CPU Cache Ratio This item allows you to set the maximum possible CPU cache ratio. Use the <+> and <-> keys to adjust the value. Configuration options: [Auto] [8] - [44] Max. CPU Graphics Ratio This item allows you to configure the CPU graphics ratio. The ratio may vary depending on the system loading. Configuration options: [Auto] [1] - [60] Extreme Over-voltage This item can only be enabled when the onboard CPU_OV jumper is switched on.
The following item appears only when CPU Core Voltage is set to [Adaptive Mode]. Additional Turbo Mode CPU Core Voltage This item 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. Configuration options: [Auto] [0.250V] – [1.920V] Offset Voltage This item allows you to configure the CPU core voltage offset value. Configuration options: [Auto] [0.
PCH Core Voltage Configuration options: [Auto] [0.900] - [1.800] DRAM REF Voltage Control DRAM CTRL REF Voltage on CHA/CHB Configures the DRAM reference voltage on the control lines. The reference voltage will be the DRAM voltage times the configured value. Configuration options: [Auto] [0.39500] - [0.63000] DRAM DATA REF Voltage on CHA DIMM0 Rank0 BL0-7 Configures the DRAM Data REF Voltage.
6. Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices. Be cautious when changing the settings of the Advanced menu items. Incorrect field values can cause the system to malfunction.
6.1 Platform Misc Configuration The items in this menu allow you to configure the platform-related features. PCI Express Native Power Management This item allows you to enhance the power saving feature of PCI Express and perform ASPM operations in the operating system. Configuration options: [Disabled] [Enabled] The following item appears only when PCI Express Native Power Management is set to [Enabled].
SA - PCI Express DMI Link ASPM Control This item allows you to enable or disable control of the Active State Power Management on SA side of the DMI Link. Configuration options: [Disabled] [L0s] [L1] [L0sL1] PEG - ASPM This item allows you to control the ASPM support for the PEG 0. This has no effect if PEG is not the currently active device. Configuration options: [Disabled] [Auto] [ASPM L0s] [ASPM L1] [ASPM L0sL1] 6.
Hardware Prefetcher This item allows you to enable or disable the MLC streamer prefetcher. Configuration options: [Disabled] [Enabled] Adjacent Cache Line Prefetch This item allows you to prefetch adjacent cache lines, reducing the DRAM loading time and improving the system performance. Configuration options: [Disabled] [Enabled] Intel (VMX) Virtualization Technology When set to [Enabled], VMX can utilize the additional hardware capabilities provided by Vanderpool Technology.
Intel(R) Speed Shift Technology This item allows you to disable or enable Intel(R) Speed Shift Technology support. When enabled, CPPC v2 interface allows hardware controlled P-states. Configuration options: [Auto] [Disabled] [Enabled] Intel(R) Turbo Boost Max Technology 3.0 This item allows you to disable or enable Intel(R) Turbo Boost Max Technology 3.0 support. Configuration options: [Disabled] [Enabled] The following item appears only when Intel(R) Turbo Boost Max Technology 3.0 is set to [Enabled].
CPU C8 Report This item allows you to disable or enable the CPU C8 report to the operating system. Configuration options: [Enabled] [Disabled] CPU C9 Report This item allows you to disable or enable the CPU C9 report to the operating system. Configuration options: [Enabled] [Disabled] CPU C10 Report This item allows you to disable or enable the CPU C10 report to the operating system.
Memory Configuration This item allows you to set memory configuration parameters. Memory Remap This item allows you to enable or disable memory remap above 4GB. Configuration options: [Enabled] [Disabled] Graphics Configuration This item allows you to select a primary display from CPU and PCIe graphical devices. Primary Display This item allows you to select the primary display from CPU and PEG devices.
6.4 PCH Configuration PCI Express Configuration This item allows you to configure the PCI Express slots. PCIe Speed This item allows your system to automatically select the PCI Express port speed. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] 6.5 PCH Storage 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.
SATA Mode Selection This item allows you to set the SATA configuration. [AHCI] Set to [AHCI] when you want the SATA hard disk drives to use the AHCI (Advanced Host Controller Interface). The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands.
6.7 Thunderbolt(TM) Configuration The items in this menu allow you to configure Thunderbolt settings. Discrete Thunderbolt(TM) Support This item allows you to enable or disable Discrete Thunderbolt(TM) Support. Configuration options: [Disabled] [Enabled] The following items appear only when Discrete Thunderbolt(TM) Support is set to [Enabled]. Thunderbolt Boot Support This item allows you to enable boots from Bootable devices which is present behind Thunderbolt.
