BIOS Manual Motherboard ROG STRIX B450-F GAMING II
E18263 First Edition April 2021 Copyright© 2021 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. Knowing BIOS................................................................................................ 4 2. BIOS setup program...................................................................................... 5 2.1 Advanced Mode.............................................................................. 6 2.2 EZ Mode....................................................................................... 10 2.3 Q-Fan Control......................................................
BIOS Setup 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.
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.
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.
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. ReSize Bar This button allows you to turn ReSize BAR function on or off. [On] Enable ReSize BAR support to fully harness GPU memory. [Off] ReSize BAR support will be disabled. AURA ON/OFF(F4) This button allows you to turn the RGB LED lighting or functional LED on or off. [All On]: All LEDs (Aura or Functional) will be enabled.
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.
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.
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).
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. OC Setup OC Tuning To start OC Tuning: 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.
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 My Favorite (F3) from the BIOS screen to open Setup Tree Map screen. 2. On the Setup Tree Map screen, select the BIOS items that you want to save in My Favorites screen. Main menu panel Selected shortcut items Submenu panel Delete all favorite items Recover to default favorite items 3. Select an item from main menu panel, then click the submenu that you want to save or press on your keyboard.
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.
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.
5. Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking-related items. Be cautious when changing the settings of the Ai Tweaker menu items. Incorrect field values can cause the system to malfunction The configuration options for this section vary depending on the CPU and DIMM model you installed on the motherboard. Scroll down to display other BIOS items. Ai Overclock Tuner Allows you to select the CPU overclocking options to achieve the desired CPU internal frequency.
The following items appear only when Ai Overclocking Tuner is set to [Manual] or any of the [D.O.C.P.] options. BCLK Frequency This item allows you to set the BCLK frequency to enhance the system performance. Use the <+> or <-> to adjust the value. Configuration optoins: [Auto] [96] - [118] We recommend you to set the value based on the CPU specification, as high BCLK frequencies may damage the CPU permanently. The following item appears only when Ai Overclocking Tuner is set to any of the [D.O.C.P.
Core Preformance Boost This item allows you to enable or disable automatically overclocking the CPU and DRAm to enhance system performance. Configuration options: [Auto] [Enabled] [Disabled] SMT Mode This item allows you enable or disable symmetric multithreading (SMT). Select [Auto] to enable SMT. A full reboot of the system is needed for the [Auto] option to take effect and re-enable SMT. Configuration options: [Auto] [Enabled] [Disabled] If SMT is set to [Disabled], your system will not support S3 mode.
Precision Boost Overdrive The items in this sub-menu allow you to set the Precision Boost Overdrive settings. PBO Fmax Enhancer If this item is set to [Enabled], it potentially improves the peak frequencies (‘Fmax’) during single threaded workloads. Incompatible with the so-called ‘EDC tweak’. Configuration options: [Auto] [Disabled] [Enabled] PBO Fmax Enhancer If this item is set to [Enabled], it potentially improves the peak frequencies (‘Fmax’) during single threaded workloads.
Max CPU Boost Clock Override This item allows you to increase the maximum CPU frequency that may be automatically be achieved by the Precision Boost 2 algorithm. Configuration options: [Auto] [0] - [2000] Perform Thermal Throttle Limit This item allows you to decrease the maximum allowed processor temperature (Celsius). Configuration options: [Auto] [Manual] The following item appears only when Perform Thermal Throttle Limit is set to [Manual].
TwtrS Configuration options: [Auto] [2] - [14] TwtrL Configuration options: [Auto] [2] - [14] Twr Configuration options: [Auto] [10] - [81] Trcpage Configuration options: [Auto] [0] - [1023] TrdrdScl Configuration options: [Auto] [1] - [15] TwrwrScl Configuration options: [Auto] [1] - [63] Trfc Configuration options: [Auto] [60] - [990] Trfc2 Configuration options: [Auto] [60] - [990] Trfc4 Configuration options: [Auto] [60] - [990] Tcwl Configuration options: [Auto] [9] - [22] Trtp Configuration options: [
ProcODT Configuration options: [Auto] [High Impeedance] [480 ohm] [240 ohm] [160 ohm] [120 ohm] [96 ohm] [80 ohm] [68.6 ohm] [60 ohm] [53.3 ohm] [48 ohm] [43.6 ohm] [40 ohm] [36.9 ohm] [34.
