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Table of Contents
Related Manuals for Asus ROG STRIX Z490-E
Summary of Contents for Asus ROG STRIX Z490-E
- Page 1 STRIX Z490-E BIOS Manual...
- Page 2 Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the product is defaced or missing.
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Page 3: Table Of Contents
HDD/SSD SMART Information ............ 56 Monitor menu ....................56 Boot menu ....................64 Tool menu ....................69 ASUS EZ Flash 3 Utility ............... 70 ASUS Secure Erase..............70 ASUS User Profile................ 71 ASUS SPD Information ..............72 ASUS Armoury Crate ..............72 Exit menu ..................... -
Page 4: Knowing Bios
BIOS Setup 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 keyboard- only 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. -
Page 5: Bios Setup Program
You can change modes from Setup Mode in Boot menu or by pressing the <F7> hotkey. The BIOS settings and options for each motherboard may differ slightly with the options in this manual. Please refer to the BIOS of your motherboard for the settings and options. ROG STRIX Z490-E BIOS Manual... -
Page 6: Advanced Mode
Menu bar Language MyFavorite(F3) Qfan Control(F6) AI OC Guide(F11) AURA ON/OFF(F4) General help Last modified settings Go back to EZ Mode Hot keys Menu items Displays a quick overview of the system status and prediction ROG STRIX Z490-E BIOS Manual... - Page 7 This button above the menu bar allows you to view the descriptions of AI overclocking and enable it. • Refer to section AI OC Guide for more information. • This function is only enabled when using an unlocked CPU. ROG STRIX Z490-E BIOS Manual...
- Page 8 A configurable field is highlighted when selected. To change the value of a field, select it and press <Enter> to display a list of options. Last Modified button This button shows the items that you last modified and saved in BIOS Setup. ROG STRIX Z490-E BIOS Manual...
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Page 9: Ez Mode
Click to go to Advanced mode Click to display boot devices Selects the boot device priority The boot device options vary depending on the devices you installed to the system. ROG STRIX Z490-E BIOS Manual... -
Page 10: Qfan Control
PWM Mode Select a profile to Click to apply the fan setting apply to your fans Click to undo the Click to go back to main menu changes Select to manually configure your fans ROG STRIX Z490-E BIOS Manual... - Page 11 Select the fan that you want to configure and to view its current status. Click and drag the speed points to adjust the fans’ operating speed. Click Apply to save the changes then click Exit (ESC). ROG STRIX Z490-E BIOS Manual...
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Page 12: Ai Oc Guide
Quick guide topics Click to view the Click to view Click to enable AI Click to go back previous topic in the the next topic in Overclocking to main menu quick guide the quick guide ROG STRIX Z490-E BIOS Manual... -
Page 13: My Favorites
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. ROG STRIX Z490-E BIOS Manual... - Page 14 Configuration items such as Memory SPD Information, system time and date. Click Exit (ESC) or press <Esc> key to close Setup Tree Map screen. Go to My Favorites menu to view the saved BIOS items. ROG STRIX Z490-E BIOS Manual...
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Page 15: Main Menu
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. ROG STRIX Z490-E BIOS Manual... - Page 16 To clear the user password, follow the same steps as in changing a user password, but leave other fields blank then select OK to continue. After you clear the password, the User Password item on top of the screen shows [Not Installed]. ROG STRIX Z490-E BIOS Manual...
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Page 17: Ai Tweaker Menu
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. ROG STRIX Z490-E BIOS Manual... - Page 18 Configuration options: [Auto] [Disabled] [Enabled] ASUS MultiCore Enhancement [Auto - Lets BIOS Optimize] This item allows you to use ASUS optimized core ratio Turbo settings at default processor speeds. [Disabled - Enforce All limits] This item allows you to use Intel default Turbo core ratio settings.
- Page 19 3-core ratio limit that must be lower than or equal to the second biggest core’s Ratio Limit. If you assign a value for 3-Core Ratio Limit, do not set the 1-Core Ratio Limit and 2-Core Ratio Limit to [Auto]. ROG STRIX Z490-E BIOS Manual...
- Page 20 The following items appear only when CPU Core Ratio is set to [AI Optimized]. Optimized AVX Frequency Select Normal Use for typical use cases, select Heavy AVX for extreme loads such as Prime 95 AVX. Configuration options: [Normal use] [Heavy AVX] ROG STRIX Z490-E BIOS Manual...