Discrete Thunderbolt(TM) Configuration The items in this submenu allow you to configure Discrete Thunderbolt(TM) related configurations. GPIO3 Force Pwr Configuration options: [On] [Off] Wait time in ms after applying Force Pwr This item allows you to set the wait time (in milli seconds) before accessing the TBT controller, after Force Pwr is asserted. The values range from 1 to 5000. GPIO filter GPIO filter is neeeded to avoid electrical noise on PCH GPIOs during hotplug of 12V USB devices.
Extra Bus Reserved This item allows you to select the TBT Root Port Type. [56] One port Host. [106] Two port Host. Reserved Memory This item allows you to set the Reserved Memory for this Root Bridge. Use the <+> and <-> keys to adjust the value. The values range from 1 to 4096. Memory alignment Use the <+> and <-> keys to adjust the value. The values range from 0 to 31. Reserved PMemory This item allows you to set the Reserved Prefetchable Memory for this Root Bridge.
6.9 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.
6.10 Network Stack Configuration Network stack This item allows you to disable or enable the UEFI network stack. Configuration options: [Disable] [Enable] The following items appear only when Network Stack is set to [Enabled]. Ipv4/Ipv6 PXE Support This item allows you to enable or disable the Ipv4/Ipv6 PXE wake event. Configuration options: [Disabled] [Enabled] 6.11 NVMe Configuration This menu displays the NVMe controller and Drive information of the connected devices.
6.12 Onboard Devices Configuration Scroll down to view the other BIOS items. Hyper M.2X16 This item allows you to set different configurations for the Hyper M.2X16 card. [Disabled] Only one SSD installed onto the Hyper M.2 X16 card can be detected. [Enabled] Two or three SSDs installed onto the Hyper M.2 X16 can be detected. When using PCIEX16_1, ensure to install the SSDs into the M.2_1, M.2_3, and M.2_4 slots on the Hyper M.2 X16 card.
LED lighting When system is in working state This item allows you to turn the RGB LED lighting on or off when the system is in the working state. [All On]: RGB LEDs and Functional LEDs will behave normally. [Stealth Mode]: All LEDs will be disabled. [Aura Only]: RGB LEDs will light up, while all functional LEDs will be disabled. [Aura Off]: Functional LEDs behave normally, while RGB LEDs will be disabled. The RGB Header(s) and Addressable Header(s) will only work under the S0 (working) state.
U32G2_C4 Type C Power Mode [AUTO] Power will be provided to USB 3.2 Gen 2 Type-C ports automatically when a device is detected. [Enabled] Power will always be on for USB 3.2 Gen 2 Type-C ports. Improper connections may damage the system permanently. Serial Port Configuration Set parameters of Serial Port. This item only functions when a serial port (COM) connector is on the motherboard. Serial Port Allows you to enable or disable Serial Port.
Energy Star Ready Configuration options: [Disabled] [Enabled] ErP Ready This item 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. Configuration options: [Disabled] [Enabled (S4+S5)] [Enabled (S5)] Power On By PCI-E This item allows you to enable or disable the Wake-on-LAN function of the onboard LAN controller or other installed PCI-E LAN cards.
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. CPU Temperature, CPU Package Temperature, MotherBoard Temperature, Chipset Temperature, T_Sensor Temperature [xxx°C/xxx°F] The onboard hardware monitor automatically detects and displays the CPU, CPU Package, motherboard, chipset, and T-Sensor temperatures. Select [Ignore] if you do not wish to display the detected temperatures.
Q-Fan Configuration AI Cooling ASUS AI Cooling will automatically manage and control all motherboard fans, ensuring the most efficient settings are set depending on the current system load and temperature. When you enable this function, AI Cooling function will try to lower fan speed to decrease fan noise without compromising current performance. You can keep track of fan performance via the ASUS Fan Xpert software with a blue dot in the Fan curve chart.
The following items appear only when CPU Fan Profile is set to [Manual]. CPU Upper Temperature Use the <+> or <-> keys to adjust the upper limit of the CPU temperature. The CPU fan will operate at the maximum duty cycle when the temperature source is higher than the limit. CPU Fan Max. Duty Cycle (%) Use the <+> or <-> keys to adjust the maximum CPU fan duty cycle. When the temperature source reaches the upper limit, the CPU fan will operate at the maximum duty cycle.