VDDCR CPU Power Phase Control This item allows you to set the power phase control of the CPU. [Standard] Set to standard mode. [Optimized] Set to the ASUS optimized phase tuning profile. [Extreme] Set to the full phase mode. VDDCR CPU Switching Frequency Configuration options: [200] [250] [300 [350] DO NOT remove the thermal module. The thermal conditions should be monitored.
The following item appears only when CPU Core Voltage is set to [Manual Mode]. CPU Core Voltage Override Allows you to configure the CPU Core voltage. Use the <+> or <-> to adjust the value. Configuration options: [Auto] [0.750V] - [1.700V] The following items appear only when CPU Core Voltage is set to [Offset Mode]. CPU Offset Mode Sign [+] To offset the voltage by a positive value. [–] To offset the voltage by a negative value. CPU Core Voltage Offset Use the <+> or <-> to adjust the value.
VDDG IOD Voltage Control VDDG IOD represents voltage for the data portion of the Infinity Fabric. It is derived from the CPU SoC/Uncore Voltage (VDD_SOC). VDDG can approach but not exceed VDD_SOC. Configuration options: [Auto] [0.700] - [1.800] 1.05V SB Voltage This item allows you to set the core voltage for the Southbridge. Use the <+> or <-> to adjust the value. The values increment with an interval of 0.05V. Configuration options: [Auto] [1.05V] - [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. 6.1 Trusted Computing The items in this menu show the Trusted Computing Settings. Configuration Security Device Support Allows you to enable or disable the BIOS support for security device. O.S. will not show Security Device.
6.2 AMD fTPM configuration The items in this menu show the AMD fTPM configuration options. AMD fTPM switch This item allows you to enable or disable AMD CPU Firmware TPM. [Enabled] Enables AMD CPU fTPM. [Disabled] Disables AMD CPU fTPM. When Firmware TPM is set to disabled all saved data on it will be lost. Erase fTPM NV for factory reset This item allows you to enable or disable fTPM reset for newly installed CPUs.
6.3 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. PSS Support This item allows you enable or disable the generation of ACPI_PPC, _PSS, and _PCT objects. Configuration options: [Disabled] [Enabled] [Auto] NX Mode This item allows you enable or disable no-execute page protection function.
6.4 ROG Effects The items in this menu allows you customize effect settings for a better ROG experience. Onboard LED This item allows you to enable or disable the F_Panel LEDs. Configuration options: [Disabled] [Enabled] 6.5 SATA Configuration While entering Setup, the BIOS automatically detects the presence of SATA devices. The SATA Port items show Not Present if no SATA device is installed to the corresponding SATA port. Scroll down to display other BIOS items.
The following items appear only when SATA Port Enable is set to [Enabled]. SATA Mode Selection This item allows you to set the SATA configuration. [AHCI] Set to [AHCI] when you want the SATA hard disk drives to use the AHCI (Advanced Host Controller Interface). The AHCI allows the onboard storage driver to enable advanced Serial ATA features that increases storage performance on random workloads by allowing the drive to internally optimize the order of commands.
6.6 Onboard Devices Configuration The items in this menu allow you to switch between PCIe Lanes and configure onboard devices. Scroll down to display other BIOS items. HD Audio Controller This item allows you to use the Azalia High Definition Audio Controller. Configuration options: [Disabled] [Enabled] PCIEX16_1 Bandwidth [Auto Mode] The PCIe x16 slot runs at x16 mode. [PCIe RAID Mode] Up to four SSDs installed onto the Hyper M.2 X16 series card can be detected.
PCIEX16_1 Mode This item allows you to set the link speed for the first VGA slot. Configuration options: [Auto] [GEN 1] [GEN 2] [GEN 3] PCIEX16_2 Mode This item allows you to set the link speed for the second VGA slot. Configuration options: [Auto] [GEN 1] [GEN 2] [GEN 3] M.2_1 Link Mode This item allows you to set the M.2_1 Device link speed. Configuration options: [Auto] [GEN 1] [GEN 2] [GEN 3] M.2_2 Link Mode This item allows you to set the M.2_1 Device link speed.
Intel LAN Controller This item allows you to enable or disable the Intel LAN controllers. Configuration options: [Disabled] [Enabled] Intel LAN OPROM This item allows you to enable or disable the Intel LAN OPROM. Configuration options: [Disabled] [Enabled] Wi-Fi Controller This item allows you to enable or disable the Wi-Fi controller. Configuration options: [Disabled] [Enabled] Bluetooth Controller This item allows you to enable or disable the Bluetooth controller.
