BIOS Manual Motherboard ROG STRIX Z390-E GAMING
E14965 First Edition November 2018 Copyright© 2018 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....................................................................................... 10 1.2.3 Q-Fan 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.
AI OC Guide(F11) This button above the menu bar allows you to view the descriptions of AI overclocking and enable it. • Refer to section 1.2.4 AI OC Guide for more information. • This function is only enabled when using an unlocked CPU. Search (F9) This button allows you to search for BIOS items by entering its name, enter the item name to find the related item listing. AURA (F4) This button allows you to turn the RGB LED lighting or functional LED on or off.
General help At the bottom of the menu screen is a brief description of the selected item. Use key to capture the BIOS screen and save it to the removable storage device. Configuration fields These fields show the values for the menu items. If an item is user-configurable, you can change the value of the field opposite the item. You cannot select an item that is not userconfigurable. A configurable field is highlighted when selected.
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 a quick overview of the system status Displays the system properties of the selected mode.
1.2.3 Q-Fan Control The Q-Fan 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: 12 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 AI OC Guide • The screenshot shown in this section is for reference purposes only, and may not exactly match what you see on your screen. • This function is only enabled when using an unlocked CPU. The AI OC Guide allows you to enable the Ai Overclocking feature, or view a quick guide of the Ai Overclocking feature which highlights the recommended setup procedure and descriptions of the AI Overclocking. Clicking on Enable AI will enable AI Overclocking.
1.2.5 EZ Tuning Wizard EZ Tuning Wizard allows you to easily set RAID in your system using this feature. Creating RAID To create RAID: 1. Click EZ Tuning Wizard from the BIOS screen to open EZ Tuning Wizard screen. 2. Click Yes to enable RAID. 3. 14 • Ensure that your HDDs have no existing RAID volumes. • Ensure to connect your HDDs to Intel® SATA connectors. Select the port that you want to set to [RAID] mode, PCIE or SATA, then click Next.
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. 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: 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 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. 18 • 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. 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 CPU and DIMM model you installed on the motherboard. Scroll down to display other BIOS items.
The following item appears only when you set the Ai Overclock Tuner 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 item appears only when you set the Ai Overclock Tuner 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.
When the CPU Core Ratio is set to [Sync All Cores] or [Per Core], 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. When the CPU Core Ratio is set to [Per Core], the following items appears.
BCLK Frequency : DRAM Frequency Ratio [Auto] [Auto] The BCLK frequency to DRAM frequency ratio will be set to the optimized setting. [100:133] The BCLK frequency to DRAM frequency ratio will be set to 100:133. [100:100] The BCLK frequency to DRAM frequency ratio will be set to 100:100. DRAM Odd Ratio Mode This item allows you to enable or disable availability of odd DRAM ratios for improved granularity.
Secondary Timings DRAM RAS# to RAS# Delay L Configuration options: [Auto] [1] – [15] DRAM RAS# to RAS# Delay S Configuration options: [Auto] [1] – [15] DRAM REF Cycle Time Configuration options: [Auto] [1] – [1023] DRAM REF Cycle Time 2 Configuration options: [Auto] [1] – [1023] DRAM REF Cycle Time 4 Configuration options: [Auto] [1] – [1023] DRAM Refresh Interval Configuration options: [Auto] [1] – [65535] DRAM WRITE Recovery Time Configuration options: [Auto] [1] – [31] DRAM READ to PRE Time Configuration
ODT RTT NOM (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 CLOCK] ODT RTT WR (CHB) Configuration options: [Auto] [0 DRAM CLOCK] [80 DRAM CLOCK] [120 DRAM CLOCK] [240 DRAM CLOCK] [255 DRAM CLOCK] ODT RTT PARK (CHB) Configuration options: [Auto] [0 DRAM CLOCK] [34 DRAM CLOCK] [40 DRAM CLOCK] [48 DRAM CLOCK] [60 DRAM CLOCK] [80 DRAM CLOCK] [120 DRAM CLOCK] [240 DRAM CLOCK] ODT RTT NOM (CHB) Configu
