BIOS Manual Motherboard PRIME/PRO/ ProArt/TUF GAMING Intel 400 Series
E16452 First Edition April 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 1.1 Knowing BIOS................................................................................................ 4 1.2 BIOS setup program...................................................................................... 5 1.2.1 EZ Mode......................................................................................... 6 1.2.2 Advanced Mode.............................................................................. 7 1.2.3 QFan Control..............................................
BIOS Setup 1.1 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.
1.2 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.
1.2.1 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. The default screen for entering the BIOS setup program can be changed. Refer to the Setup Mode item in section Boot menu for details. Displays the system properties of the selected mode.
1.2.2 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. To switch from EZ Mode to Advanced Mode, click Advanced Mode(F7) or press the hotkey.
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.
AURA (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. [Stealth Mode]: All LEDs (Aura and Functional) will be disabled. Hot keys This button above the menu bar contains the navigation keys for the BIOS setup program.
1.2.3 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).
1.3 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 MyFavorites(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.
1.4 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. 14 • If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password.
Administrator Password If you have set an administrator password, we recommend that you enter the administrator password for accessing the system. Otherwise, you might be able to see or change only selected fields in the BIOS setup program. To set an administrator password: 1. Select the Administrator 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 an administrator password: 1.
1.5 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 motherboard model, as well as the CPU and DIMM model you installed on the motherboard. Scroll down to display other BIOS items.
The following item appears only when Ai Overclock Tuner is set to [XMP I] or [XMP II]. XMP This item allows you to select your eXtreme Memory Profile (XMP). Each profile has its own DRAM frequency, timing and voltage. The following items appear only when Ai Overclock Tuner is set to [XMP I], [XMP II], or [Manual]. BCLK Frequency This item allows you to set the BCLK (base clock) frequency to enhance the system performance. Use the <+> or <-> to adjust the value.
The following items appear only when you set CPU Core Ratio to [Per Core]. 2-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 2-core ratio limit that must be higher than or equal to the 3-core ratio limit. If you assign a value for 2-Core Ratio Limit, do not set the 1-Core Ratio Limit to [Auto].
Primary Timings DRAM CAS# Latency Configuration options: [Auto] [1] - [31] DRAM RAS# to CAS# Delay Configuration options: [Auto] [1] - [63] DRAM RAS# ACT Time Configuration options: [Auto] [1] - [63] DRAM Command Rate Configuration options: [Auto] [1N] [2N] [3N] [N:1] The following item appears only when DRAM Command Rate is set to [N:1]. N to 1 ratio Number of bubbles between wach valid command cycle.
DRAM WRITE to READ Delay S Configuration options: [Auto] [1] - [15] DRAM CKE Minimum Pulse Width Configuration options: [Auto] [0] - [15] DRAM Write Latency Configuration options: [Auto] [1] - [31] Skew Control ODT RTT WR (CHA) Configuration options: [Auto] [0 DRAM CLOCK] [80 DRAM CLOCK] [120 DRAM CLOCK] [240 DRAM CLOCK] [255 DRAM CLOCK] ODT RTT PARK (CHA) 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 C
Cmd Rising Slope Configuration options: [Auto] [0] - [15] Cmd Rising Slope Offset Configuration options: [Auto] [0] - [1] Ctl Rising Slope Configuration options: [Auto] [0] - [15] Ctl Rising Slope Offset Configuration options: [Auto] [0] - [1] Clk Rising Slope Configuration options: [Auto] [0] - [15] Clk Rising Slope Offset Configuration options: [Auto] [0] - [1] Data Falling Slope Configuration options: [Auto] [0] - [15] Data Falling Slope Offset Configuration options: [Auto] [0] - [1] Cmd Falling Slope Co