6.7 APM Configuration The items in this menu allow you to set system wake and sleep settings. 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] [Enable(S4+S5)] [Enable(S5)] Restore On AC Power Loss This item allows your system to go to ON state, OFF state, or both states after an AC power loss.
6.8 PCI Subsystem Settings The items in this menu show the CPU-related information that the BIOS automatically detects. Above 4G Decoding Allows you to enable or disable 64-bit capable devices to be decoded in above 4G address space. It only works if the system supports 64-bit PCI decoding. Configuration options: [Disabled] [Enabled] SR-IOV Support This option enables or disables Single Root IO Virtualization Support if the system has SRIOV capable PCIe devices.
Legacy USB Support [Enabled] Your system supports the USB devices in legacy operating systems. [Disabled] Your USB devices can only be used for EFI applications. [Auto] Your system automatically detects the presence of USB devices at startup. If any USB devices are detected, the legacy USB support is enabled. XHCI Hand-off [Enabled] Enables the support for operating systems without an XHCI hand‑off feature. [Disabled] Disables the XHCI Hand-off support.
6.11 HDD/SSD SMART Information This menu displays the SMART information of the connected devices. NVM Express devices do not support SMART information. 6.12 AMD Overclocking The items in this menu shows the AMD Overclocking Setup Page. Damage caused by use of your AMD processor outside of specification or in excess of factory settings are not covered by your system manufacturers warranty. The following items appear only when [Accept] is selected for AMD Overclocking.
CPU Voltage This item allows you to specify a custom CPU core voltage (mV). Must be combined with a custom CPU core frequency. Power saving features for idle cores (e.g. cc6 sleep) remain active. CPU Core Count Control The items in this submenu allow you to adjust core count by toggling active cores or SMT. SMT Control This item can be used to disable symmetric multithreading. To re-enable SMT, a POWER CYCLE is needed after selecting [Auto]. S3 is NOT SUPPORTED on systems where SMT is disabled.
CkeSetup This item allows you to setup time on CAD bus signals. CAD Bus Drive Strength User Controls This item allows you to set the CAD bus signals to Auto or Manual. Configuration options: [Auto] [Manual] The following items appear only when CAD Bus Drive Strength User Controls is set to [Manual]. ClkDrvStren Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] [24.0 Ohm] [20.0 Ohm] AddrCmdDrvStren Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] [24.
Infinity Fabric Frequency and Dividers Set Infinity Fabric frequency (FCLK) Auto: FCLK = MCLK. Manual: FCLK must be ≤ MCLK for best performance in most cases. Latency penalties are incurred if FCLK and MCLK are mismatched, but sufficiently high MCLK can negate or overcome this penalty.
Precision Boost Overdrive Scalar This item allows you to manually set, or disable the part runs with a scalar of customized value. Configuration options: [Auto] [Disabled] [Manual] The following items appear only when Precision Boost Overdrive Scalar is set to [Manual]. Precision Boost Overdrive Scalar This item overrides the AMD default silicon health management to potentially achieve higher sustained frequencies under CPU load.
SoC/Uncore OC Mode Configuration options: [Disabled] [Enabled] VDDP Voltage Control VDDP is a voltage for the DDR4 bus signaling (PHY), and it is derived from your DRAM Voltage (VDDIO_Mem). As a result, VDDP voltage in mV can approach but not exceed your DRAM Voltage. VDDP Voltage Control Configuration options: [Auto] [Manual] The following item appears only when VDDP Voltage Control is set to [Manual].
The following item appears only when VTT Voltage Control is set to [Enabled]. Adjust VTT MEM Value Configuration options: [113] - [143] NUMA nodes per socket NUMA nodes per socket Specifies the number of desired NUMA nodes per socket. Zero will attempt to interleave the two sockets together. Configuration options: [Auto] [NPS0] [NPS1] [NPS2] [NPS4] 6.13 AMD CBS The items in this menu shows the AMD Common BIOS Specifications.
Prefetcher settings L1 Stream HW Prefetcher This item allows you to enable or disable L1 Stream HW Prefetcher. Configuration options: [Auto] [Disabled] [Enabled] L2 Stream HW Prefetcher This item allows you to enable or disable L2 Stream HW Prefetcher. Configuration options: [Auto] [Disabled] [Enabled] Core Watchdog Core Watchdog Timer Enable This item allows you to enable or disable CPU Watchdog Timer.
