PRIME_Z270-A_AR_BIOS ManualEnglish
Page 2
... if you give us a notification to the source code of such software and/or other Free Open Source Software Licenses. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR...unless such repair, modification of the product for backup purposes, without any problems in this email address). 2 ASUS PRIME Z270-A/AR Series BIOS Manual SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT...
... if you give us a notification to the source code of such software and/or other Free Open Source Software Licenses. ASUS PROVIDES THIS MANUAL "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR...unless such repair, modification of the product for backup purposes, without any problems in this email address). 2 ASUS PRIME Z270-A/AR Series BIOS Manual SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE, AND SHOULD NOT...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 3
... Configuration 49 1.7 Monitor menu 50 1.8 Boot menu...58 1.9 Tool menu...63 1.9.1 ASUS EZ Flash 3 Utility 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
... Configuration 49 1.7 Monitor menu 50 1.8 Boot menu...58 1.9 Tool menu...63 1.9.1 ASUS EZ Flash 3 Utility 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
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 4
...are needed for these motherboards. • BIOS settings and options may result to the latest BIOS version for settings and options. 4 ASUS PRIME Z270-A/AR Series BIOS Manual CAP for system startup in the motherboard CMOS. The term "BIOS" in the following circumstances: • An error message appears ...on the screen during the system bootup and requests you change the default BIOS settings except in this user manual refers to different BIOS release versions. DO NOT change the BIOS settings only with the help of a trained service personnel. •...
...are needed for these motherboards. • BIOS settings and options may result to the latest BIOS version for settings and options. 4 ASUS PRIME Z270-A/AR Series BIOS Manual CAP for system startup in the motherboard CMOS. The term "BIOS" in the following circumstances: • An error message appears ...on the screen during the system bootup and requests you change the default BIOS settings except in this user manual refers to different BIOS release versions. DO NOT change the BIOS settings only with the help of a trained service personnel. •...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 5
...ensure system compatibility and stability. The BIOS screen include navigation keys and brief onscreen help to enter BIOS Setup using the BIOS Setup program. ASUS PRIME Z270-A/AR Series BIOS Manual 5 Entering BIOS Setup after POST To enter BIOS Setup after POST: • Press ++ simultaneously. • Press the reset button ... does not support Bluetooth devices. If you see on your screen. • Ensure that a USB mouse is connected to your user manual for details. • If the system fails to boot after changing any BIOS setting, try to clear the CMOS and reset the motherboard...
...ensure system compatibility and stability. The BIOS screen include navigation keys and brief onscreen help to enter BIOS Setup using the BIOS Setup program. ASUS PRIME Z270-A/AR Series BIOS Manual 5 Entering BIOS Setup after POST To enter BIOS Setup after POST: • Press ++ simultaneously. • Press the reset button ... does not support Bluetooth devices. If you see on your screen. • Ensure that a USB mouse is connected to your user manual for details. • If the system fails to boot after changing any BIOS setting, try to clear the CMOS and reset the motherboard...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 6
... Creates storage RAID and of the BIOS setup program configures system overclocking Enables or disables the SATA RAID mode for details. Click the button to manually tune the fans Loads optimized default settings Saves the changes and resets the system Click to go to Advanced mode Search on the FAQ Click... the CPU Fan's speed. 1.2.1 EZ Mode The EZ Mode provides you an overview of the basic system information, and allows you installed to the system. 6 ASUS PRIME Z270-A/AR Series BIOS Manual The default screen for the advanced BIOS settings.
... Creates storage RAID and of the BIOS setup program configures system overclocking Enables or disables the SATA RAID mode for details. Click the button to manually tune the fans Loads optimized default settings Saves the changes and resets the system Click to go to Advanced mode Search on the FAQ Click... the CPU Fan's speed. 1.2.1 EZ Mode The EZ Mode provides you an overview of the basic system information, and allows you installed to the system. 6 ASUS PRIME Z270-A/AR Series BIOS Manual The default screen for the advanced BIOS settings.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 7
... of the Advanced Mode. To switch from EZ Mode 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 Refer to the following sections for experienced end-users to configure the BIOS settings.
