BIOS Manual Motherboard ROG STRIX Z490-H GAMING
E16511 First Edition May 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 Advanced Mode.............................................................................. 6 1.2.2 EZ Mode......................................................................................... 9 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 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.
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. [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.
1.2.2 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.
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 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.
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.
• 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.
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 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.
DRAM Odd Ratio Mode This item allows you to enable or disable availability of odd DRAM ratios for improved granularity. Configuration options: [Enabled] [Disabled] DRAM Frequency This item allows you to set the memory operating frequency. The configurable options vary with the BCLK (base clock) frequency setting. Select the auto mode to apply the optimized setting.
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 options: [Auto] [1] - [15] DRAM FOUR ACT WIN Time Configuration options: [Auto] [1] - [63] DRAM WRITE to READ Delay Configuration options: [Auto] [1] - [15] DRAM WRITE to READ Delay L Configuration options: [Auto]
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 Configuration options: [Auto] [0] - [7] ODT_READ_DELAY Configuration options: [Auto] [0] - [7] ODT_WRITE_DURATION Configuration options: [Auto] [0] - [7] ODT_WRITE_DELAY Configuration options: [Auto] [0] - [7] Data Rising Slope Configuration options: [Auto] [0] - [15] Data Rising Slope Offset Configuration options:
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: [Auto] [0] - [127] DRAM RTL (CHA DIMM1 Rank0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHA DIMM1 Rank1) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB DIMM0 Rank0) Configu
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 The items in this menu allows you to enable or disable different Memory Training Algorithms.
DIMM RON Training* Configuration options: [Auto] [Enabled] [Disabled] Write Drive Strength/Equalization 2D* Configuration options: [Enabled] [Disabled] Write Slew Rate Training* Configuration options: [Enabled] [Disabled] Read ODT Training* Configuration options: [Enabled] [Disabled] Read Equalization Training* Configuration options: [Enabled] [Disabled] Read Amplifier Training* Configuration options: [Enabled] [Disabled] Write Timing Centering 2D Configuration options: [Enabled] [Disabled] Read Timing Cent
DIMM SPD Alias Test Configuration options: [Enabled] [Disabled] Receive Enable Centering 1D Configuration options: [Enabled] [Disabled] Retrain Margin Check Configuration options: [Enabled] [Disabled] CMD Drive Strength and Tx Equalization Configuration options: [Auto] [Enabled] [Disabled] CMD Slew Rate Training Configuration options: [Auto] [Enabled] [Disabled] Write Drive Strength Up/Dn independently Configuration options: [Enabled] [Disabled] Third Timings tRDRD_sg_Training Configuration options: [Auto]
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 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.
MCH Full Check Enable this item to enhance the stability of your system. Disable this item to enhance the DRAM overclocking capability. Configuration options: [Auto] [Enabled] [Disabled] Mem Over Clock Fail Count Configuration options: [Auto] [1] - [255] Training Profile Allows you to select the DIMM training profile. Configuration options: [Auto] [Standard Profile] [ASUS User Profile] DLLBwEn Select values 2 to 4 for best memory overclocking.
Configure higher values when overclocking or under a high loading for extra power support. CPU VRM Switching Frequency This item affects the VRM transient response speed and the component thermal production. Select [Manual] to configure a higher frequency for a quicker transient response speed. Configuration options: [Auto] [Manual] DO NOT remove the thermal module. The thermal conditions should be monitored. The following item appears only when CPU VRM Switching Frequency is set to [Manual].
The following items appear only when using the onboard graphics. CPU Graphics Load-line Calibration The load-line is defined by the Intel VRM specification and affects the CPU Graphics power voltage. The CPU Graphics working voltage will decrease proportionally depending on the CPU Graphics loading Higher levels of the load-line calibration can get a higher voltage and a better overclocking performance but increase the CPU Graphics and VRM thermal production.
CPU System Agent Boot Voltage Configuration options: [Auto] [0.7000] - [1.7500] CPU VCCIO Boot Voltage Configuration options: [Auto] [0.9000] - [1.8000] PLL Termination Boot Voltage Configuration options: [Auto] [0.80000] - [1.60000] CPU Standby Boot Voltage Configuration options: [Auto] [0.800] - [1.800] 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.
IA DC Load Line This item allows you to set the DC loadline defined in 1/100 mOhms. Use the <+> and <-> keys to adjust the value. Configuration options: [Auto] [0.01] - [62.49] TVB Voltage Optimizations This item controls thermal based voltage optimizations for processors that implement the Intel Thermal Velocity Boost (TVB) feature.
CPU Standby Voltage Configuration options: [Auto] [0.800] - [1.800] Min. CPU Cache Ratio This item allows you to set the minimum possible CPU cache ratio. Use the <+> and <-> keys to adjust the value. Configuration options: [Auto] [8] - [44] 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.
CPU System Agent Voltage Configuration options: [Auto] [0.700] - [1.750] PLL Termination Voltage Configuration options: [Auto] [0.800] - [1.600] CPU Graphics Voltage Mode This item allows you to configure the mode of voltage fed to the CPU Graphics. Manual mode allows user-defined values. Offset mode modifies values by SVID. Configuration options: [Auto] [Manual Mode] [Offset Mode] The following item appears only when CPU Graphics Voltage Mode is set to [Manual Mode].
DRAM DATA REF Voltage on CHA DIMM1 Rank1 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] DRAM DATA REF Voltage on CHB DIMM0 Rank0 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] 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.
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].
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. Configuration options: [Enabled] [Disabled] Above 4G Decoding This item enables or disables 64-bit capable devices to be decoded in above 4G address space if your system supports 64-bit PCI Decoding.
PEG Port Configuration This item allows you to configure the PEG Port settings. PCIEx16_1 Link Speed This item allows you to configure the PCIEx16_1 slot. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] PCIEx16_2 Link Speed This item allows you to configure the PCIEx16_2 slot. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] PCIEx16_3 Link Speed This item allows you to configure the PCIEx16_3 slot. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] 1.6.
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(Black) - SATA6G_6(Black) SATA6G_1(Black) - SATA6G_6(Black) 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. 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.
1.6.9 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.
1.6.10 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] 1.6.11 NVMe Configuration This menu displays the NVMe controller and Drive information of the connected devices.
1.6.12 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. The configurations may differ between motherboards. Please refer to your motherboard’s user manual for more information on the configurations. HD Audio This item allows you to use the Azalia High Definition Audio Controller. Configuration options: [Disabled] [Enabled] Intel LAN This item allows you to enable or disable the Intel LAN.
When system is in sleep, hibernate or soft off states This item allows you to turn the RGB LED lighting on or off when the system is in the sleep, hibernate or soft off states. [Onboard LED on]: Onboard LEDs will behave normally. [Onboard LED off]: Onboard LEDs will be disabled. M.2_1 Configuration [Auto] Auto-detects the M.2 device mode. If a SATA device is detected, SATA6G_2 will be disabled. [SATA mode] Only supports M.2 SATA devices. Please note that SATA6G_2 port cannot be used in this mode.
Power On By RTC This item 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] 1.6.14 HDD/SSD SMART Information This menu displays the SMART information of the connected devices. NVM Express devices do not support SMART information.
1.7 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 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 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.
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. Configuration options: [Disabled] [Enabled] Option ROM Messages [Force BIOS] [Keep Current] The Option ROM Messages will be shown during the POST. Only the ASUS logo will be shown during the POST.
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 ROG 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: 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.
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.