DRAM RTL (CHB DIMM0 Rank0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB DIMM0 Rank1) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB DIMM1 Rank0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB DIMM1 Rank1) Configuration options: [Auto] [0] - [127] DRAM IOL (CHA DIMM0 Rank0) Configuration options: [Auto] [0] - [15] DRAM IOL (CHA DIMM0 Rank1) Configuration options: [Auto] [0] - [15] DRAM IOL (CHA DIMM1 Rank0) Configuration options: [Auto] [0] - [15] DRAM IOL (CHA DIMM1 Rank1) Confi
Early Command Training Configuration options: [Enabled] [Disabled] SenseAmp Offset Training Configuration options: [Enabled] [Disabled] Early ReadMPR Timing Centering 2D Configuration options: [Enabled] [Disabled] Read MPR Training Configuration options: [Enabled] [Disabled] Receive Enable Training Configuration options: [Enabled] [Disabled] Jedec Write Leveling Configuration options: [Enabled] [Disabled] LPDDR4 Write DQ DQS Retraining Configuration options: [Enabled] [Disabled] Early Write Timing Centering
Read Timing Centering 2D Configuration options: [Enabled] [Disabled] Command Voltage Centering Configuration options: [Enabled] [Disabled] Write Voltage Centering 2D Configuration options: [Enabled] [Disabled] Read Voltage Centering 2D Configuration options: [Auto] [Enabled] [Disabled] Late Command Training Configuration options: [Auto] [Enabled] [Disabled] Round Trip Latency Configuration options: [Auto] [Enabled] [Disabled] Turn Around Timing Training Configuration options: [Enabled] [Disabled] Rank Margi
Write Drive Strength Up/Dn independently Configuration options: [Enabled] [Disabled] Third Timings tRDRD_sg_Training Configuration options: [Auto] [0] - [63] tRDRD_sg_Runtime Configuration options: [Auto] [0] - [63] tRDRD_dg Configuration options: [Auto] [0] - [63] tRDWR_sg Configuration options: [Auto] [0] - [63] tRDWR_dg Configuration options: [Auto] [0] - [63] tWRWR_sg Configuration options: [Auto] [0] - [63] tWRWR_dg Configuration options: [Auto] [0] - [63] tWRRD_sg Configuration options: [Auto] [0] - [
TWRPRE Configuration options: [Auto] [0] - [127] TRDPRE Configuration options: [Auto] [0] - [15] tREFIX9 Configuration options: [Auto] [0] - [127] OREF_RI Configuration options: [Auto] [0] - [255] Misc. MRC Fast Boot Allows you to enable, disable or automatically set the MRC fast boot. Configuration options: [Auto] [Enabled] [Disabled] Delay after Train This item allows you to enable 10 second delay after training for DRAM to reach a certain temperature during extreme overclocking.
DLLBwEn Select values 2 to 4 for best memory overclocking. Configuration options: [Auto] [0] - [7] SPD Write Disable This item allows you to enable or disable setting the SPD Write Disable. For security recommendations, SPD write disable must be set. Configuration options: [TRUE] [FALSE] Digi+ VRM CPU Load-line Calibration Load-line is defined by Intel® specification and affects CPU power voltage. The CPU working voltage decreases proportionally to CPU loading.
The following item appears only when CPU VRM Switching Frequency is set to [Manual]. Fixed CPU VRM Switching Frequency (KHz) This item allows you to set a higher frequency for a quicker transient response speed. Use the <+> or <-> to adjust the value. The values range from 250 to 500 with an interval of 50. The following item appears only when CPU VRM Switching Frequency is set to [Auto]. VRM Spread Spectrum This item allows you to reduce the magnitude of peak noise from the VRM.
Boosted performance may vary depending on the CPU Graphics specification. DO NOT remove the thermal module. CPU Graphics Current Capability 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. Configuration options: [Auto] [100%] - [140%] Configure higher values when overclocking or under a high CPU Graphics loading for extra support.
Internal CPU Power Management The items in this submenu allow you to set the CPU ratio and features. Turbo Mode Parameters CPU Core/Cache Current Limit Max. This item allows you to configure a higher current limit to prevent a frequency or power throttling when overclocking. Use the <+> and <-> keys to adjust the value. Configuration options: [Auto] [0.00] - [255.
