GIGABYTE AMD X670/B650 Series Gaming Motherboards User Guide

The Main Menu

Advanced Mode
The Advanced Mode provides detailed BIOS settings. You can press the arrow keys on your keyboard to move among the items and press to accept or enter a sub-menu. Or you can use your mouse to select the item you want .

Advanced Mode Function Keys

B. Easy Mode
Easy Mode allows users to quickly view their current system information or to make adjustments for optimum performance. In Easy Mode, you can use your mouse to move through configuration items or press to switch to the Advanced Mode screen.

Smart Fan 6

Use the function key to quickly switch to this screen. This screen allows you to configure fan speed related settings for each fan header or monitor your system/CPU temperature.

• TUNE ALL
  Allows you to apply the current settings to all fan headers.

• Temperature
  Displays the current temperature of the selected target area.

• Fan Speed
  Displays current fan/pump speeds.

• Flow Rate
  Displays the flow rate of your water cooling system. Press on Fan Speed to switch to this function.

• Fan Speed Control
  Allows you to determine whether to enable the fan speed control function and adjust the fan speed.

  • Normal Allows the fan to run at different speeds according to the temperature.
  • Silent Allows the fan to run at slow speeds.
  • Manual Allows you to drag the curve nodes to adjust fan speed. Or you can use the EZ Tuning feature. After adjusting the node position, press Apply to automatically calculate the slope of the curve.
  • Full Speed Allows the fan to run at full speeds.

• Fan Control Use Temperature Input
  Allows you to select the reference temperature for fan speed control.

• Temperature Interval
  Allows you to select the temperature interval for fan speed change.

• FAN/PUMP Control Mode

  • Auto Lets the BIOS automatically detect the type of fan installed and sets the optimal control mode.
  • Voltage Voltage mode is recommended for a 3-pin fan/pump.
  • PWM PWM mode is recommended for a 4-pin fan/pump.

• FAN/PUMP Stop
  Enables or disables the fan/pump stop function. You can set the temperature limit using the temperaturecurve. The fan or pump stops operation when the temperature is lower than the limit.

• FAN/PUMP Mode
  Allows you to set the operating mode for the fan.

  • Slope Adjusts the fan speed linearly based on the temperature.
  • Stair Adjusts the fan speed stepwise based on the temperature.

• FAN/PUMP Fail Warning
  Allows the system to emit warning sound if the fan/pump is not connected or fails. Check the fan/pump condition or fan/pump connection when this occurs.

• Save Fan Profile (F3)
  This function allows you to save the current settings to a profile. You can save the profile in the BIOS or select Select File in HDD/FDD/USB to save the profile to your storage device.

• Load Fan Profile (F4)
  This function allows you to load a previously saved BIOS profile without the hassles of reconfiguring the BIOS settings. Or you can select Select File in HDD/FDD/USB to load a profile from your storage device.

Favorites (F11)
Set your frequently used options as your favorites and use the key to quickly switch to the page where all of your favorite options are located. To add or remove a favorite option, go to its original page and press on the option. The option is marked with a star sign if set as a “favorite.”

Tweaker

Whether the system will work stably with the overclock/overvoltage settings you made is dependent on your overall system configurations. Incorrectly doing overclock/overvoltage may result in damage to CPU, chipset, or memory and reduce the useful life of these components. This page is for advanced users only and we recommend you not to alter the default settings to prevent system instability or other unexpected results. (Inadequately altering the settings may result in system’s failure to boot. If this occurs, clear the CMOS values and reset the board to default values.)

• CPU Clock Control
  Allows you to manually set the CPU base clock in 1 MHz increments.
  Important: It is highly recommended that the CPU frequency be set in accordance with the CPU specifications.

• Async CPU/PCIe Clock
  Allows for asynchronous CPU/PCIe clock.

• CPU Ratio Mode
  Allows you to set the core ratio for all CPU cores or individual cores.

• CCD0 CCX0/1 Ratio
  Allows you to manually set the core ratio for the CPU CCX0, 1 cores. This item is configurable only when CPU Ratio Mode is set to Per CCX.