The following items appear only when SEV-ES ASID Space Limit Control is set to [Manual]. SEV-ES ASID Space Limit SEV VMs using ASIDs below the SEV-ES ASID Space Limit must enable the SEV-ES feature. The vaild values for this field are from 0x1 (1) - 0x10 (16). Configuration options: [1] - [510] Streaming Stores Control This item allows you to enable or disable the streaming stores functionality.
Memory Addressing NUMA nodes per socket Specifies the number of desired NUMA nodes per socket. Zero will attempt to interleave the two sockets together. Configuration options: [Auto] [NPS0] [NPS1] [NPS2] [NPS4] Memory interleaving This item allows for disabling memory channel interleaving. Configuration options: [Disabled] [Auto] Memory interleaving size This item controls the memory interleaving size. The valid values are AUTO, 256 bytes, 512 bytes, 1 Kbytes, or 2 Kbytes.
ACPI SLIT local SLink distance Specify the distance to an SLink domain on the same socket. ACPI SLIT remote SLink distance Specify the distance to an SLink domain on the other socket. ACPI SLIT local inter-SLink distance Specify the distance between two SLink domains on the same socket. ACPI SLIT remote inter-SLink distance Specify the distance between two SLink domains, each on a different socket. Link GMI encryption control This item allows you to control the GMI link encryption.
Disable DF to external downstream IP SyncFloodPropagation Disables Error propagation to UMC or any downstream slaves e.g. FCH. Use this to avoid reset in failure scenario. Configuration options: [Sync flood disabled] [Sync flood enabled] [Auto] Disable DF Sync flood propagation Disables propagation from PIE to other DF components and eventually to SDP ports.
Trcdrd Specifies the RAS# Active to CAS# Read Delay Time. Configuration options: [Auto] [8 Clk] [9 Clk] [0Ah Clk] [0Bh Clk] [0Ch Clk] [0Dh Clk] [0Eh Clk] [0Fh Clk] [10h Clk] [11h Clk] [12h Clk] [13h Clk] [14h Clk] [15h Clk] [16h Clk] [17h Clk] [18h Clk] [19h Clk] [1Ah Clk] [1Bh Clk] Trcdwr Specifies the RAS# Active to CAS# Write Delay Time.
TwtrS Specifies the Minimum Write to Read Time, different bank group. Configuration options: [Auto] [2 Clk] [3 Clk] [4 Clk] [5 Clk] [6 Clk] [7 Clk] [8 Clk] [9 Clk] [0Ah Clk] [0Bh Clk] [0Ch Clk] [0Dh Clk] [0Eh Clk] TwtrL Specifies the Minimum Write to Read Time, same bank group. Configuration options: [Auto] [2 Clk] [3 Clk] [4 Clk] [5 Clk] [6 Clk] [7 Clk] [8 Clk] [9 Clk] [0Ah Clk] [0Bh Clk] [0Ch Clk] [0Dh Clk] [0Eh Clk] Twr Ctrl Specifies Twr.
The following item appears only when Trfc Ctrl is set to [Manual]. Trfc Specifies the Refresh Recovery Delay Time (tRFC1). Valid values 3DEh3Ch. Trfc2 Ctrl Specifies Trfc2. Configuration options: [Auto] [Manual] The following item appears only when Trfc2 Ctrl is set to [Manual]. Trfc2 Specifies the Refresh Recovery Delay Time (tRFC2). Valid values 3DEh3Ch. Trfc4 Ctrl Specifies Trfc4. Configuration options: [Auto] [Manual] The following item appears only when Trfc4 Ctrl is set to [Manual].
Twrrd Specifies the Write to Read turnaround timing. Configuration options: [Auto] [1 Clk] [2 Clk] [3 Clk] [4 Clk] [5 Clk] [6 Clk] [7 Clk] [8 Clk] [9 Clk] [0Ah Clk] [0Bh Clk] [0Ch Clk] [0Dh Clk] [0Eh Clk] [0Fh Clk] TwrwrSc Specifies the Write to Write turnaround timing in the same chipselect.
Disable Burst/Postponed Refresh Configuration options: [Auto] [Enabled] The following items appear only when Disable Burst/Postponed Refresh is set to [Enabled]. SubUrgRefLowerBound Specifies the stored refresh limit to required enter sub-urgent refresh mode. Valid value: 6 ~ 1 UrgRefLimit Specifies the stored refresh limit to required enter urgent refresh mode. Valid value: 6 ~ 1 DRAM Maximum Activate Count Override DIMM SPD Byte 7 [3:0] Maximum Activate Count (MAC). Auto is based on SPD setting.
