BIOS Manual Motherboard X99-E Series
DE169 First Edition July 2016 Copyright© 2016 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 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. For changing the basic system configuration Main 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: Quick Note (F9) This button above the menu bar allows you to key in notes of the activities that you have done in BIOS. • The Quick Note function does not support the following keyboard functions: delete, cut, copy, and paste. • You can only use the alphanumeric characters to enter your notes.
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).
1.2.4 EZ Tuning Wizard EZ Tuning Wizard allows you to easily overclock your CPU and DRAM, computer usage, and CPU fan to their best settings. You can also set RAID in your system using this feature. OC setup RAID setup OC Tuning To start OC Tuning: 12 1. Press on your keyboard or click EZ Tuning Wizard screen. 2. Click OC then click Next. 3. Select a PC scenario Daily Computing or Gaming/Media Editing, then click Next.
4. Select a Main Cooling System BOX cooler, Tower cooler, Water cooler, or I’m not sure, then click Next. 5. After selecting the Main Cooling System, click Next then click Yes to start the OC Tuning. Creating RAID To create RAID: 1. Press on your keyboard or click EZ Tuning Wizard screen. 2. Click RAID then click Yes. 3. from the BIOS screen to open • Ensure that your HDDs have no existing RAID volumes. • Ensure to connect your HDDs to Intel® SATA connectors.
4. Select the type of storage for your RAID, Easy Backup or Super Speed, then click Next. a. For Easy Backup, click Next then select from Easy Backup (RAID 1) or Easy Backup (RAID 10). You can only select Easy Backup (RAID 10) if you connect four (4) HDDs. b. 14 For Super Speed, click Next then select from Super Speed (RAID 0) or Super Speed (RAID 5). 5. After selecting the type of RAID, click Next then click Yes to continue the RAID setup. 6.
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. • If you have forgotten your BIOS password, erase the CMOS Real Time Clock (RTC) RAM to clear the BIOS password. See section 1.1.
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. Confirm the password when prompted. 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 CPU and DIMM model you installed on the motherboard. Scroll down to display other BIOS items.
When the Ai Overclock Tuner is set to [Manual], the following items appear. CPU Strap This item allows you to select a strap close to your target BCLK (base clock) for an extreme overclocking, or leave it at [Auto] for the BIOS to upgrade. Configuration options: [Auto] [100MHz] [125MHz] [167MHz] [250MHz] The following item appears only when you set the CPU Strap to [100MHz], [125MHz], [167MHz], or [250MHz].
CPU Core Ratio This item allows you to set the CPU core ratio limit per core or synchronize automatically to all cores. Configuration options: [Auto] [Sync All Cores] [By Core Usage] [By Specific Core] When the CPU Core Ratio is set to [Sync All Cores], the following item appears. 1-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 1-Core Limit value that must be higher than or equal to the 2-Core Ratio Limit.
5-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 5-core ratio limit that must be higher than or equal to the 6-core ratio limit. If you assign a value for 5-Core Ratio Limit, do not set the 1-Core Ratio Limit, 2-Core Ratio Limit, 3-Core Ratio Limit, and 4-Core Ratio Limit to [Auto]. 6-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 6-core ratio limit that must be higher than or equal to the 7-core ratio limit.
AVX Instruction Core Ratio Negative Offset This item allows you to subtract a value from your core ratio at which AVX applications run. Configuration options: [Auto] [1] – [31] Min. CPU Cache Ratio This item allows you to set the minimum possible ratio on the Uncore part of the processor. Use the <+> or <-> keys to adjust the value. The values depend on the CPU installed. Max. CPU Cache Ratio This item allows you to set the maximum possible ratio on the Uncore part of the processor.
DRAM Timing Control The subitems in this menu allow you to set the DRAM timing control features. Use the <+> or <-> keys to adjust the value. To restore the default setting, type [auto] using the keyboard and press the key. Changing the values in this menu may cause the system to become unstable! If this happens, revert to the default settings.
