Chapter 3: BIOS Setup 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 By default, the EZ Mode screen appears when you enter the BIOS setup program. 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.
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.
Search on FAQ Move your mouse over this button to show a QR code, scan this QR code on your mobile device to connect to the BIOS FAQ web page of the ASUS support website. You can also scan the following QR code: Hot keys This button above the menu bar contains the navigation keys for the BIOS setup program. Use the navigation keys to select items in the menu and change the settings. Scroll bar A scroll bar appears on the right side of a menu screen when there are items that do not fit on the screen.
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: 8 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. My Favorites comes with several performance, power saving, and fast boot related items by default. You can personalize this screen by adding or removing items.
Adding items to My Favorites To add BIOS items: from the BIOS screen to open 1. Press on your keyboard or click 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 as 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. 1.5 • If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password.
AVX Instruction Core Ratio Negative Offset Enter the numerical value that will be subtracted from your core ratio to get the ratio at which the AVX applications run. This item only displays when you install Intel® 7th Generation K series processors. DRAM Odd Ratio Mode [Enabled] Allows you to enable or disable the DRAM Odd Ratio Mode, which provides better granularity. Configuration options: [Disabled] [Enabled] DRAM Frequency [Auto] This item allows you to set the memory operating frequency.
DIGI+ VRM CPU Load-Line Calibration [Auto] Load-line is defined by Intel VRM specification and affects the CPU power voltage. The CPU working voltage will decrease proportionally depending on the CPU loading. Higher levels of the load-line calibration can get a higher voltage and a better overclocking performance but increases the CPU and VRM thermal. Configuration options: [Auto] [Level 1] [Level 2] ~ [Level 6] [Level 7] The boosted performance may vary depending on the CPU specification.
CPU Power Phase Control [Auto] This item allows you to set the power phase control of the CPU. Configuration options: [Auto] [Standard] [Optimized] [Extreme] CPU Graphics Load-Line Calibration [Auto] Load-line is defined by Intel VRM specification and affects the GT power voltage. The GT working voltage will decrease proportionally depending on the GT loading. Higher levels of the load-line calibration can get a higher voltage and a better overclocking performance but increases the GT and VRM thermal.
Turbo Mode Parameters Long Duration Package Power Limit [Auto] Allows you to limit the Turbo Ratio’s time duration that exceeds the TDP (Thermal Design Power) for maximum performance. Use the <+> or <-> keys to adjust the value. The values range from 1 W to 4096 W. Package Power Time Window [Auto] Also known as Power Limit 1, this item allows you to maintain the time window for Turbo Ratio over TDP (Thermal Design Power). Use the <+> or <-> keys to adjust the value.
CPU Core/Cache Voltage [Auto] This item allows you to configure the amount of voltage fed to the CPU cores. Increase the voltage when setting a high Core Frequency value. Configuration options: [Auto] [Manual Mode] [Offset Mode] The following item appears only when you set the CPU Core/Cache Voltage to [Offset Mode]. Offset Mode Sign [+] [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value.
PCH Core Voltage [Auto] This item allows you to set the PCH core voltage. Use the <+> and <-> keys to adjust the value. The values range from 0.800V to 1.635V with a 0.005V interval. Internal PLL Voltage [Auto] Allows you to configure the offset for the Core PLL VCC Trim. DRAM REF Voltage Control [Auto] The subitems in this menu allows you to set the DRAM reference voltage on the control lines from the memory bus. You can use the <+> or <-> keys to adjust the value. 1.
SA - PCI Express options DMI Link ASPM Control [Disabled] This item allows you to control the Active State Power Management on both CPU and PCH (platform controller hub) Both DMI link ASPM control items of the CPU and PCH sides must be enabled for the ASPM to take effect. Configuration options: [Disabled] [L1] PEG ASPM [Disabled] This item allows you to select the ASPM state for energy-saving conditions, or use the ASUS optimized energy saving profile.
Tcc Offset Time Window [Auto] This item allows you to specify the time window for the Running Average Temperature Limit (RATL) feature. Configuration options: [Auto] [Disabled] [5 ms] [10 ms] [55 ms] [156 ms] [375 ms] [500 ms] [750 ms] [1 sec] CPU Power Management Control This item allows you to manage and configure the CPU’s power. Intel(R) SpeedStep(tm) [Auto] This item allows your system to support more than two frequency ranges.
Graphics Configuration Allows you to select a primary display from CPU, PCIE and PCI graphical devices. Primary Display [Auto] Allows you to select the primary display from CPU, PCIE and PCI graphics devices. Configuration options: [Auto] [CPU Graphics] [PCIE] [PCI] iGPU Multi-Monitor [Disabled] This item allows you to empower both integrated and discrete graphics devices for the multi-monitor output. The CPU graphics shared system memory size is fixed at 64 MB.
IOAPIC 24-119 Entries [Enabled] This item allows you to enable/disable the IOAPIC 24-119 Entries. IRQ24-119 may be used by PCH devices. Disabling those interrupts may cause certain devices to fail. Configuration options: [Enabled] [Disabled] 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. Hyper Kit Mode [Disabled] Disable this option for M.2 devices.
Onboard Devices Configuration HD Audio Controller [Enabled] This item allows you to use the Azalia High Definition Audio Controller. Configuration options: [Disabled] [Enabled] The following items appear only when you set the HD Audio Controller item to [Enabled]. DVI Port Audio [Disabled] Allows you to enable or disable the DVI port audio function.
Serial Port Configuration The sub-items in this menu allow you to set the serial port configuration. Serial Port 1 [On] Allows you to enable or disable the serial port (COM).Configuration options: [On] [Off] Change Settings [IO=3F8h; IRQ=4] This item appears only when you set the Serial Port to [On] and allows you to select the Serial Port base address.