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 Configuration options: [Auto] [0] - [15] Cmd Falling Slope Offset Configuration options: [Auto] [0] - [1] Ctl Falling Slope Configuration options: [Auto] [0] - [15] Ctl Falling Slope Offset Configuration options: [Auto] [0] - [1] Clk Falling Slope Configuration options: [Auto] [0] - [15] Clk Falling Slo
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) Configuration options: [Auto] [0] - [15] DRAM IOL (CHB DIMM0 Rank0) Configuration options: [Auto] [0] - [15] DRAM IOL (CHB DIMM0 Rank1) Configuration options: [Auto] [0] - [15] DRAM IOL (CHB DIMM1 Rank0) Configuration options: [Auto] [0] - [15] DRAM IOL (CHB DIMM1 Rank1) Configura
Configuration options: [Enabled] [Disabled] Read MPR Timing Training Configuration options: [Enabled] [Disabled] Receive Enable Training Configuration options: [Enabled] [Disabled] Jedec Write Leveling Configuration options: [Enabled] [Disabled] Early Write Timing Centering 2D Configuration options: [Auto] [Enabled] [Disabled] Early Read Timing Centering 2D Configuration options: [Auto] [Enabled] [Disabled] Write Timing Centering 1D Configuration options: [Enabled] [Disabled] Write Voltage Centering 1D Conf
Read Timing Centering 2D Configuration options: [Auto] [Enabled] [Disabled] Command Voltage Centering Configuration options: [Auto] [Enabled] [Disabled] Write Voltage Centering 2D Configuration options: [Auto] [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]
tWRWR_dg Configuration options: [Auto] [0] - [63] tWRRD_sg Configuration options: [Auto] [0] - [127] tWRRD_dg Configuration options: [Auto] [0] - [63] tRDRD_dr Configuration options: [Auto] [0] - [63] tRDRD_dd Configuration options: [Auto] [0] - [63] tRDWR_dr Configuration options: [Auto] [0] - [63] tRDWR_dd Configuration options: [Auto] [0] - [63] tWRWR_dr Configuration options: [Auto] [0] - [63] tWRWR_dd Configuration options: [Auto] [0] - [63] tWRRD_dr Configuration options: [Auto] [0] - [63] tWRRD_dd Co
Memory Scrambler Set this item to enable or disable memory scrambler support. Configuration options: [Enabled] [Disabled] Channel A DIMM Control Allows you to enable or disable the Channel A DIMM slots. Configuration options: [Enable Both DIMMS] [Disable DIMM0] [Disable DIMM1] [Disable Both DIMMS] Channel B DIMM Control Allows you to enable or disable the Channel B DIMM slots.
CPU Current Capability This item allows you to set the shut off current limit for external voltage regulator. A higher setting will allow the voltage regulator to supply more current while a lower setting will cause the voltage regulator to shut off the system when the supplied current is higher than the set value. Configuration options: [Auto] [100%] - [170%] Configure higher values when overclocking or under a high loading for extra power support.
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. [Extreme] Set to the full phase mode. DO NOT remove the thermal module when setting this item to [Extreme]. The thermal conditions should be monitored. CPU VRM Thermal Control This item allows you to enable or disable the temperature limit of the CPU VRM.
Turbo Mode Parameters The following items appear only when you set the Turbo Mode to [Enabled]. Long Duration Package Power Limit As know as the power limit 1 in Watts. The default value will be the TDP (thermal design power). The turbo ratio can be maintained for a duration to exceed the TDP for the maximum system performance. Configuration options: [Auto] [1] - [4095] Package Power Time Window As know as the power limit 1 in seconds.
Tweaker’s Paradise Realtime Memory Timing This item allows you to enable or disable realtime memory timing. Configuration options: [Enabled] [Disabled] FCLK Frequency for Early Power On This item allows you to set the FCLK Frequency for Early Power On. Configuration options: [Auto] [Normal (800 MHz)] [1GHz] [400 MHz] Initial BCLK Frequency This item allows you to start overclocking the system from the initial BCLK (base clock) frequency to the assigned BCLK frequency. Use the <+> or <-> to adjust the value.
System Agent PLL Voltage Configuration options: [Auto] [0.900] - [1.845] Memory Controller PLL Voltage Configuration options: [Auto] [0.900] - [1.845] AI Features The items in this menu allows you to enable or disable different AI Features. Package Temperature Threshold Frequency will adjust to stay below this package temperature threshold when Regulate Frequency by above threshold is enabled.