DRAM CKE Minimum Pulse Width Configuration options: [Auto] [4] – [8] DRAM Write Latency Configuration options: [Auto] [1] – [31] Third Timings tRRDR Configuration options: [Auto] [0] - [7] tRRDD Configuration options: [Auto] [0] - [7] tWWDR Configuration options: [Auto] [0] - [7] tWWDD Configuration options: [Auto] [0] - [7] tRWDR Configuration options: [Auto] [0] - [7] tWRDR Configuration options: [Auto] [0] - [7] tWRDD Configuration options: [Auto] [0] - [7] tRWSR Configuration options: [Auto] [0] - [7] t
RTL IOL control DRAM RTL INIT Value Configuration options: [Auto] [0] - [127] DRAM RTL (CHA D0 R0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHA D0 R1) Configuration options: [Auto] [0] - [127] DRAM RTL (CHA D1 R0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHA D1 R1) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB D0 R0) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB D0 R1) Configuration options: [Auto] [0] - [127] DRAM RTL (CHB D1 R0) Configuration options: [Auto] [0] -
DRAM IOL (CHB D0 R0) Configuration options: [Auto] [0] - [255] DRAM IOL (CHB D0 R1) Configuration options: [Auto] [0] - [255] DRAM IOL (CHB D1 R0) Configuration options: [Auto] [0] - [255] DRAM IOL (CHB D1 R1) Configuration options: [Auto] [0] - [255] DRAM IOL (CHC D0 R0) Configuration options: [Auto] [0] - [255] DRAM IOL (CHC D0 R1) Configuration options: [Auto] [0] - [255] DRAM IOL (CHC D1 R0) Configuration options: [Auto] [0] - [255] DRAM IOL (CHC D1 R1) Configuration options: [Auto] [0] - [255] DRAM IOL
CTL Data VREF DRAM Vref(CHAB) Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value. DRAM Vref(CHAB) Configuration options: [Auto] [0.00000] - [2.0000] DRAM Vref(CHCD) Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value. DRAM Vref(CHCD) Configuration options: [Auto] [0.00000] - [2.0000] Misc. DRAM Eventual Voltage(CHA, CHB) Allows you to set the voltage for the DRAM on the left. Configuration options: [Auto] [0.
DRAM Training MemTest This item allows you to enable or disable the memory testing. Configuration options: [Auto] [Disabled] [Enabled] Attempt Fast Boot This item allows the portion of the memory reference code to be skipped when possible to increase boot speed. Configuration options: [Auto] [Disabled] [Enabled] Attempt Fast Cold Boot This item allows the portion of the memory reference code to be skipped when possible to increase boot speed.
External DIGI+ Power Control 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. Higher load-line calibration could get higher voltage and good overclocking performance, but increases the CPU and VRM thermal conditions. Select from levels 1 to 9 to adjust the CPU power voltage from 0% to 125%.
The following item appears only when the CPU VRM Switching Frequency is set to [Auto]. VRM Spread Spectrum This item allows to enhance the system stability. Configuration options: [Auto] [Disabled] [Enabled] CPU Power Phase Control This item allows you to set the power phase control of the CPU. [Auto] Automatically set the phase control mode. [Standard] The phase control will be based on the CPU command. [Optimized] Set to the ASUS optimized phase tuning profile.
DRAM Current Capability(CHA, CHB) This item provides a total power range for DRAM overclocking. A higher value setting provides higher power consumption delivery and extends the overclocking frequency range simultaneously. Configuration options: [100%] [110%] [120%] [130%] Configure higher values when overclocking or under a high CPU loading for extra power support. DRAM Current Capability(CHC, CHD) This item provides a total power range for DRAM overclocking.
The following item appears only when you set the CPU VRM Switching Frequency to [Manual]. Fixed DRAM-CD 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 300 KHz to 500 KHz with an interval of 50 KHz. Do not remove the thermal module when the manual mode is selected. The thermal conditions should be monitored.
Short Duration Package Power Limit As know as the power limit 2 in Watts. It is the second power limit to provide a rapid protection when the package power exceed power limit 1. The default setting is 1.25 times the power limit 1. According to Intel, the platform must be capable of supporting the duration for up to 10 msec when the turbo ratio exceeds the power limit 2. The ASUS motherboards can support the duration for a linger time.
