Asus PRIME Z270-A PRIME_Z270-A_AR_BIOS ManualEnglish

Asus PRIME Z270-A Manual

Get Asus PRIME Z270-A PDF manuals and user guides View all Asus PRIME Z270-A manuals
Add to My Manuals
Save this manual to your list of manuals

Asus PRIME Z270-A manual content summary:

  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 1
    Motherboard PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 2
    source code we would be much obliged if you give us a notification to the email address [email protected], stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address). 2 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 3
    63 1.9.2 Secure Erase 64 1.9.3 ASUS Overclocking Profile 65 1.9.4 ASUS SPD Information 66 1.9.5 Graphics Card Information 66 1.10 Exit menu...67 1.11 Updating BIOS 68 1.11.1 EZ Update 68 1.11.2 ASUS EZ Flash 3 69 1.11.3 ASUS CrashFree BIOS 3 71 ASUS PRIME Z270-A/AR Series BIOS Manual 3
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 4
    service personnel. • When downloading or updating the BIOS file, rename it as Z270A.CAP or Z270AR. CAP for these motherboards. • BIOS settings and options may vary due to different BIOS release versions. Please refer to the latest BIOS version for settings and options. 4 ASUS PRIME Z270-A/AR
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 5
    the RTC RAM. • The BIOS setup program does not support Bluetooth devices. BIOS menu screen The BIOS Setup program can be used under two modes: EZ Mode and Advanced Mode. You can change modes from Setup Mode in Boot menu or by pressing the hotkey. ASUS PRIME Z270-A/AR Series BIOS Manual 5
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 6
    BIOS settings. The default screen for entering the BIOS setup program can be changed. Refer to the Setup Mode item in section Boot menu for details. Displays the CPU/motherboard temperature, CPU voltage output, CPU the devices you installed to the system. 6 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 7
    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 EZ Mode Search on the FAQ Displays the CPU temperature, CPU, and memory voltage output ASUS PRIME Z270-A/AR Series BIOS Manual 7
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 8
    ) This button above the menu bar allows you to view and tweak the overclocking settings of your system. It also allows you to change the motherboard's SATA mode from AHCI to RAID mode. Refer to section 1.2.4 EZ Tuning Wizard for more information. 8 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 9
    a QR code, scan this QR code on your mobile device to connect to the BIOS FAQ web page of the ASUS support website. You can also scan the following QR code: Hot keys This button above button shows the items that you last modified and saved in BIOS Setup. ASUS PRIME Z270-A/AR Series BIOS Manual 9
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 10
    QFan Control The QFan Control allows you to set a fan profile or manually configure the operating speed of your CPU and chassis fans. Click to select a fan to be configured Click Click to go back to main menu Select to manually configure your fans 10 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 11
    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). ASUS PRIME Z270-A/AR Series BIOS Manual 11
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 12
    Wizard allows you to easily overclock your CPU and DRAM, computer usage, and CPU fan to their best settings. You can BIOS screen to open 2. Click OC then click Next. 3. Select a PC scenario Daily Computing or Gaming/Media Editing, then click Next. 12 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 13
    RAID then click Next. from the BIOS screen to open • Ensure that your HDDs have no existing RAID volumes. • Ensure to connect your HDDs to Intel® SATA connectors. 3. Select the port that you want to set to [RAID] mode, PCIE or SATA, then click Next. ASUS PRIME Z270-A/AR Series BIOS Manual 13
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 14
    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. 14 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 15
    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. ASUS PRIME Z270-A/AR Series BIOS Manual 15
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 16
    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 key to close Setup Tree Map screen. 5. Go to My Favorites menu to view the saved BIOS items. 16 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 17
    BIOS password. See section 1.1.7 Jumpers in your user manual for information on how to erase the RTC RAM. • The Administrator or User Password items on top of the screen show the default [Not Installed]. After you set a password, these items show [Installed]. ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 18
    . After you clear the password, the Administrator Password item on top of the screen shows [Not Installed]. User Password If you have set a user password, you must enter the user password for accessing item on top of the screen shows [Not Installed]. 18 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 19