The following two items appear only when you set the previous item to [Enabled]. Ipv4 / Ipv6 PXE Support [Enabled] This item allows you to enable or disable the Ipv4/Ipv6 PXE wake event. Configuration options: [Disable Link] [Enabled] HDD/SSD SMART Information This menu displays the SMART information of the connected devices. USB Configuration The items in this menu allow you to change the USB-related features. The USB Devices item shows the auto-detected values.
1.7 Monitor menu The Monitor menu displays the system temperature/power status, and allows you to change the fan settings. CPU Temperature, MotherBoard Temperature, PCH Temperature, T_Sensor Temperature, EXT_Sensor 1/2/3 Temperature [xxx°C/xxx°F] or [Ignore] The onboard hardware monitor automatically detects and displays the CPU and motherboard temperatures. Select [Ignore] if you do not wish to display the detected temperatures.
CPU Fan Profile [Standard] This item appears only when you enable the CPU Q-Fan Control feature and allows you to set the appropriate performance level of the CPU fan. [Standard] Sets to [Standard] to make the CPU fan automatically adjust depending on the CPU temperature. [Silent] Sets to [Silent] to minimize the fan speed for quiet CPU fan operation. [Turbo] Sets to [Turbo] to achieve maximum CPU fan speed. [Manual] Sets to [Manual] to assign detailed fan speed control parameters.
The following items appear only when you set the Chassis Fan 1/2 Q-Fan Control to [Auto], [PWM Mode], or [DC Mode]. Chassis Fan 1/2 Q-Fan Source [CPU] This item controls the assigned fan according to the selected temperature source. Configuration options: [CPU] [Motherboard] Chassis Fan 1/2 Speed Low Limit [200 RPM] This item allows you to disable or set the chassis fan warning speed.
Ext. Fan(s) Configuration The subitems in this menu allows you to configure the extension Q-Fan features. Extension Fan 1/2/3 Q-Fan Control [DC Mode] [PWM mode] Enables the chassis Q-Fan control in PWM mode for the 4-pin chassis fan. [DC mode] Enables the chassis Q-Fan control in DC mode for the 3-pin chassis fan. [Disabled] Disables the chassis Q-Fan control feature. The following items appear only when you set the Extension Fan 1/2/3 Q-Fan Control to [PWM Mode] or [DC Mode].
Extension Fan 1/2/3 Min. Duty Cycle(%) [60] Use the <+> or <-> keys to adjust the minimum extension fan duty cycle. The values range from 60% to 100%. When the CPU temperature is under the lower limit, the extension fan operates at the minimum duty cycle. Allow Fan Stop [Disabled] Allows the fan to run at 0% duty cycle when the temperature of the source is dropped below the lower temperature. AIO PUMP Control [Disabled] The subitems in this menu allows you to configure the AIO PUMP Control settings.
1.8 Boot menu The Boot menu items allow you to change the system boot options. Fast Boot [Enabled] [Enabled] Select to accelerate the boot speed. [Disabled] Select to go back to normal boot speed. The following item appears only when you set Fast Boot to [Enabled]. Next Boot after AC Power Loss [Normal Boot] [Normal Boot] Returns to normal boot on the next boot after AC power loss. [Fast Boot] Accelerates the boot speed on the next boot after AC power loss.
Interrupt 19 Capture [Disabled] This item allows you to trap Interrupt 19 by the option ROMs. Configuration options: [Disabled] [Enabled] Setup Mode [EZ Mode] [Advanced Mode] This item allows you to go to Advanced Mode of the BIOS after POST. [EZ Mode] This item allows you to go to EZ Mode of the BIOS after POST.
Secure Boot Allows you to configure the Windows® Secure Boot settings and manage its keys to protect the system from unauthorized access and malwares during POST. OS Type [Other OS] Allows you to select your installed operating system. [Windows UEFI mode] This item allows you to select your installed operating system. Execute the Microsoft® Secure Boot check. Only select this option when booting on Windows® UEFI mode or other Microsoft® Secure Boot compliant OS.
Append Key Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. The KEK file must be formatted as a public key certificate or UEFI variable structure with time-based authenticated variable. Delete key Allows you to delete the Key from your system.
Boot Override These items displays the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. Click an item to start booting from the selected device. 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. 1.9.1 ASUS EZ Flash 3 Utility This item allows you to run ASUS EZ Flash 3. When you press , a confirmation message appears.
Displays the available SSDs Status definition: 1.9.3 • Frozen. The frozen state is the result of a BIOS protective measure. The BIOS guards drives that do not have password protection by freezing them prior to booting. If the drive is frozen, a power off or hard reset of your PC must be performed to proceed with the Secure Erase. • Locked. SSDs might be locked if the Secure Erase process is either incomplete or was stopped.
Load/Save Profile from/to USB Drive This item allows you to load or save profile from your USB drive, load and save profile to your USB drive. 1.9.5 ASUS SPD Information This item allows you to view the DRAM SPD information. 1.9.6 Graphics Card Information This item displays the information about the graphics card installed in your system. GPU Post This item displays the information and recommended configuration for the PCIE slots that the graphics card is installed in your system.
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 through the Internet without having to use a bootable floppy disk or an OS‑based utility. Updating through the Internet varies per region and Internet conditions. Check your local Internet connection before updating through the Internet. To update the BIOS by USB: 38 1. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash Utility and press . 2.
• This function can support devices such as a USB flash disk with FAT 32/16 format and single partition only. • DO NOT shut down or reset the system while updating the BIOS to prevent system boot failure! Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu. See section 1.10 Exit Menu for details. To update the BIOS by Internet: 1. Enter the Advanced Mode of the BIOS setup program.
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.