The following items appear only when CAD Bus Drive Strength User Controls is set to [Manual]. ClkDrvStren Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] [24.0 Ohm] [20.0 Ohm] AddrCmdDrvStren Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] [24.0 Ohm] [20.0 Ohm] CsOdtDrvStren Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.0 Ohm] [24.0 Ohm] [20.0 Ohm] CkeDrvStren Configuration options: [Auto] [120.0 Ohm] [60.0 Ohm] [40.0 Ohm] [30.
The following items appear only when DRAM Address Command Parity Retry is set to [Enabled]. Max Parity Error Replay Configuration options: [0] - [39] Write CRC Enable Configuration options: [Enabled] [Disabled] [Auto] DRAM Write CRC Enable and Retry Limit Configuration options: [Enabled] [Disabled] [Auto] The following items appear only when DRAM Write CRC Enable and Retry Limit is set to [Enabled].
PMU Pattern Bits Control Configuration options: [Auto] [Manual] The following item appears only when you set PMU Pattern Bits Control to [Manual]. PMU Pattern Bits Configuration options: [0] - [A] MR6VrefDQ Control Configuration options: [Auto] [Manual] The following item appears only when you set MR6VrefDQ Control to [Manual].
Address Hash CS This item allows you to enable or disable CS address hashing. Configuration options: [Enabled] [Disabled] [Auto] Address Hash Rm This item allows you to enable or disable RM address hashing. Configuration options: [Enabled] [Disabled] [Auto] SPD Read Optimization This item allows you to enable or disable SPD Read Optimization, if set to [Enabled], SPD reads are skipped for Reserved fields and most of upper 256 Bytes. If set to [Disabled], read all 512 SPD Bytes.
The following items appear only when Aggressor Static Lane Control is set to [Enabled]. Aggressor Static Lane Select Upper 32 bits Static Lane Select for Upper 32 bits. The bit mask represents the bits to be read. Aggressor Static Lane Select Lower 32 bits Static Lane Select for Lower 32 bits. The bit mask represents the bits to be read. Aggressor Static Lane Select ECC Static Lane Select for ECC Lanes. The bit mask represents the bits to be read.
NBIO Common Options IOMMU This item allows you to enable or disable IOMMU. Configuration options: [Auto] [Disabled] [Enabled] XFR Enhancement Damage caused by use of your AMD processor outside of specification or in excess of factory settings are not covered by your system manufacturers warranty. The following items appear only when [Accept] is selected for XFR Enhancement. Precision Boost Overdrive [Auto] Auto. [Disable] Stock board values for standard IRM.
FCLK Frequency This item allows you to specify the FCLK frequency. Configuration options: [Auto] [667MHz] - [4000MHz] SOC OVERCLOCK VID Specifies the Voltage ID (VID) value for VDDR_SOC to support overclocking. Configuration options: [0] - [99] UCLK DIV1 MODE Configuration options: [Auto] [UCLK==MEMCLK] [UCLK==MEMCLK/2] VDDP Voltage Control This item allows you to set a customized VDDP voltage.
PCIe ARI Enumeration ARI Forwarding Enable for each downstream port. Configuration options: [Disabled] [Enabled] [Auto] PCIe Ten Bit Tag Support This item enables PCIe ten bit tags for supported devices. [Auto] = [Disabled]. Configuration options: [Disable] [Enable] [Auto] SMU Common Options Max Voltage Offset This item allows you to limit maximum CPU voltage for compact coolers, small form factor, or performance tuning.
CPPC Preferred Cores [Enabled] CPPC highest capability register of each thread will have a different value to express the AMD recommended scheduling order to OS. CPPC must be enabled for this parameter to have effect. [Disabled] Does not declare AMD preferred scheduling order to OS. [Auto] Auto. NBIO LCLK DPM NBIO DPM Control This setting controls how the NBIO Power Management is controlled. [Auto] Default SMU control. [Manual] Allows individual NBIO DPM Levels to be set.
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, PCH Temperature, T_Sensor Temperature [xxx°C/xxx°F] The onboard hardware monitor automatically detects and displays the CPU, motherboard, PCH, and T-Sensor temperatures. Select [Ignore] if you do not wish to display the detected temperatures.