    , choose this item to set the profiles supported by your memory modules for optimizing the system performance. The [X.M.P.] configuration option appears only when you install memory modules supporting the eXtreme Memory Profile(X.M.P.) Technology. ASUS PRIME Z270-A/AR Series BIOS Manual 19
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 20
    Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 2-core ratio limit that must be higher than or equal to the 3-core ratio limit. If you assign a value for 2-Core Ratio Limit, do not set the 1-Core Ratio Limit to [Auto]. 20 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 21
    and 2-Core Ratio Limit to [Auto]. 4-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 4-core ratio limit that must be lower than or equal to the 3-core to use water cooling device before selecting [TPU II]. ASUS PRIME Z270-A/AR Series BIOS Manual 21
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 22
    vary by processors and does not guarantee stability. CPU SVID Support Disable this item to stop the CPU from communicating with the external voltage regulator. options: [Auto] [1] - [15] DRAM REF Cycle Time Configuration options: [Auto] [1] - [1023] 22 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 23
    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] ASUS PRIME Z270-A/AR Series BIOS Manual 23
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 24
    options: [Auto] [0] - [15] Ctl Falling Slope Offset Configuration options: [Auto] [0] - [1] Clk Falling Slope Configuration options: [Auto] [0] - [15] Clk Falling Slope Offset Configuration options: [Auto] [0] - [1] 24 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 25
    ] [0] - [15] DRAM IOL (CHB DIMM1 Rank1) Configuration options: [Auto] [0] - [15] IO Latency offset CHA IO_Latency_offset Configuration options: [Auto] [0] - [127] CHB IO_Latency_offset Configuration options: [Auto] [0] - [127] ASUS PRIME Z270-A/AR Series BIOS Manual 25
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 26
    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] 26 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 27
    - [26] Memory Scrambler Set this item to enable or disable memory scrambler support. Configuration options: [Enabled] [Disabled] Channel A DIMM Control Allows you to options: [Auto] [1] - [7] DRAM SPD Write Configuration options: [Enabled] [Disabled] ASUS PRIME Z270-A/AR Series BIOS Manual 27
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 28
    140%] Configure higher values when overclocking or under a high CPU loading for extra power support. CPU VRM Switching Frequency This item affects the VRM transient response when the manual mode is selected. The thermal conditions should be monitored. 28 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 29
    consumption delivery and extends the overclocking frequency range simultaneously. Configuration options: [Auto] [100%] [110%] [120%] [130%] [140%] Configure higher values when overclocking or under a high CPU Graphics loading for extra power support. ASUS PRIME Z270-A/AR Series BIOS Manual 29
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 30
    be monitored. The following item appears only when you set the CPU Graphics Switching Frequency to [Manual]. Fixed CPU Graphics Switching Frequency(KHz) This item allows you to set a and specification limit. Configuration options: [Disabled] [Enabled] 30 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 31
    Intel, the platform must be capable of supporting the duration for up to 10 msec when the turbo ratio exceeds the power limit 2. The ASUS motherboards can support the duration for a longer time. options: [Auto] [700mV] [800mV] [900mV] [1000mV] ASUS PRIME Z270-A/AR Series BIOS Manual 31
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 32
    options: [Auto] [0.00] - [255.50] CPU Graphics Current Limit Max. Allows you to set a higher CPU lifetime will not be guaranteed. Configuration options: [Disabled] [Enabled] This item can only be enabled when the onboard CPU_OV jumper is switched on. 32 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 33
    offset value. Configuration options: [0.250] - [1.520] Offset Voltage This item allows you to configure the CPU core voltage offset value. Configuration options: [Auto] [0.001] - [0.999] DRAM Voltage Configuration options: [Auto] [1.0032] - [2.0064] ASUS PRIME Z270-A/AR Series BIOS Manual 33
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 34
    [-] To offset the voltage by a negative value. CPU Graphics Voltage Offset [Auto] This item allows you to configure the CPU core voltage offset value. Configuration options: [Auto] the DRAM Data REF Voltage. Configuration options: [Auto] [0] - [63] 34 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 35
    ] [0] - [63] 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. ASUS PRIME Z270-A/AR Series BIOS Manual 35
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 36
    CPU-related information that the BIOS automatically detects. The items in this menu may vary based on the CPU installed Processor Cores This item allows you to select the number of CPU cores to activate in each processor package. Configuration ] [Enabled] 36 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 37