TVB Ratio Clipping This service controls Core frequency reduction caused by high package temperatures for processors that implement the Intel Thermal Velocity Boost (TVB) feature. It is required to be disabled for supporting overclocking at frequencies higher than the default max turbo frequency. Uses Overclocking Mailbox command 0x18/0x19. Configuration options: [Auto] [Enabled] [Disabled] Tweaker’s Paradise Realtime Memory Timing This item allows you to enable or disable realtime memory timing.
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] - [23] Extreme Over-voltage This item can only be enabled when the onboard CPU_OV jumper is switched on. Setting this item to [Enabled] allows you to configure higher voltages for overclocking, but the CPU lifetime will not be guaranteed.
The following item appears only when CPU Graphics Voltage Mode is set to [Manual Mode]. CPU Graphics Voltage Override Allows you to configure the CPU Core voltage. Configuration options: [Auto] [0.600] - [1.700] The following items appear only when CPU Graphics Voltage Mode is set to [Offset Mode]. Offset Mode Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value.
DRAM DATA REF Voltage on CHB DIMM0 Rank1 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] DRAM DATA REF Voltage on CHB DIMM1 Rank0 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] DRAM DATA REF Voltage on CHB DIMM1 Rank1 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] 1.6 Advanced menu The Advanced menu items allow you to change the settings for the CPU and other system devices.
1.6.1 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] 1.6.
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.
Turbo Mode This item allows you to automatically set the CPU cores to run faster than the base operating frequency when it is below the operating power, current and temperature specification limit. (Requires EMTTM enabled too) Configuration options: [Enabled] [Disabled] CPU C-states This item allows you to set the power saving of the CPU states. Configuration options: [Auto] [Disabled] [Enabled] The following items appear only when CPU C-states is set to [Enabled].
Thermal Monitor This item allows you to enable or disable the Thermal Monitor. Configuration options: [Disabled] [Enabled] Dual Tau Boost This item allows you to enable Dual Tau Boost feature. This is only applicable for CMLS 35W/65W/125W sku. Configuration options: [Disabled] [Enabled] 1.6.3 System Agent (SA) Configuration VT-d Allows you to enable virtualization technology function on memory control hub.
DVMT Pre-Allocated This item allows you to select the DVMT 5.0 Pre-Allocated (Fixed) Graphics Memory size used by the Internal Graphics Device. Configuration options: [32M] - [1024M] RC6(Render Standby) This item allows you to enable render standby support. Configuration options: [Disabled] [Enabled] PEG Port Configuration This item allows you to configure the PEG Port settings. The items in this submenu may vary according to your motherboard.
1.6.5 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 Controller(s) This item allows you to enable or disable the SATA Device. Configuration options: [Disabled] [Enabled] The following items appear only when SATA Controller(s) is set to [Enabled].
SMART Self Test S.M.A.R.T. (Self-Monitoring, Analysis and Reporting Technology) is a monitoring system that shows a warning message during POST (Power-on Self Test) when an error occurs in the hard disks. Configuration options: [On] [Off] SATA6G_1(Gray) - SATA6G_6(Gray) The items in this submenu may vary according to your motherboard. SATA6G_1(Gray) - SATA6G_6(Gray) This item allows you to enable or disable the selected SATA port.
1.6.7 Thunderbolt(TM) Configuration The items in this menu allow you to configure Thunderbolt settings. The items in this menu may vary according to your motherboard. Scroll down to display the other BIOS items. Thunderbolt(TM) Support This item allows you to enable or disable Thunderbolt(TM) Support. Configuration options: [Disabled] [Enabled] The following items appear only when Thunderbolt(TM) Support is set to [Enabled].
Titan Ridge Workabout for OSUP This item allows you to enable or disable Titan Ridge Workabout for OSUP. Configuration options: [Disabled] [Enabled] Tbt Dynamic AC/DC L1 This item allows you to enable or disable Tbt Dynamic AC/DC L1 support. Configuration options: [Disabled] [Enabled] Wake From Thunderbolt(TM) Devices This item allows you to enable or disable system wake from Thunderbolt(TM) devices. Configuration options: [On] [Off] Security Level This item allows you to select the security selection.