• CPU Clock Ratio
  Allows you to alter the clock ratio for the installed CPU. The adjustable range is dependent on the CPU being installed.

• Active OC Tuner
  Enables or disables the Active OC Tuner feature.

• GFX Clock Frequency
  Allows you to alter the frequency for the GPU.
  NOTE: The adjustable range is dependent on the CPU being installed. Auto lets the BIOS automatically configure this setting.
  Some of the BIOS settings are available only when the motherboard chipset and the CPU/memory used support the feature. For more information about AMD CPUs’ unique features, please visit AMD’s website.

• Precision Boost Overdrive(PBO) Enhancement
  Offers five boost levels for three targeted 90/80/70 °C CPU temperature. One can choose the most suitable thermal limit/boost level combinations to reach higher CPU frequency. Note: Workable settings/results may vary by different CPUs’ condition.

Advanced CPU Settings

• Core Performance Boost
  Allows you to determine whether to enable the Core Performance Boost (CPB) technology, a CPU performance-boost technology.

• SVM Mode
  Virtualization enhanced by Virtualization Technology will allow a platform to run multiple operating systems and applications in independent partitions. With virtualization, one computer system can function as multiple virtual systems.

• PSS Support
  Enables or disables the generation of ACPI_PPC, _PSS, and _PCT objects.

• PPC Adjustment
  Allows you to fix the PState of the CPU.

• Global C-state Control
  Allows you to determine whether to let the CPU enter C states. When enabled, the CPU core frequency will be reduced during system halt state to decrease power consumption.

• Power Supply Idle Control
  Enables or disables Package C6 State.

  • Typical Current Idle Disables this function.
  • Low Current Idle Enables this function.
  • Auto Lets the BIOS automatically configure this setting.

• SMT Mode
  Allows you to enable or disable the CPU Simultaneous Multi-Threading technology.

Precision Boost Overdrive
Allows you to determine whether to automatically increase CPU clock and working performance.

• Power Slow Slew Rate
  Allows you to select a different level of Power Slot Slew Rate.

• DDR5 Auto Booster
  Enables or disables the DDR5 Dynamic Turbo Boost feature, which allows automatic switching between default frequency and boosted frequency. Auto lets the BIOS automatically configure this setting.

• XMP/EXPO Profile
  Allows the BIOS to read the SPD data on XMP/EXPO memory module(s) to enhance memory performance when enabled. Selections are available only when an XMP or EXPO memory module is installed.

• System Memory Multiplier
  Allows you to set the system memory multiplier. Auto sets memory multiplier according to memory SPD data.

• Infinity Fabric Frequency and Dividers
  Allows you to set the FCLK frequency.

• UCLK DIV1 MODE
  Allows you to specify the UCLK DIV1 mode.

Advanced Memory Settings

• Memory Subtimings

  • Standard Timing Control, Advanced Timing Control, Data Bus Configuration
    These sections provide memory timing settings. Note: Your system may become unstable or fail to boot after you make changes on the memory timings. If this occurs, please reset the board to default values by loading optimized defaults or clearing the CMOS values.

  • SPD Info
    Displays information on the installed memory.

  • SPD Setup
    Allows you to configure memory parameters for the installed memory.

  • Power Down Enable
    Enables or disables Power Down support.

  • Gear Down Mode
    Enables or disables Gear Down mode.

  • Memory Context Restore
    Allows you to configure the memory context restore mode. When enabled, DRAM re-retraining is avoided when possible and the POST latency is minimized.

  • CPU Vcore/Dynamic Vcore(DVID)/VCORE SOC/Dynamic VCORE SOC(DVID)/CPU_ VDDIO_MEM/DDR_VDD Voltage/DDR_VDDQ Voltage/DDR_VPP Voltage
    These items allow you to adjust the CPU Vcore and memory voltages. The displayed items and values may vary depending on motherboard chipset and the CPU used.

  • Advanced Voltage Settings
    Allows you to adjust the VDDG/VDDP and other voltage settings.