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] - [255.75] Ring Down Bin This item allows you to enable or disable the Ring Down Bin feature. When enabled, the CPU will down bin the ring ratio, and the requested maximum ring ratio may not be observed.
Offset Mode Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value. CPU Core Voltage Offset This item allows you to configure the CPU core voltage offset value. Configuration options: [Auto] [0.005] - [0.635] The following items appear only when you set the CPU Core/Cache Voltage to [Adaptive Mode]. Offset Mode Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value.
DRAM REF Voltage Control DRAM CTRL REF Voltage on CHA/CHB Configures the DRAM reference voltage on the control lines. The reference voltage will be the DRAM voltage times the configured value. Configuration options: [Auto] [0.39500] - [0.63000] DRAM DATA REF Voltage on CHA DIMM0 Rank0 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] DRAM DATA REF Voltage on CHA DIMM0 Rank1 BL0-7 Configures the DRAM Data REF Voltage.
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 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 you set the PCI Express Native Power Management to [Enabled].
SA - PCI Express DMI Link ASPM Control 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] [L0s] [L1] [L0sL1] PEG - ASPM This item allows you to select the ASPM state for energy-saving conditions, or use the ASUS optimized energy saving profile.
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. Configuration options: [Disabled] [Enabled] Adjacent Cache Line Prefetch This item allows you to prefetch adjacent cache lines, reducing the DRAM loading time and improves the system performance.
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]. Enhanced C-States When enabled, CPU will switch to minimum speed when all cores enter C-State. Configuration options: [Enabled] [Disabled] CPU C3 Report This item allows you to disable or enable the CPU C3 report to the operating system.
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. Configuration options: [Enabled] [Disabled] Memory Configuration This item allows you to set memory configuration parameters.
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] 1.6.4 PCH Configuration PCI Express Configuration This item allows you to configure the PCI Express slots.
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 item appears only when you set the SATA Controller(s) to [Enabled].
Aggressive LPM support This item is designed for LPM (link power management) support with a better energy saving conditions. When disabled, the hot plug function of SATA ports are disabled. Configuration options: [Disabled] [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.
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] Intel LAN Controller This item allows you to enable or disable the Intel(R) LAN controller. Configuration options: [Disabled] [Enabled] The following item appears only when you set the Intel LAN Controller to [Enabled].
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. [On] LEDs will light up in S3(sleep), S4(hibernate) and S5(soft off) states. [Off] LEDs will not light up in S3(sleep), S4(hibernate) and S5(soft off) states. M.2_1 Configuration [Auto] Auto-detects the M.2 device mode. If a SATA device is detected, SATA6G_2 will be disabled. [SATA] Only supports M.2 SATA devices.
Serial Port Configuration Serial Port Configuration Allows you to turn Serial Port on or off. Configuration options: [On] [Off] The following item appears only when you set Serial Port to [On]. Change Settings Allows you to choose the setting for Super IO device. Configuration options: [IO=3F8h; IRQ=4] [IO=2F8h; IRQ=3] [IO=3E8h; IRQ=4] [IO=2E8h; IRQ=3] 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.
Power On By Ring [Disabled] This item allows you to enable or disable Ring devices to generate a wake event Configuration options: [Disabled] [Enabled] 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.
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. If any USB devices are detected, the legacy USB support is enabled.
1.6.12 NVMe Configuration This menu displays the NVMe controller and Drive information of the connected devices. 1.6.13 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. Chassis Intrusion Detection Support This item allows you to turn Chassis Intrusion Detection Support on or off.
Q-Fan Configuration Q-Fan Tuning Click this item to automatically detect the lowest speed and configure the minimum duty cycle for each fan. 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.
Chassis Fan(s) Configuration Chassis Fan 1-2 Q-Fan Control This item allows you to set the chassis fan operating mode. [Auto] Detects the type of chassis fan installed and automatically switches the control modes. [PWM Mode] Enables the Chassis Fan Q-Fan Control feature in PWM mode for 4-pin chassis fan. [DC Mode] Enables the Chassis Fan Q-Fan Control feature in DC mode for 3-pin chassis fan. [Disabled] Disables the Q-Fan control.
Chassis Fan 1-2 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.