CPU Core Voltage Configures the mode of voltage fed to the cores of the processor. Configuration options: [Auto] [Manual Mode] [Offset Mode] [Adaptive Mode] The following items appear only when you set the CPU Core Voltage to [Manual Mode]. CPU Core Voltage Override Allows you to configure the CPU Core voltage. Configuration options: [Auto] [0.001] - [1.920] The following items appear only when you set the CPU Core Voltage to [Offset Mode]. Offset Mode Sign [+] To offset the voltage by a positive value.
The following items appear only when you set the CPU Cache Voltage to [Offset Mode]. Offset Mode Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value. CPU Cache Voltage Offset This item allows you to configure the CPU core voltage offset value. Configuration options: [Auto] [0.001] - [0.999] The following items appear only when you set the CPU Cache Voltage to [Adaptive Mode]. Offset Mode Sign [+] To offset the voltage by a positive value.
CPU SVID Support Disable this item to stop the CPU from communicating with the external voltage regulator. Configuration options: [Auto] [Disabled] [Enabled] CPU Input Voltage This item allows you to configure the input voltage for the CPU by the external voltage regulator. Configuration options: [Auto] [0.800] - [2.700] The following items appear only when you set the CPU SVID Support to [Enabled]. SVID Voltage Override This item allows you to set a VCCIN for the CPU during initial part of POST.
VCCIO CPU 1.05V Voltage This item allows you to configure the main power supply for the CPU REF. Configuration options: [Auto] [0.70000] - [1.80000] VCCIO PCH 1.05V Voltage This item allows you to configure the main power supply for the PCH REF. Configuration options: [Auto] [0.70000] - [1.80000] VTTDDR Voltage(CHA, CHB) This item allows you to configure the main power supply for the PCH REF. Configuration options: [Auto] [0.20000] - [1.
1.6 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.
1.6.1 CPU Configuration The items in this menu show the CPU-related information that the BIOS automatically detects. The items in this menu may vary based on the CPU installed. Hyper-Threading [ALL] This item allows you to enable/disable the Hyper-Threading for logical processor threads. Configuration options: [Enabled] [Disabled] Intel Adaptive Thermal Monitor This item allows you to protect the CPU by decreasing its frequency as it reaches the thermal throttle point.
Intel Virtualization Technology When set to [Enabled], a VMM can utilize the additional hardware capabilities provided by Vanderpool Technology. Configuration options: [Disabled] [Enabled] Hardware Prefetcher This item allows the CPU to prefetch commands and data in the L2 cache, reduces the DRAM loading time and improves the system performance.
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. 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 you set the CPU C-states to [Enabled].
1.6.3 PCH Storage Configuration While entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show [Not Installed] if no SATA device is installed to the corresponding SATA port. Scroll down to display the other BIOS items. Hyper kit Mode Disable this option for M.2 devices. Enable this option for “ASUS Hyper kit” card.
SATA Controller 1 Mode Selection This item allows you to set the SATA configuration. [Disabled] Disables the SATA function. [IDE] Set to [IDE] when you want to use the Serial ATA hard disk drives as Parallel ATA physical storage devices. [AHCI] Set to [AHCI] when you want the SATA hard disk drives to use the AHCI (Advanced Host Controller Interface).
SATA Controller 2 Mode Selection This item allows you to set the SATA configuration. [Disabled] Disables the SATA function. [IDE] Set to [IDE] when you want to use the Serial ATA hard disk drives as Parallel ATA physical storage devices. [AHCI] Set to [AHCI] when you want the SATA hard disk drives to use the AHCI (Advanced Host Controller Interface).
1.6.4 System Agent (SA) Configuration DMI Configuration DMI Gen 2 This item allows you to enable or disable the DMI Gen 2. Configuration options: [Disabled] [Enabled] NB PCI-E Configuration The items in this menu allow you to select the operating speeds of the PCIe slots. PCIEX16_1 Link Speed This item allows you to select the operating speed of the PCIEX16_1 slot.
MCTP This item allows you to enable or disable the MCTP. Configuration options: [Disabled] [Enabled] ACS Control This item allows you to enable or disable the ACS Control. Configuration options: [Disabled] [Enabled] 1.6.5 USB Configuration The items in this menu allow you to change the USB-related features. The Mass Storage Devices item shows the auto-detected values. If no USB device is detected, the item shows None. Intel xHCI Mode [Auto] The xHCI is automatically enabled and runs at USB 3.