  • CPU/VRM Settings
    This submenu allows you to configure Load-Line Calibration level.

Settings

Platform Power

• AC BACK
  Determines the state of the system after the return of power from an AC power loss.

  • Memory The system returns to its last known awake state upon the return of the AC power.
  • Always On The system is turned on upon the return of the AC power.
  • Always Off The system stays off upon the return of the AC power.

• ErP
  Determines whether to let the system consume least power in S5 (shutdown) state.
  Note: When this item is set to Enabled, the Resume by Alarm function becomes unavailable.

• Soft-Off by PWR-BTTN
  Configures the way to turn off the computer in MS-DOS mode using the power button.

  • Instant-Off Press the power button and then the system will be turned off instantly.
  • Delay 4 Sec. Press and hold the power button for 4 seconds to turn off the system. If the power button is pressed for less than 4 seconds, the system will enter suspend mode.

• Power Loading
  Enables or disables dummy load. When the power supply is at low load, a self- protection will activate causing it to shutdown or fail. If this occurs, please set to Enabled. Auto lets the BIOS automatically configure this setting.

• Resume by Alarm
  Determines whether to power on the system at a desired time. If enabled, set the date and time as following:

  • Wake up day: Turn on the system at a specific time on each day or on a specific day in a month.
  • Wake up hour/minute/second: Set the time at which the system will be powered on automatically.
    Note: When using this function, avoid inadequate shutdown from the operating system or removal of the AC power, or the settings may not be effective.

IO Ports

• Initial Display Output
  Specifies the first initiation of the monitor display from the installed PCI Express graphics card or the onboard graphics.

  • IGD Video Sets the onboard graphics as the first display. (This item is present only when you install a CPU that supports this feature.)
  • PCIe 1 Slot Sets the graphics card on the PCIEX16 slot as the first display.

• Integrated Graphics
  Enables or disables the onboard graphics function.

  • Auto The BIOS will automatically enable or disable the onboard graphics depending on the graphics card being installed.
  • Forces Enables the onboard graphics.
  • Disabled Disables the onboard graphics.

• UMA Mode
  Specify the UMA mode.

  • Auto Lets the BIOS automatically configure this setting.
  • UMA Specified Sets the UMA Frame Buffer Size.
  • UMA Auto Sets the display resolution.
  • UMA Game Optimized Adjusts the frame buffer size based on the total system memory size.
    This item is configurable only when Integrated Graphics is set to Forces.

• UMA Frame Buffer Size
  Frame buffer size is the total amount of system memory allocated solely for the onboard graphics controller. MS-DOS, for example, will use only this memory for display. Options are: Auto, 64M~16G. This item is configurable only when UMA Mode is set to UMA Specified.

• HD Audio Controller
  Enables or disables the onboard audio function. If you wish to install a 3rd party add-in audio card instead of using the onboard audio, set this item to Disabled.

• PCIEX16 Bifurcation
  Allows you to determine how the bandwidth of the PCIEX16 slot is divided. The adjustable range may vary by CPU.

• Above 4G Decoding
  Enables or disables 64-bit capable devices to be decoded in above 4 GB address space (only if your system supports 64-bit PCI decoding). Set to Enabled if more than one advanced graphics card are installed and their drivers are not able to be launched when entering the operating system (because of the limited 4 GB memory address space).

• Re-Size BAR Support
  Enables or disables support for Resizable BAR.

• SR-IOV Support
  Enables or disables support for Single Root I/O Virtualization (SR-IOV).

• Onboard LAN Controller
  Enables or disables the onboard LAN function. If you wish to install a 3rd party add-in network card instead of using the onboard LAN, set this item to Disabled.

Gigabyte Utilities Downloader Configuration

• Gigabyte Utilities Downloader Configuration
  Allows you to determine whether to automatically download and install GIGABYTE Control Center after entering the operating system. Before the installation, make sure the system is connected to the Internet.

USB Configuration

• Legacy USB Support
  Allows USB keyboard/mouse to be used in MS-DOS.