- Page 21 Configuration options: [Auto] [1] - [31] DRAM RAS# to CAS# Delay Configuration options: [Auto] [1] - [63] DRAM RAS# ACT Time Configuration options: [Auto] [1] - [63] DRAM Command Rate Configuration options: [Auto] [1N] [2N] [3N] [N:1] ROG STRIX Z490-E BIOS Manual...
- Page 22 Configuration options: [Auto] [0] - [15] DRAM Write Latency Configuration options: [Auto] [1] - [31] Skew Control ODT RTT WR (CHA) Configuration options: [Auto] [0 DRAM CLOCK] [80 DRAM CLOCK] [120 DRAM CLOCK] [240 DRAM CLOCK] [255 DRAM CLOCK] ROG STRIX Z490-E BIOS Manual...
- Page 23 Configuration options: [Auto] [0] - [15] Ctl Rising Slope Offset Configuration options: [Auto] [0] - [1] Clk Rising Slope Configuration options: [Auto] [0] - [15] Clk Rising Slope Offset Configuration options: [Auto] [0] - [1] ROG STRIX Z490-E BIOS Manual...
- Page 24 Configuration options: [Auto] [0] - [127] DRAM RTL (CHB DIMM1 Rank1) Configuration options: [Auto] [0] - [127] DRAM IOL (CHA DIMM0 Rank0) Configuration options: [Auto] [0] - [15] DRAM IOL (CHA DIMM0 Rank1) Configuration options: [Auto] [0] - [15] ROG STRIX Z490-E BIOS Manual...
- Page 25 Early ReadMPR Timing Centering 2D Configuration options: [Enabled] [Disabled] Read MPR Training Configuration options: [Enabled] [Disabled] Receive Enable Training Configuration options: [Enabled] [Disabled] Jedec Write Leveling Configuration options: [Enabled] [Disabled] LPDDR4 Write DQ DQS Retraining Configuration options: [Enabled] [Disabled] ROG STRIX Z490-E BIOS Manual...
- Page 26 Configuration options: [Enabled] [Disabled] Read Voltage Centering 2D Configuration options: [Auto] [Enabled] [Disabled] Late Command Training Configuration options: [Auto] [Enabled] [Disabled] Round Trip Latency Configuration options: [Auto] [Enabled] [Disabled] Turn Around Timing Training Configuration options: [Enabled] [Disabled] ROG STRIX Z490-E BIOS Manual...
- Page 27 Configuration options: [Auto] [0] - [63] tRDWR_sg Configuration options: [Auto] [0] - [63] tRDWR_dg Configuration options: [Auto] [0] - [63] tWRWR_sg Configuration options: [Auto] [0] - [63] tWRWR_dg Configuration options: [Auto] [0] - [63] ROG STRIX Z490-E BIOS Manual...
- Page 28 This item allows you to enable 10 second delay after training for DRAM to reach a certain temperature during extreme overclocking. Configuration options: [Disabled] [Enabled] DRAM CLK Period This item allows you to set the DRAM clock period. Configuration options: [Auto] [1] - [95] ROG STRIX Z490-E BIOS Manual...
- Page 29 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. Configuration options: [Auto] [0] - [7] Legacy Mode This item allows you to enable or disable to workaround issues in Legacy Mode.
- Page 30 Configuration options: [Auto] [Disabled] [Enabled] The following item appears only when VRM Spread Spectrum is set to [Disabled]. Active Frequency Mode Enable this item to enhance the power saving option. Configuration option: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual...
- Page 31 Select manual mode to configure a higher frequency to get a quicker transient response speed. Configuration options: [Auto] [Manual] The following item appears only when CPU Graphics VRM Switching Frequency is set to [Manual]. ROG STRIX Z490-E BIOS Manual...
- Page 32 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] - [255.50] ROG STRIX Z490-E BIOS Manual...
- Page 33 10msec when power consumption exceeds power limit 2. ASUS motherboards are engineered to support this duration for a longer time as required to facilitate overclocking. Use the <+> and <-> keys to adjust the value.
- Page 34 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 regulation is enabled. Configuration options: [Auto] [30] - [115] ROG STRIX Z490-E BIOS Manual...
- Page 35 Please use caution when disabling this feature as it may result in overvoltaging of the CPU. 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] ROG STRIX Z490-E BIOS Manual...
- Page 36 The following item appears only when CPU Core/Cache Voltage is set to [Offset Mode]. CPU Core Voltage Offset This item allows you to configure the input voltage for the CPU by the external voltage regulator. Configuration options: [Auto] [0.05] - [0.635] ROG STRIX Z490-E BIOS Manual...