Enable LTR This item allows you to enable Latency Tolerance Reporting support for all Thunderbolt(TM) devices. Configuration options: [Disabled] [Enabled] Enable PMT This item allows you to enable Ptm support for all downstream ports and endpoint devices. Configuration options: [Disabled] [Enabled] Enable TBT ASPM This item allows you to enable TBT ASPM support for all downstream ports and endpoint devices. Configuration options: [Disabled] [L1.1] [L1.1 & L1.
Thunderbolt(TM) OS select Windows 10 Thunderbolt support This item allows you to specify Windows 10 Thunderbolt support level. [Enable + RTD3] OS Native support plus RTD3. [Enabled] OS Native support only, no RTD3. [Disabled] No OS native support. 1.6.8 PCI Subsystem Settings SR-IOV Support This option enables or disables Single Root IO Virtualization Support if the system has SRIOV capable PCIe devices. Configuration options: [Disabled] [Enabled] 1.6.
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. If any USB devices are detected, the legacy USB support is enabled. XHCI Hand-off This item is set to [Disabled] by default for the EHCI (enhanced host controller interface) support by XHCI drivers in operating systems.
1.6.11 NVMe Configuration This menu displays the NVMe controller and Drive information of the connected devices. 1.6.12 Onboard Devices Configuration • The items in this menu may vary according to your motherboard. • Bandwidth and M.2 configurations will vary between motherboards, and are not detailed in this BIOS manual. Please refer to your motherboard’s user manual for the configurations available and adjust the BIOS settings accordingly. Scroll down to view the other BIOS items. Hyper M.
USB power deliver in Soft Off state (S5) This item allows you to enable or disable USB power when your PC is in the S5 state. Configuration options: [Disabled] [Enabled] Connectivity mode (Wi-Fi & Bluetooth) This item allows you to enable or disable the Wi-Fi and Bluetooth connectivity module. Configuration options: [Disabled] [Enabled] 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.
Restore AC Power Loss This item allows your system to go to ON state, OFF state, or both states after an AC power loss. When setting your system to [Last State], it goes to the previous state before the AC power loss. Configuration options: [Power Off] [Power On] [Last State] CEC Ready Enabling this item allows your system to comply with CEC (California Energy Commission) regulations and save more power under S0 state.
1.7 Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. The items in this menu may vary according to your motherboard. Scroll down to display the other BIOS items. CPU Temperature, CPU Package Temperature, Motherboard Temperature [xxx°C/xxx°F] The onboard hardware monitor automatically detects and displays the CPU, CPU Package, and motherboard 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 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 1-3 Step Up This item allows you to set the value of the chassis fan 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 1-3 Step Down This item allows you to set the value of the chassis fan step down.
AIO PUMP Control [Disabled] Disable the AIO PUMP control feature. [Auto] Detects the type of AIO PUMP installed and automatically switches the control modes. [DC mode] Enable the AIO PUMP control in DC mode for 3-pin chassis fan. [PWM mode] Enable the water AIO PUMP control in PWM mode for 4-pin chassis fan. The following items appear only when AIO PUMP Control is set to [Auto], [DC mode], or [PWM mode].
CPU Temperature LED Switch This item allows you to turn the CPU Temperature LED on or off. Configuration options: [Enabled] [Disabled] 1.8 Boot menu The Boot menu items allow you to change the system boot options. CSM (Compatibility Support Module) This item 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.
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.
1.9 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. [DirectKey] Boot directly into the BIOS. Setup Animator This item allows you to enable or disable the Setup animator. Configuration options: [Disabled] [Enabled] 1.9.
1.9.2 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. To launch Secure Erase, click Tool > Secure Erase on the Advanced mode menu. • The time to erase the contents of your SSD may take a while depending on its size. Do not turn off the system during the process. • Secure Erase is only supported on Intel SATA port.
1.9.3 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.
1.9.4 ASUS SPD Information This item allows you to view the DRAM SPD information. 1.9.5 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.
1.10 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.
1.11 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.
1.11.2 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: 66 1. Insert the USB flash drive that contains the latest BIOS file to the USB port. 2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash 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 .
1.11.3 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.
PRIME/PRO/ProArt/TUF GAMING Intel 400 Series BIOS Manual