• XHCI Hand-off
  Determines whether to enable XHCI Hand-off feature for an operating system without XHCI Hand-off support.

• USB Mass Storage Driver Support
  Enables or disables support for USB storage devices.

• Port 60/64 Emulation
  Enables or disables emulation of I/O ports 64h and 60h. This should be enabled for full legacy support for USB keyboards/mice in MS-DOS or in operating system that does not natively support USB devices.

• Mass Storage Devices
  Displays a list of connected USB mass storage devices. This item appears only when a USB storage device is installed.

NVMe Configuration
Displays information on your M.2 NVME PCIe SSD if installed.

SATA Configuration

• SATA Mode
  Enables or disables RAID for the SATA controllers integrated in the Chipset or configures the SATA controllers to AHCI mode.

  • RAID Enables RAID for the SATA controller.
  • AHCI Configures the SATA controllers to AHCI mode. Advanced Host Controller Interface (AHCI) is an interface specification that allows the storage driver to enable advanced Serial ATA features such as Native Command Queuing and hot plug.

• NVMe RAID mode
  Allows you to determine whether to use your M.2 NVMe PCIe SSDs to configure RAID.

• Chipset SATA Port Enable
  Enables or disables the integrated SATA controllers.

• Chipset SATA Port Hot plug
  Enables or disable the hot plug capability for each SATA port.

• Chipset SATA Port
  Displays the information of the connected SATA device(s).

Network Stack Configuration

• Network Stack
  Disables or enables booting from the network to install a GPT format OS, such as installing the OS from the Windows Deployment Services server.

• IPv4 PXE Support
  Enables or disables IPv4 PXE Support. This item is configurable only when Network Stack is enabled.

• IPv4 HTTP Support
  Enables or disables HTTP boot support for IPv4. This item is configurable only when Network Stack is enabled.

• IPv6 PXE Support
  Enables or disables IPv6 PXE Support. This item is configurable only when Network Stack is enabled.

• IPv6 HTTP Support
  Enables or disables HTTP boot support for IPv6. This item is configurable only when Network Stack is enabled.

• PXE boot wait time
  Allows you to configure how long to wait before you can press to abort the PXE boot. This item is configurable only when Network Stack is enabled.

• Media detect count
  Allows you to set the number of times to check the presence of media. This item is configurable only when Network Stack is enabled.

Ethernet Controller / PCIe GBE Family Controller
This sub-menu provides information on LAN configuration and related configuration options.

Miscellaneous

• LEDs in System Power On State
  Allows you to enable or disable motherboard LED lighting when the system is on.

  • Off Disables the selected lighting mode when the system is on.
  • On Enables the selected lighting mode when the system is on.

• LEDs in Sleep, Hibernation, and Soft Off States
  Allows you to set the lighting mode of the motherboard LEDs in system S3/S4/S5 state. This item is configurable when LEDs in System Power On State is set to On.

  • Off Disables the selected lighting mode when the system enters S3/S4/S5 state.
  • On Enables the selected lighting mode when the system enters S3/S4/S5 state.

• Onboard Button Light
  Allows you to enable or disable the LED lighting of the onboard quick buttons when the system is on.

• PCIEX16 Slot Link Speed
  Allows you to set the operation mode of the PCIEX16 slot. Actual operation mode is subject to the hardware specification of each slot. Auto lets the BIOS automatically configure this setting.

• PCIEX4 Slot Link Speed
  Allows you to set the operation mode of the PCIEX4 slot. Actual operation mode is subject to the hardware specification of each slot. Auto lets the BIOS automatically configure this setting.

• PCIEX2 Slot Link Speed
  Allows you to set the operation mode of the PCIEX2 slot. Actual operation mode is subject to the hardware specification of each slot. Auto lets the BIOS automatically configure this setting.

• PCIe Slot Link Speed
  Allows you to set the operation mode of the PCI Express slots and M.2 connectors. Actual operation mode is subject to the hardware specification of each slot. Auto lets the BIOS automatically configure this setting.

• PCIe ASPM Mode
  Allows you to configure the ASPM mode for the device connected to the CPU/Chipset PCI Express bus.