- Page 37 To offset the voltage by a negative value. CPU Core Voltage Offset CPU Graphics Voltage Offset This item allows you to configure the input voltage for the CPU by the external voltage regulator. Configuration options: [Auto] [0.005] - [0.635] ROG STRIX Z490-E BIOS Manual...
- Page 38 DRAM DATA REF Voltage on CHB DIMM1 Rank0 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] DRAM DATA REF Voltage on CHB DIMM1 Rank1 BL0-7 Configures the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] ROG STRIX Z490-E BIOS Manual...
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Page 39: 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. ROG STRIX Z490-E BIOS Manual... -
Page 40: Platform Misc Configuration
This item allows you to select the PCI Express L1 Substates settings. Configuration options: [Disabled] [L1.1] [L1.1 & L1.2] PCI Express Clock Gating This item allows you to enable or disable PCI Express Clock Gating for each root port. Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual... -
Page 41: Cpu Configuration
Limit (RATL) feature. RATL allows setting an average max thermal temperature. Temperatures within the time window can get higher than the temperature threshold but only the average is used to cause frequency clipping. Configuration options: [Auto] [Disabled] [5 ms] - [448 sec] ROG STRIX Z490-E BIOS Manual... - Page 42 The CPU runs at a selected performance ratio based on CPU configuration. Configuration options: [Auto] [Max Battery] [Max Non-Turbo Performance] [Turbo Performance] Intel(R) SpeedStep(tm) This item allows more than two frequency to be supported. Configuration options: [Auto] [Enabled] [Disabled] ROG STRIX Z490-E BIOS Manual...
- Page 43 This item allows you to disable or enable the CPU C6 report to the operating system. Configuration options: [Enabled] [Disabled] CPU C7 Report This item allows you to disable or enable the CPU C7 report to the operating system. Configuration options: [CPU C7] [CPU C7s] [Disabled] ROG STRIX Z490-E BIOS Manual...
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Page 44: System Agent (Sa) Configuration
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] ROG STRIX Z490-E BIOS Manual... - Page 45 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] ROG STRIX Z490-E BIOS Manual...
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Page 46: Pch Configuration
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]. ROG STRIX Z490-E BIOS Manual... -
Page 47: Pch-Fw Configuration
SATA Hot Plug Support. Configuration options: [Disabled] [Enabled] PCH-FW Configuration This item allows you to configure the firmware TPM. This item allows you to enable or disable PTT in SkuMgr. Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual... -
Page 48: Thunderbolt(Tm) Configuration
When this item is set to [Enabled], BIOS generates software SMI to assign resource to TBT devices. Configuration options: [Disabled] [Enabled] ACPI Notify on TBT Hot-plug When this item is set to [Enabled], BIOS generates ACPI Notify. Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual... - Page 49 This item allows you to select the TBT Root Port Type. Configuration options: [PCH Root Port] [PEG Root Port] TBT Host Router This item allows you to enable host router based on ports available. Configuration options: [One Port] [Two Port] ROG STRIX Z490-E BIOS Manual...
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Page 50: Pci Subsystem Settings
OS Native support only, no RTD3. [Disabled] No OS native support. PCI Subsystem Settings SR-IOV Support This option enables or disables Single Root IO Virtualization Support if the system has SR- IOV capable PCIe devices. Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual... -
Page 51: Usb Configuration
USB Single Port Control This item allows you to enable or disable the individual USB ports. Refer to section Motherboard layout and Rear I/O connection in your motherboard’s user manual for the location of the USB ports. ROG STRIX Z490-E BIOS Manual... -
Page 52: Network Stack Configuration
Ipv4/Ipv6 PXE Support This item allows you to enable or disable the Ipv4/Ipv6 PXE wake event. Configuration options: [Disabled] [Enabled] 6.11 NVMe Configuration This menu displays the NVMe controller and Drive information of the connected devices. ROG STRIX Z490-E BIOS Manual... -
Page 53: Onboard Devices Configuration
This item allows you to enable or disable USB power when your PC is in the S5 state. Configuration options: [Disabled] [Enabled] Connectivity mode (Wi-Fi & Bluetooth) This item allows you to enable or disable Wi-Fi and Bluetooth connectivity module. Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual... - Page 54 This Auto Mode will allow M.2_2 to support either an NVMe M.2 device (running at PCIe X2). [X4 Mode] When X4 Mode is enabled, M.2_2 supports NVMe M.2 storage only (running at PCIe X4), and SATA port 5 and 6 will also be disabled. ROG STRIX Z490-E BIOS Manual...