CPU Fan Q-Fan Control This item allows you to set the CPU Fan Q-Fan operating mode. [Auto] Detects the type of fan/pump installed and automatically switches the control modes. [PWM Mode] Enables the CPU Q-Fan Control feature in PWM mode for 4-pin CPU fan/pump. [DC Mode] Enables the CPU Q-Fan Control feature in DC mode for 3-pin CPU fan/pump. [Disabled] Disables the Q-Fan Control. The following items appear only when you set the CPU Fan Q-Fan Control to [Auto], [PWM Mode], and [DC Mode].
CPU Fan Max. Duty Cycle (%) Use the <+> or <-> keys to adjust the maximum CPU fan duty cycle. When the temperature source reaches the upper limit, the CPU fan/pump will operate at the maximum duty cycle. CPU Fan Middle Temperature Use the <+> or <-> keys to adjust the middle limit of the CPU temperature. CPU Fan Middle. Duty Cycle (%) Use the <+> or <-> keys to adjust the CPU fan middle duty cycle. CPU Fan Lower Temperature Use the <+> or <-> keys to adjust the lower limit of the CPU temperature.
Chassis Fan 1-3 Speed Low Limit This item allows you to set the lower speed limit for assigned fan/pump. A warning message will appear when the limit is reached. Select [Ignore] if you do not wish to see the warning message in the future. Configuration options: [Ignore] [200 RPM] [300 RPM] [400 RPM] [500 RPM] [600 RPM] Chassis Fan 1-3 Profile This item allows you to set the appropriate performance level of the Chassis Fan.
AIO PUMP Q-Fan Control [Disabled] Disable the AIO PUMP control feature. [Auto] Detects the type of fan/pump installed and automatically switches the control modes. [DC mode] Enable the AIO PUMP control in DC mode for 3-pin fan/pump. [PWM mode] Enable the AIO PUMP control in PWM mode for 4-pin fan/pump. • The following items appear only when AIO PUMP Q-Fan Control is set to [Auto], [DC mode] or [PWM mode]. • We suggest raising your fan/pump duty to 100% if your CPU temperature exceeds 75°C.
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 item appears only when you set Fast Boot to [Enabled]. NVMe Support If this item is set to [Disabled], NVMe device will be skipped.
The following item appears only when you set Boot Logo Display to [Enabled]. 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 Boot Logo Display to [Disabled]. Post Report This item allows you to select a desired POST report waiting time.
The following items appear only when you set Launch CSM to [Enabled]. Boot Device 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. Details This item allows you to view the details of the PK. Save to file This item allows you to save the PK to a USB storage device. Set New key This item allows you to load the downloaded PK from a USB storage device. Delete key This item allows you to delete the PK from your system.
Save to file This item allows you to save the db to a USB storage device. Set New key This item allows you to load the downloaded db from a USB storage device. DBX Management The Forbidden Signature database (dbx) lists the forbidden images of db items that are no longer trusted and cannot be loaded. Details This item allows you to view the details of the dbx. Save to file This item allows you to save the dbx to a USB storage device.
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 Configuration options: [Disabled] [Enabled] 9.1 ASUS EZ Flash 3 Utility This item allows you to run ASUS EZ Flash 3. When you press , a confirmation message appears. Use the left/right arrow key to select between [Yes] or [No], then press to confirm your choice. For more details, refer to section ASUS EZ Flash 3.
9.2 ASUS Secure Erase SSD speeds may lower over time as with any storage medium due to data processing. Secure Erase completely and safely cleans your SSD, restoring it to factory performance levels. To launch Secure Erase, click Tool > Secure Erase on the Advanced mode menu. • The time to erase the contents of your SSD may take a while depending on its size. Do not turn off the system during the process. • Secure Erase is only supported on Intel SATA port.
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.
9.4 ASUS SPD Information This item allows you to view the DRAM SPD information. 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.
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.
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.
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.
11.2 Updating BIOS ASUS EZ Flash 3 allows you to download and update to the latest BIOS using a USB drive. 1. Insert the USB flash drive that contains the latest BIOS file to a USB port. 2. Enter the Advanced Mode of the BIOS setup program. Go to the Tool menu to select ASUS EZ Flash 3 Utility and press . 3. Press the Left arrow key to switch to the Drive field. 4. Press the Up/Down arrow keys to find the USB flash drive that contains the latest BIOS, and then press . 5.
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.