... of the Advanced Mode. To switch from EZ Mode 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 Refer to the following sections for experienced end-users to configure the BIOS settings.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 8
... that you can select for more information. Use this button to select the language that you want to section 1.2.3 QFan Control for more information. 8 ASUS PRIME Z270-A/AR Series BIOS Manual Refer to display in a Tree Map setup. EZ Tuning Wizard (F11) This button above the menu bar shows all BIOS items in your BIOS... overclocking settings For changing the advanced system settings Monitor For displaying the system temperature, power status, and changing the fan settings. Click this button to manually tweak the fans to MyFavorites menu.
... that you can select for more information. Use this button to select the language that you want to section 1.2.3 QFan Control for more information. 8 ASUS PRIME Z270-A/AR Series BIOS Manual Refer to display in a Tree Map setup. EZ Tuning Wizard (F11) This button above the menu bar shows all BIOS items in your BIOS... overclocking settings For changing the advanced system settings Monitor For displaying the system temperature, power status, and changing the fan settings. Click this button to manually tweak the fans to MyFavorites menu.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 9
... to the removable storage device. A configurable field is not user-configurable. Last Modified button This button shows the items that is highlighted when selected. ASUS PRIME Z270-A/AR Series BIOS Manual 9 Use the navigation keys to the BIOS FAQ web page of the selected item. You can change the settings. Configuration fields These fields show... code: Hot keys This button above the menu bar contains the navigation keys for the menu items. If an item is a brief description of the ASUS support website.
... to the removable storage device. A configurable field is not user-configurable. Last Modified button This button shows the items that is highlighted when selected. ASUS PRIME Z270-A/AR Series BIOS Manual 9 Use the navigation keys to the BIOS FAQ web page of the selected item. You can change the settings. Configuration fields These fields show... code: Hot keys This button above the menu bar contains the navigation keys for the menu items. If an item is a brief description of the ASUS support website.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 10
1.2.3 QFan Control The QFan Control allows you to manually configure your CPU and chassis fans. Click to select a fan to be configured Click to activate PWM Mode Click to activate DC Mode Select a profile to apply to your fans Click to apply the fan setting Click to undo the changes Click to go back to main menu Select to set a fan profile or manually configure the operating speed of your fans 10 ASUS PRIME Z270-A/AR Series BIOS Manual
1.2.3 QFan Control The QFan Control allows you to manually configure your CPU and chassis fans. Click to select a fan to be configured Click to activate PWM Mode Click to activate DC Mode Select a profile to apply to your fans Click to apply the fan setting Click to undo the changes Click to go back to main menu Select to set a fan profile or manually configure the operating speed of your fans 10 ASUS PRIME Z270-A/AR Series BIOS Manual
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 11
Select the fan that you want to configure and to adjust the fans' operating speed. 3. Click and drag the speed points to view its current status. 2. Configuring fans manually Select Manual from the list of profiles to manually configure your fans: 1. Speed points Select to save the changes then click Exit (ESC). ASUS PRIME Z270-A/AR Series BIOS Manual 11 Click Apply to manually configure your fans To configure your fans' operating speed.