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Page 55: Apm Configuration
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] ROG STRIX Z490-E BIOS Manual... -
Page 56: Hdd/Ssd Smart Information
This menu displays the SMART information of the connected devices. NVM Express devices do not support SMART information. 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. ROG STRIX Z490-E BIOS Manual... - Page 57 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.
- Page 58 CPU Fan Min. Duty Cycle(%) Use the <+> or <-> keys to adjust the minimum CPU fan duty cycle. When the temperature source is under the limit, the CPU fan will operate at the minimum duty cycle. ROG STRIX Z490-E BIOS Manual...
- Page 59 Sets to [Silent] to minimize the fan speed for quiet Chassis Fan 1-2 operation. [Turbo] Sets to [Turbo] to achieve maximum Chassis Fan 1-2 speed. [Manual] Sets to [Manual] to assign detailed fan speed control parameters. ROG STRIX Z490-E BIOS Manual...
- Page 60 The assigned fan will be controlled according to the selected temperature source. Configuration options: [CPU] [MotherBoard] [Chipset] [T_Sensor] [Multiple Sources] For Multiple Sources, select up to three temperature sources and the fan will automatically change based on the highest temperature. ROG STRIX Z490-E BIOS Manual...
- Page 61 M.2 Fan Min. Duty Cycle(%) Use the <+> or <-> keys to adjust the minimum M.2 Fan duty cycle. When the temperature source is under the limit, the M.2 Fan will operate at the minimum duty cycle. ROG STRIX Z490-E BIOS Manual...
- Page 62 WATER PUMP+ Min. Duty Cycle(%) Use the <+> or <-> keys to adjust the minimum WATER PUMP+ duty cycle. When the CPU temperature is under the limit, the WATER PUMP+ will operate at the minimum duty cycle. ROG STRIX Z490-E BIOS Manual...
- Page 63 Set this item to [Enabled] to enable the chassis intrusion detection function. Configuration options: [Enabled] [Disabled] CPU Temperature LED Switch This item allows you to turn the CPU Temperature LED on or off. Configuration options: [Enabled] [Disabled] ROG STRIX Z490-E BIOS Manual...
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Page 64: Boot Menu
Configuration options: [Ignore] [Legacy only] [UEFI only] 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] ROG STRIX Z490-E BIOS Manual... - Page 65 The PK file must be formatted as a UEFI variable structure with time-based authenticated variable. 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). ® ROG STRIX Z490-E BIOS Manual...
- Page 66 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. ROG STRIX Z490-E BIOS Manual...
- Page 67 ESC is pressed. Configuration options: [1 sec] – [10 sec] [Until Press ESC] Boot up NumLock State This item allows you to enable or disable keyboard NumLock during the system boot. Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual...
- Page 68 ® ® supported). • To select the boot device during system startup, press <F8> when ASUS Logo appears. Boot Override These item displays the available devices. The number of device items that appear on the screen depends on the number of devices installed in the system. Click an item to start booting from the selected device.
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Page 69: Tool Menu
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] ROG STRIX Z490-E BIOS Manual... -
Page 70: Asus Ez Flash 3 Utility
ASUS EZ Flash 3 Utility This item allows you to run ASUS EZ Flash 3. When you press <Enter>, a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press <Enter> to confirm your choice. -
Page 71: Asus User Profile
Key in a profile number from one to eight, press <Enter>, and then select Yes. 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. ROG STRIX Z490-E BIOS Manual... -
Page 72: Asus Spd Information
Windows OS. The Armoury Crate app can help you manage and download the ® latest ROG drivers and utilities for your motherboard. Download & Install ARMOURY CRATE app Configuration options: [Disabled] [Enabled] ROG STRIX Z490-E BIOS Manual... -
Page 73: Exit Menu
<Esc>, a confirmation window appears. Select Yes to discard changes and exit. Launch EFI Shell from USB drives This option allows you to attempt to launch the EFI Shell application (shellx64.efi) from one of the available filesystem devices. ROG STRIX Z490-E BIOS Manual... -
Page 74: Updating Bios
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. -
Page 75: Asus Ez Flash 3
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: Insert the USB flash drive that contains the latest BIOS file to a USB port. -
Page 76: Asus Crashfree Bios 3
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.com/support/ and save it to a USB flash drive.