EHCI Legacy USB Support [Enabled] Your system supports the USB 2.0 devices in legacy operating systems. [Disabled] Your USB 2.0 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 2.0 devices at startup. If any USB 2.0 devices are detected, the xHCI legacy USB support is enabled. xHCI Hand-off [Enabled] Enables the support for operating systems without an xHCI hand‑off feature.
1.6.6 Platform Misc Configuration The items in this menu allow you to configure the platform-related features. SA - PCI Express SA DMI ASPM This item allows you to enable/disable the ASPM (L1) support for the downstream devices. Configuration options: [Auto] [Disabled] [L1 only] PEG ASPM Support This item allows you to enable/disable the ASPM support for the downstream devices.
1.6.7 Onboard Devices Configuration Scroll down to view the other BIOS items. HD Audio Controller 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 to [Enabled]. Front Panel Type This item allows you to set the front panel audio connector (AAFP) mode to legacy AC’97 or high-definition audio depending on the audio standard that the front panel audio module supports.
ASMedia USB 3.1 Controller This item allows you to disable or enable the ASMedia® USB 3.1 controller of your system. Configuration options: [Disabled] [Enabled] ASMedia USB 3.1 Battery Charging Support This item allows you to disable or enable the ASMedia USB 3.1 battery charging support of your system.
Serial Port Configuration The sub-items in this menu allow you to set the serial port configuration. Serial Port Allows you to enable or disable the serial port (COM). Configuration options: [Off] [On] The following item appears only when you set Serial Port to [On]. Change Settings This item appears only when you set the previous item to [On] and allows you to select the Serial Port base address.
1.6.8 APM Configuration 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)] 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.
1.6.9 Network Stack Configuration Network stack This item allows you to disable or enable the UEFI network stack. Configuration options: [Disable] [Enable] The following item appears only when you set the Network Stack to [Enabled]. Ipv4/Ipv6 PXE Support This item allows you to enable or disable the Ipv4/Ipv6 PXE wake event. Configuration options: [Disabled] [Enabled] 1.6.10 HDD/SSD SMART Information This menu displays the SMART information of the connected devices.
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, Motherboard Temperature, PCIEX16_1 slot Temperature, PCIEX16_2 slot Temperature, VRM Temperature, PCH Core Temperature, T_Sensor1 Temperature, EXT_Sensor1-3 Temperature [xxx°C/xxx°F] The onboard hardware monitor automatically detects and displays the CPU, motherboard, VRM, PCH Core, and T-Sensor1 temperatures.
CPU Q-Fan Control This item allows you to set the CPU Q-Fan operating mode. [Auto] Detects the type of CPU fan installed and automatically switches the control modes. [PWM Mode] Enables the CPU Q-Fan Control feature in PWM mode for 4-pin CPU fan. [DC Mode] Enables the CPU Q-Fan Control feature in DC mode for 3-pin CPU fan. [Disabled] Disables the Q-Fan Control. The following items appear only when you set the CPU Q-Fan Control to [Auto], [PWM Mode], and [DC Mode].
CPU Middle Temperature Use the <+> and <-> keys to adjust the CPU middle temperature. The values range from 40°C to 75°C. CPU Fan Middle Duty Cycle(%) Use the <+> or <-> keys to adjust the CPU fan middle duty cycle. The values range from 60% to 100%. CPU Lower Temperature Use the <+> or <-> keys to adjust the lower limit of the CPU temperature. The values range from 20°C to 75°C. The CPU fan will operate at the minimum duty cycle when the CPU temperature is lower than the limit. CPU Fan Min.
Chassis Fan 1 Profile This item allows you to set the appropriate performance level of the chassis fan. [Standard] Sets to [Standard] to make the chassis fan automatically adjust depending on the chassis temperature. [Silent] Sets to [Silent] to minimize the fan speed for quiet chassis fan operation. [Turbo] Sets to [Turbo] to achieve maximum chassis fan speed. [Manual] Sets to [Manual] to assign detailed fan speed control parameters.
The following items appear only when you set the Water Pump Control to [Auto], [DC mode] or [PWM mode]. Water Pump Temperature Use the <+> and <-> keys to adjust the upper limit of the water pump. The values range from 45°C to 75°C. The water pump will operate at the maximum duty cycle when the CPU temperature is higher than the limit. Water Pump Max. Duty Cycle(%) Use the <+> and <-> keys to adjust the maximum water pump duty cycle. The values range from 60% to 100%.