• 3DMark01 Enhancement
  Allows you to determine whether to enhance some legacy benchmark performance.

• IOMMU
  Enables or disables AMD IOMMU support.

• TSME
  Enables or disables TSME support.

• TPM switch
  Enables or disables the TPM 2.0 function provided by the TPM module (optional) installed in the SPI_TPM header on the motherboard or that integrated in the AMD CPU.

Trusted Computing 2.0
Enables or disables Trusted Platform Module (TPM).

AMD CBS
This sub-menu provides AMD CBS-related configuration options.

AMD Overclocking
This sub-menu provides AMD overclocking-related configuration options.

PC Health

• Reset Case Open Status

  • Disabled Keeps or clears the record of previous chassis intrusion status.
  • Enabled Clears the record of previous chassis intrusion status and the Case Open field will show “No” at next boot.

• Case Open
  Displays the detection status of the chassis intrusion detection device attached to the motherboard CI header. If the system chassis cover is removed, this field will show “Yes”, otherwise it will show “No”. To clear the chassis intrusion status record, set Reset Case Open Status to Enabled, save the settings to the CMOS, and then restart your system.

• CPU Vcore/CPU VCORE MISC/CPU VDD18/PM VDD1V/+3.3V/+5V/PM VCC18/+12V/CPU VCORE SOC
  Displays the current system voltages.

System Info

This section provides information on your motherboard model and BIOS version. You can also select the default language used by the BIOS and manually set the system time.

• System Language
  Selects the default language used by the BIOS.

• System Date
  Sets the system date. The date format is week (read-only), month, date, and year. Use to switch between the Month, Date, and Year fields and use the or key to set the desired value.

• System Time
  Sets the system time. The time format is hour, minute, and second. For example, 1 p.m. is 13:00:00. Use to switch between the Hour, Minute, and Second fields and use the or key to set the desired value.

• Access Level
  Displays the current access level depending on the type of password protection used. (If no password is set, the default will display as Administrator.) The Administrator level allows you to make changes to all BIOS settings; the User level only allows you to make changes to certain BIOS settings but not all.

Plug in Devices Info
Displays information on your PCI Express and M.2 devices if installed.

SPD Info
Displays information on the installed memory.

Q-Flash
Allows you to access the Q-Flash utility to update the BIOS or back up the current BIOS configuration.

Boot

• Boot Option Priorities
  Specifies the overall boot order from the available devices. Removable storage devices that support GPT format will be prefixed with “UEFI:” string on the boot device list. To boot from an operating system that supports GPT partitioning, select the device prefixed with “UEFI:” string. Or if you want to install an operating system that supports GPT partitioning such as Windows 11 64-bit, select the optical drive that contains the Windows 11 64-bit installation disc and is prefixed with “UEFI:” string.

• Bootup NumLock State
  Enables or disables Numlock feature on the numeric keypad of the keyboard after the POST.

• Security Option
  Specifies whether a password is required every time the system boots, or only when you enter BIOS Setup. After configuring this item, set the password(s) under the Administrator Password/User Password item.

  • Setup A password is only required for entering the BIOS Setup program.
  • System A password is required for booting the system and for entering the BIOS Setup program.

• Full Screen LOGO Show
  Allows you to determine whether to display the GIGABYTE Logo at system startup. Disabled skips the GIGABYTE Logo when the system starts up.

• Fast Boot
  Enables or disables Fast Boot to shorten the OS boot process. Ultra Fast provides the fastest bootup speed.

• SATA Support

  • Last Boot SATA Devices Only Except for the previous boot drive, all SATA devices are disabled before the OS boot process completes.
  • All SATA Devices All SATA devices are functional in the operating system and during the POST.
  • This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.

• NVMe Support
  Allows you to enable or disable NVMe device(s). This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.

• VGA Support
  Allows you to select which type of operating system to boot.

  • Auto Enables legacy option ROM only.
  • EFI Driver Enables EFI option ROM.
    This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.