Chassis Fan 1-2 Step Up This item allows you to set the value of the Chassis Fan 1-2 step up. Configuration options: [0 sec] [12 sec] [25 sec] [51 sec] [76 sec] [102 sec] [127 sec] [153 sec] [178 sec] [204 sec] Chassis Fan 1-2 Step Down This item allows you to set the value of the Chassis Fan 1-2 step down.
M.2 Fan Q-Fan Control [Disabled] Disable the M.2 Fan Q-Fan control feature. [Auto] Detects the type of M.2 Fan Q-Fan installed and automatically switches the control modes. [DC mode] Enable the M.2 Fan Q-Fan control in DC mode for 3-pin chassis fan. [PWM mode] Enable the M.2 Fan Q-Fan control in PWM mode for 4-pin chassis fan. The following items appear only when M.2 Fan Q-Fan Control is set to [Auto], [DC mode], or [PWM mode]. M.
M.2 Fan Max. Duty Cycle (%) Use the <+> or <-> keys to adjust the maximum M.2 Fan duty cycle. When the temperature source reaches the upper limit, the M.2 Fan will operate at the maximum duty cycle. M.2 Fan Middle Temperature Use the <+> or <-> keys to adjust the middle limit of the M.2 Fan temperature. M.2 Fan Middle. Duty Cycle (%) Use the <+> or <-> keys to adjust the M.2 Fan middle duty cycle. M.2 Fan Lower Temperature Use the <+> or <-> keys to adjust the lower limit of the M.2 Fan temperature. The M.
WATER PUMP+ Middle. Duty Cycle (%) Use the <+> or <-> keys to adjust the maximum WATER PUMP+ duty cycle. When the CPU temperature reaches the upper limit, the WATER PUMP+ will operate at the maximum duty cycle. WATER PUMP+ Lower Temperature Use the <+> or <-> keys to adjust the lower limit of the WATER PUMP+ temperature. The WATER PUMP+ will operate at the minimum duty cycle when the temperature is lower than the limit. WATER PUMP+ Min.
Chassis Intrusion Detection Support Set this item to [Enabled] to enable the chassis intrusion detection function. Configuration options: [Enabled] [Disabled] CPU Temperature LED Switch This item allows you to turn the CPU Temperature LED on or off. Configuration options: [Enabled] [Disabled] 8. Boot menu The Boot menu items allow you to change the system boot options.
Boot from PCI-E/PCI Expansion Devices This item 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 This item 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.
KEK Management The KEK (Key-exchange Key or Key Enrollment Key) manages the Signature database (db) and Revoked Signature database (dbx). Key-exchange Key (KEK) refers to Microsoft® Secure Boot Key-Enrollment Key (KEK). Save to file This item allows you to save the KEK to a USB storage device. Set New key This item allows you to load the downloaded KEK from a USB storage device. Append Key This item allows you to load the additional KEK from a storage device for an additional db and dbx loaded management.
Set New key This item allows you to load the downloaded dbx from a USB storage device. Append Key This item allows you to load the additional dbx from a storage device for an additional db and dbx loaded management. Delete key This item allows you to delete the dbx file from your system. Configuration options: [Yes] [No] The dbx file must be formatted as a UEFI variable structure with time-based authenticated variable.
Boot up NumLock State This item allows you to enable or disable keyboard NumLock during the system boot. Configuration options: [On] [Off] Wait For ‘F1’ If Error This item allows your system to wait for the key to be pressed when error occurs. Configuration options: [Disabled] [Enabled] AMI Native NVMe Driver Support This item allows you to enable or disable all NVMe device native OpROM.
Boot Override These item displays the available devices. The number of device items that appear on the screen depends on the number of devices installed in the system. Click an item to start booting from the selected device. 9. Tool menu The Tool menu items allow you to configure options for special functions. Select an item then press to display the submenu. Flexkey [Reset] Reboots the system. [Aura On/Off] Enable or Disable Aura LEDs. This setting does not sync with the BIOS/ software option.
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 This item 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 ROG drivers and utilities for your motherboard.
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 EZ Flash 3 ASUS EZ Flash 3 allows you to download and update to the latest BIOS using a USB drive. To update the BIOS: 1. Insert the USB flash drive that contains the latest BIOS file to a USB port. 2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash 3 Utility and press . 3. Press to switch to the Drive field. 4. Press the Up/Down arrow keys to find the USB flash drive that contains the latest BIOS, and then press . 5.
11.3 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.