    ] [Disabled] Turbo Mode This item allows you to automatically set the CPU cores to run faster than the base operating frequency when it is below the operating power, current and temperature specification limit. Configuration options: [Enabled] [Disabled] ASUS PRIME Z270-A/AR Series BIOS Manual 37
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 38
    set the C-state limit for the CPU package. Configuration options: [Auto] [C0/C1] [C2] [C3] [C6] [C7] [C7s] [C8] [CPU Default] CFG Lock This item supporting OS (SuSE Linux 9.2, RedHat Enterprise 3 Update 3). Configuration options: [Disabled] [Enabled] 38 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 39
    Windows® Vista OS controls the ASPM (active state power management) support for devices. BIOS controls the ASPM support for the device. PCH - PCI Express PCH DMI ASPM This item conditions. Configuration options: [Disabled] [L0s] [L1] [L0sL1] [Auto] ASUS PRIME Z270-A/AR Series BIOS Manual 39
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 40
    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 check of render standby support. Configuration options: [Disabled] [Enabled] 40 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 41
    the PCI Express slots. PCIe Speed This item allows your system to automatically select the PCI Express port speed. Configuration options: [Auto] [Gen1] [Gen2] [Gen3] ASUS PRIME Z270-A/AR Series BIOS Manual 41
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 42
    Mode Disable this option for M.2_2 devices. Enable this option for "ASUS Hyper kit" card. Configuration options: [Disabled] [Enabled] SATA Controller(s) This item allows you to enable or disable the SATA Device. Configuration options: [Disabled] [Enabled] 42 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 43
    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 or disable SATA Hot Plug Support. Configuration options: [Disabled] [Enabled] ASUS PRIME Z270-A/AR Series BIOS Manual 43
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 44
    or enable the Intel Thunderbolt Technology. Configuration options: [Fully Disabled] [Disabled] [Enabled] ThunderBolt (TM) PCIe Support This item allows you to disable or enable the ThunderBolt PCIe Support. Configuration options: [Disabled] [Enabled] 44 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 45
    that SATA6G_1 port cannot be used in this mode. [PCIE mode] Only supports M.2 PCIE devices. M.2_2 PCIe Bandwidth Configuration: [X2][X4] [X2] Run at X2 mode with SATA6G_56 enabled. [X4] Run at X4 mode for higher performance with SATA6G_56 disabled. ASUS PRIME Z270-A/AR Series BIOS Manual 45
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 46
    . Serial Port Allows you to enable or disable Serial Port. Configuration options: [On] [Off] 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] 46 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 47
    you to enable or disable the Wake-on-LAN function of the onboard LAN controller or other installed PCI-E LAN cards. Configuration options: [Disabled] [Enabled] Power On By Ring This item allows an RTC alarm date. Configuration options: [Disabled] [Enabled] ASUS PRIME Z270-A/AR Series BIOS Manual 47
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 48
    event. Configuration options: [Disabled] [Enabled] 1.6.11 HDD/SSD SMART Information This menu displays the SMART information of the connected devices. NVM Express devices do not support SMART information. 48 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 49
    ‑off feature. [Disabled] Disables the XHCI Hand-off support. USB Single Port Control This item allows you to enable or disable the individual USB ports. Refer to section 1.1.2 Motherboard layout in your user manual for the location of the USB ports. ASUS PRIME Z270-A/AR Series BIOS Manual 49
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 50
    the detected speed. CPU Core Voltage, 3.3V Voltage, 5V Voltage, 12V Voltage [x.xxxx V] The onboard hardware monitor automatically detects the voltage output through the onboard voltage regulators. Select [Ignore] if you do not want to detect this item. 50 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 51
    only when you set the CPU Fan Profile to [Manual]. CPU Upper Temperature Use the and keys to adjust the upper limit of the CPU temperature. The CPU fan will operate at the maximum duty cycle when the CPU temperature is higher than the limit. ASUS PRIME Z270-A/AR Series BIOS Manual 51
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 52
    fan will be controlled according to the selected temperature source. Configuration options: [CPU] [MotherBoard] [PCH] [T_SENSOR1] [EXT_Sensor1] [EXT_Sensor2] [EXT_Sensor3] [Multiple Sources] [76 sec] [102 sec] [127 sec] [153 sec] [178 sec] [204 sec] 52 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 53
    fan operation. [Turbo] Sets to [Turbo] to achieve maximum chassis fan speed. [Manual] Sets to [Manual] to assign detailed fan speed control parameters. The following items appear only when you set Fan 1-2 will operate at the minimum duty cycle. ASUS PRIME Z270-A/AR Series BIOS Manual 53
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 54
    ] [Disabled] Detects the type of HAMP Fan installed and automatically switches the control modes. Enables the source. Configuration options: [CPU] [MotherBoard] [PCH] [T_SENSOR1 Manual] Sets to [Manual] to assign detailed fan speed control parameters. 54 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 55