• USB Support

  • Disabled All USB devices are disabled before the OS boot process completes.
  • Full Initial All USB devices are functional in the operating system and during the POST.
  • Partial Initial Part of the USB devices are disabled before the OS boot process completes.
    This item is configurable only when Fast Boot is set to Enabled. This function is disabled when Fast Boot is set to Ultra Fast.

• NetWork Stack Driver Support

  • Disabled Disables booting from the network.
  • Enabled Enables booting from the network.
    This item is configurable only when Fast Boot is set to Enabled or Ultra Fast.

• CSM Support
  Enables or disables UEFI CSM (Compatibility Support Module) to support a legacy PC boot process.

  • Disabled Disables UEFI CSM and supports UEFI BIOS boot process only.
  • Enabled Enables UEFI CSM.

• LAN PXE Boot Option ROM
  Allows you to select whether to enable the legacy option ROM for the LAN controller. This item is configurable only when CSM Support is set to Enabled.

• Storage Boot Option Control
  Allows you to select whether to enable the UEFI or legacy option ROM for the storage device controller.

  • Disabled Disables option ROM.
  • UEFI Only Enables UEFI option ROM only.
  • Legacy Only Enables legacy option ROM only.
    This item is configurable only when CSM Support is set to Enabled.

• Other PCI Device ROM Priority
  Allows you to select whether to enable the UEFI or Legacy option ROM for the PCI device controller other than the LAN, storage device, and graphics controllers.

  • Disabled Disables option ROM.
  • UEFI Only Enables UEFI option ROM only.
  • Legacy Only Enables legacy option ROM only.
    This item is configurable only when CSM Support is set to Enabled.

• Administrator Password
  Allows you to configure an administrator password. Press on this item, type the password, and then press . You will be requested to confirm the password. Type the password again and press . You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. Differing from the user password, the administrator password allows you to make changes to all BIOS settings.

• User Password
  Allows you to configure a user password. Press on this item, type the password, and then press . You will be requested to confirm the password. Type the password again and press . You must enter the administrator password (or user password) at system startup and when entering BIOS Setup. However, the user password only allows you to make changes to certain BIOS settings but not all. To cancel the password, press on the password item and when requested for the password, enter the correct one first. When prompted for a new password, press without entering any password. Press again when prompted to confirm.
  NOTE: Before setting the User Password, be sure to set the Administrator Password first.

Secure Boot
Allows you to enable or disable Secure Boot and configure related settings. This item is configurable only when CSM Support is set to Disabled.

• Preferred Operating Mode
  Allows you to select whether to enter Easy mode or Advanced mode after entering BIOS Setup. Auto enters the BIOS mode where it was last time.

Save & Exit

• Save & Exit Setup
  Press on this item and select Yes. This saves the changes to the CMOS and exits the BIOS Setup program. Select No or press to return to the BIOS Setup Main Menu.

• Exit Without Saving
  Press on this item and select Yes. This exits the BIOS Setup without saving the changes made in BIOS Setup to the CMOS. Select No or press to return to the BIOS Setup Main Menu.

• Load Optimized Defaults
  Press on this item and select Yes to load the optimal BIOS default settings. The BIOS defaults settings help the system to operate in optimum state. Always load the Optimized defaults after updating the BIOS or after clearing the CMOS values.

• Boot Override
  Allows you to select a device to boot immediately. Press on the device you select and select Yes to confirm. Your system will restart automatically and boot from that device.

• Save Profiles
  This function allows you to save the current BIOS settings to a profile. You can create up to 8 profiles and save as Setup Profile 1~ Setup Profile 8. Press to complete. Or you can select Select File in HDD/FDD/USB to save the profile to your storage device.

• Load Profiles
  If your system becomes unstable and you have loaded the BIOS default settings, you can use this function to load the BIOS settings from a profile created before, without the hassles of reconfiguring the BIOS settings. First select the profile you wish to load and then press to complete. You can select Select File in HDD/FDD/USB to input the profile previously created from your storage device or load the profile automatically created by the BIOS, such as reverting the BIOS settings to the last settings that worked properly (last known good record).

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