M.2 Fan Q-Fan Source The assigned fan will be controlled according to the selected temperature source. Configuration options: [CPU] [MotherBoard] [PCH] [T Sensor] [Water In T Sensor] [Water Out T Sensor] [EXT_Sensor1] [EXT_Sensor2] [EXT_Sensor3] [Multiple Sources] • For EXT_Sensor1-3, connect a Thermistor cable to one of these connectors, then tape the other end on a critical component to control its temperature.
The following items appear only when you set M.2 Fan Profile to [Manual]. M.2 Fan Upper Temperature Use the <+> or <-> keys to adjust the upper limit of the M.2 Fan temperature. The M.2 Fan will operate at the maximum duty cycle when the temperature source is higher than the limit. M.2 Fan Max. Duty Cycle (%) Use the <+> or <-> keys to adjust the maximum M.2 Fan duty cycle. When the temperature source reaches the upper limit, the M.2 Fan will operate at the maximum duty cycle. M.
Extension Fan 1-3 Fan Speed Low Limit This item allows you to disable or set the extension fan warning speed. Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM] Extension Fan 1-3 Profile This item allows you to set the appropriate performance level of the extension fan. [Standard] Set to make the extension fan adjust automatically depending on the CPU temperature. [Silent] Set to minimize the fan speed for quiet extension fan operation.
WATER_PUMP+/AIO PUMP Control [Disabled] Disable the water WATER_PUMP+/AIO PUMP control feature. [Auto] Detects the type of water WATER_PUMP+/AIO PUMP installed and automatically switches the control modes. [DC mode] Enable the water WATER_PUMP+/AIO PUMP control in DC mode for 3-pin chassis fan. [PWM mode] Enable the water WATER_PUMP+/AIO PUMP control in PWM mode for 4-pin chassis fan. The following items appear only when you set the water WATER_PUMP+/AIO PUMP Control to [Auto], [DC mode], or [PWM mode].
1.8 Boot menu The Boot menu items allow you to change the system boot options. Boot Configuration 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]. Next Boot after AC Power Loss [Normal Boot] Returns to normal boot on the next boot after an AC power loss. [Fast Boot] Accelerates the boot speed on the next boot after an AC power loss.
The following item appears only when you set the Boot Logo Display to [Auto] and [Full Screen]. Post Delay Time This item allows you to select a desired additional POST waiting time to easily enter the BIOS Setup. You can only execute the POST delay time during normal boot. Configuration options: [0 sec] - [10 sec] This feature only works when set under normal boot. The following item appears only when you set the Boot Logo Display to [Disabled].
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. Launch CSM [Enabled] For better compatibility, enable the CSM to fully support the non-UEFI driver add-on devices or the Windows® UEFI mode. [Disabled] Disable the CSM to fully support the non-UEFI driver add-on devices or the Windows® UEFI mode.
Key Management Install Default Secure Boot keys This item allows you to immediately load the default Security Boot keys, Platform key (PK), Key-exchange Key (KEK), Signature database (db), and Revoked Signatures (dbx). When the default Secure boot keys are loaded, the PK state will change from Unloaded mode to loaded mode. Clear Secure Boot keys This item appears only when you load the default Secure Boot keys. This item allows you to clear all default Secure Boot keys.
Delete key This item allows you to delete the KEK from your system. Configuration options: [Yes] [No] The KEK file must be formatted as a UEFI variable structure with time-based authenticated variable. DB Management The db (Authorized Signature database) lists the signers or images of UEFI applications, operating system loaders, and UEFI drivers that you can load on the single computer. Save to file This item allows you to save the db to a USB storage device.
Boot Option Priorities These items specify the boot device priority sequence from the available devices. The number of device items that appears on the screen depends on the number of devices installed in the system. • To access Windows® OS in Safe Mode, press after POST (Windows® 8 not supported). • To select the boot device during system startup, press when ASUS Logo appears. Boot Override These item displays the available devices.
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. Secure Erase is only available in AHCI mode. Ensure to set the SATA mode to AHCI. Click Advanced > PCH Storage Configuration > SATA Mode Selection > AHCI. To launch Secure Erase, click Tool > Secure Erase on the Advanced mode menu.
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.
1.9.6 Graphics Card Information 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. GPU Post This item displays the information and recommended configuration for the PCIE slots that the graphics card is installed in your system. Bus Interface This item allows you to select the bus interface.
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: 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 3.10 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.
ROG STRIX Z390-E GAMING BIOS Manual