    fan will be controlled according to the selected temperature source. Configuration options: [CPU] [MotherBoard] [PCH] [T_SENSOR1] [EXT_Sensor1] [EXT_Sensor2] [EXT_Sensor3] [Multiple Sources] fan will automatically change based on the highest temperature. ASUS PRIME Z270-A/AR Series BIOS Manual 55
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 56
    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. the lower temperature. Configuration options: [Disabled] [Enabled] 56 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 57
    of AIO PUMP installed and automatically CPU temperature is under the limit, the AIO PUMP will operate at the minimum duty cycle. Chassis Intrude Detection Support Enable this item for chassis intrude detection functions. Configuration options: [On] [Off] ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 58
    to display during POST. [Full Screen] Sets the boot logo display in full screen during POST. [Disabled] Disables the boot logo display during POST. 58 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 59
    bit capable devices to be decoded in above 4G address space if your system supports 64-bit PCI Decoding. Configuration options: [Enabled] [Disabled] Wait For ' the BIOS after POST. [EZ Mode] This item allows you to go to EZ Mode of the BIOS after POST. ASUS PRIME Z270-A/AR Series BIOS Manual 59
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 60
    compatibility, enable the CSM to fully support the non-UEFI driver add-on devices or the Windows® UEFI mode. Disable the CSM to fully support the non-UEFI driver allows you to select your installed operating system. Execute the supports Windows® UEFI mode. 60 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 61
    Key Management Install Default Secure Boot keys This item allows you to immediately downloaded KEK from a USB storage device. Append Key This item allows you to load the additional KEK from a storage device for an additional db and dbx loaded management. ASUS PRIME Z270-A/AR Series BIOS Manual 61
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 62
    or images of UEFI applications, operating system loaders, and UEFI drivers that you can load on the single computer. Save to storage device. Set New key This item allows you to load the downloaded dbx from a USB storage device. Append Key This item allows you ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 63
    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 1.11.2 ASUS EZ Flash 3. ASUS PRIME Z270-A/AR Series BIOS Manual 63
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 64
    is only supported on Intel SATA port. For more information about Intel SATA ports, refer to section 1.1.2 Motherboard layout in your user manual. Displays the defined by ASUS. You have to unlock the SSD in the software before proceeding with Secure Erase. 64 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 65
    the BIOS Flash, and create a profile. Key in a profile number from one to eight, press , 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. ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 66
    the graphics card is installed in your system. This feature is only supported on selected ASUS graphics cards. GPU installed in your system. Bus Interface This item allows you to select the bus interface. Configuration options: [PCIEX16_1] [PCIEX16_2] 66 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 67
    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 (shellx64.efi) from one of the available filesystem devices. ASUS PRIME Z270-A/AR Series BIOS Manual 67
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 68
    you to update the motherboard BIOS in Windows® environment. • EZ Update requires an Internet connection either through a network or an ISP (Internet Service Provider). • This utility is available in the support DVD that comes with the motherboard package. 68 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 69
    keys to find the USB flash disk that contains the latest BIOS, and then press . 5. Press the Up/Down arrow keys to find the BIOS file, and then press to perform the BIOS update process. Reboot the system when the update process is done. ASUS PRIME Z270-A/AR Series BIOS Manual 69
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 70
    the update. 5. Reboot the system when the update process is done. Ensure to load the BIOS default settings to ensure system compatibility and stability. Select the Load Optimized Defaults item under the Exit menu. See section 1.10 Exit Menu for details. 70 ASUS PRIME Z270-A/AR Series BIOS Manual
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 71
    enter BIOS Setup to recover the BIOS setting. To ensure system compatibility and stability, we recommend that you press to load default BIOS values. DO NOT shut down or reset the system while updating the BIOS! Doing so can cause system boot failure! ASUS PRIME Z270-A/AR Series BIOS Manual 71
  • Asus PRIME Z270-A | PRIME_Z270-A_AR_BIOS ManualEnglish - Page 72
    72 ASUS PRIME Z270-A/AR Series BIOS Manual
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
  • 72
PRIME Z270-A/AR
Series
BIOS Manual
Motherboard