High AMP Fan Step Up This item allows you to set the value of the CPU 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] High AMP Fan Step Down This item allows you to set the value of the CPU fan step down. Configuration options: [0 sec] [12 sec] [25 sec] [51 sec] [76 sec] [102 sec] [127 sec] [153 sec] [178 sec] [204 sec] HAMP Fan Speed Low Limit This item allows you to disable or set the chassis fan warning speed.
HAMP Fan Min. Duty Cycle(%) Use the <+> or <-> keys to adjust the minimum HAMP Fan duty cycle. The values range from 60% to 100%. When the temperature source is under the limit, the HAMP Fan will operate at the minimum duty cycle. ASUS FAN EXTENSION CARD is required to configure these items Extension Fan 1-3 Q-Fan Control [Disabled] Disable the Extension Fan Q-Fan control feature. [DC mode] Enable the Extension Fan Q-Fan control in DC mode for 3-pin extension fan.
Extension Fan 1-3 Middle Temperature Use the <+> or <-> keys to adjust the middle limit of the extension fan temperature. The values range from 40°C to 75°C. Extension Fan 1-3 Middle. Duty Cycle (%) Use the <+> or <-> keys to adjust the extension fan middle duty cycle. The values range from 60% to 100%. Extension Fan 1-3 Lower Temperature Use the <+> or <-> keys to adjust the lower limit of the extension fan temperature. The values range from 20°C to 75°C.
1.8 Boot menu The Boot menu items allow you to change the system boot options. Fast Boot [Disabled] Allows your system to go back to its normal boot speed. [Enabled] Allows your system to accelerate the boot speed. The following items appear only when you set the Fast Boot to [Enabled]. SATA Support [All Devices] All devices connected to SATA ports are available during POST. This process extends the POST time. [Hard Drive Only] Only hard drives connected to SATA ports are detected during POST.
USB Support [Disabled] All USB devices will not be available until OS boot up for a fastest POST time. [Full Initialization] All USB devices will be available during POST. This process will extend the POST time. [Partial Initialization] For a faster POST time, only USB ports with keyboard and mouse connections will be detected. Network Stack Driver Support [Disabled] Select to skip the network stack driver from loading during POST. [Enabled] Select to load the network stack driver during POST.
DirectKey (DRCT) [Disabled] Disables the DirectKey button. The system will only power on or off when you press the DirectKey button. [Enabled] Allows the system to power on and go to the BIOS Setup directly when you press the Reset button. Connect the 2-pin connector of the chassis reset button cable to the onboard DRCT header. Boot up NumLock State This item allows you to enable or disable power-on state of the NumLock.
The following items appear only when you set the Launch CSM to [Enabled]. Boot Devices Control This item allows you to select the type of devices that you want to boot. Configuration options: [UEFI and Legacy OPROM] [Legacy OPROM only] [UEFI only] Boot from Network Devices This item allows you to select the type of network devices that you want to launch.
PK Management The Platform Key (PK) locks and secures the firmware from any permissible changes. The system verifies the PK before your system enters the OS. Delete PK This item allows you to delete the PK from your system. Once the PK is deleted, all the system’s Secure Boot keys will not be active. Configuration options: [Yes] [No] Load Default PK This item allows you to load the downloaded PK from a USB storage 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. Setup Animator This item allows you to enable or disable the Setup animator. Configuration options: [Disabled] [Enabled] 1.9.1 GPU Post This item displays the information and recommended configuration for the PCIE slots that the graphics card is installed in your system. This feature is only supported on selected ASUS graphics cards. 1.9.
1.9.3 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. Secure Erase is only available in AHCI mode. Ensure to set the SATA mode to AHCI. Click Advanced > SATA Configuration > AHCI. To launch Secure Erase, click Tool > Secure Erase on the Advanced mode menu. Check the ASUS support site for a full list of SSDs tested with Secure Erase.
1.9.4 ASUS Overclocking 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.
1.9.5 ASUS SPD Information This item allows you to view the DRAM SPD information.
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 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: 74 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.