Select the fan that you want to configure and to adjust the fans' operating speed. 3. Click and drag the speed points to view its current status. 2. Configuring fans manually Select Manual from the list of profiles to manually configure your fans: 1. Speed points Select to save the changes then click Exit (ESC). ASUS PRIME Z270-A/AR Series BIOS Manual 11 Click Apply to manually configure your fans To configure your fans' operating speed.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 12
Click OC then click Next. 3. from the BIOS screen to their best settings. 1.2.4 EZ Tuning Wizard EZ Tuning Wizard allows you to easily overclock your CPU and DRAM, computer usage, and CPU fan to open 2. You can also set RAID in your keyboard or click EZ Tuning Wizard screen. OC setup RAID setup OC Tuning To start OC Tuning: 1. Press on your system using this feature. Select a PC scenario Daily Computing or Gaming/Media Editing, then click Next. 12 ASUS PRIME Z270-A/AR Series BIOS Manual
Click OC then click Next. 3. from the BIOS screen to their best settings. 1.2.4 EZ Tuning Wizard EZ Tuning Wizard allows you to easily overclock your CPU and DRAM, computer usage, and CPU fan to open 2. You can also set RAID in your keyboard or click EZ Tuning Wizard screen. OC setup RAID setup OC Tuning To start OC Tuning: 1. Press on your system using this feature. Select a PC scenario Daily Computing or Gaming/Media Editing, then click Next. 12 ASUS PRIME Z270-A/AR Series BIOS Manual
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 13
... you want to set to start the OC Tuning. Select a Main Cooling System BOX cooler, Tower cooler, Water cooler, or I'm not sure, then click Next. 5. ASUS PRIME Z270-A/AR Series BIOS Manual 13 Creating RAID To create RAID: 1. Press on your HDDs to Intel® SATA connectors. 3. 4.
... you want to set to start the OC Tuning. Select a Main Cooling System BOX cooler, Tower cooler, Water cooler, or I'm not sure, then click Next. 5. ASUS PRIME Z270-A/AR Series BIOS Manual 13 Creating RAID To create RAID: 1. Press on your HDDs to Intel® SATA connectors. 3. 4.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 14
Check the available storage disk drives, then click Next. 5. For Easy Backup, click Next then select from Easy Backup (RAID 1) or Easy Backup (RAID 10). You can only select Easy Backup (RAID 10) if you connect four (4) HDDs. 14 ASUS PRIME Z270-A/AR Series BIOS Manual a. 4. Select the type of storage for your RAID, Easy Backup or Super Speed, then click Next.
Check the available storage disk drives, then click Next. 5. For Easy Backup, click Next then select from Easy Backup (RAID 1) or Easy Backup (RAID 10). You can only select Easy Backup (RAID 10) if you connect four (4) HDDs. 14 ASUS PRIME Z270-A/AR Series BIOS Manual a. 4. Select the type of storage for your RAID, Easy Backup or Super Speed, then click Next.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 15
... save and access your favorite BIOS items. My Favorites comes with several performance, power saving, and fast boot related items by adding or removing items. ASUS PRIME Z270-A/AR Series BIOS Manual 15 b.
... save and access your favorite BIOS items. My Favorites comes with several performance, power saving, and fast boot related items by adding or removing items. ASUS PRIME Z270-A/AR Series BIOS Manual 15 b.
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 16
Adding items to view the saved BIOS items. 16 ASUS PRIME Z270-A/AR Series BIOS Manual Select an item from main menu panel, then click the submenu that you want to save as Memory SPD Information, system time and date. 4. Go ...
Adding items to view the saved BIOS items. 16 ASUS PRIME Z270-A/AR Series BIOS Manual Select an item from main menu panel, then click the submenu that you want to save as Memory SPD Information, system time and date. 4. Go ...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 17
... change the system security settings. • If you enter the Advanced Mode of the BIOS Setup program. ASUS PRIME Z270-A/AR Series BIOS Manual 17 1.4 Main menu The Main menu screen appears when you have forgotten your user manual for information on how to erase the RTC RAM. • The Administrator or User Password items on...
... change the system security settings. • If you enter the Advanced Mode of the BIOS Setup program. ASUS PRIME Z270-A/AR Series BIOS Manual 17 1.4 Main menu The Main menu screen appears when you have forgotten your user manual for information on how to erase the RTC RAM. • The Administrator or User Password items on...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 18
... Password If you have set a user password, you clear the password, the User Password item on top of the screen shows [Not Installed]. 18 ASUS PRIME Z270-A/AR Series BIOS Manual To set a user password: 1. Re-type to confirm the password then select OK. Re-type to confirm the password then select OK. After you...
... Password If you have set a user password, you clear the password, the User Password item on top of the screen shows [Not Installed]. 18 ASUS PRIME Z270-A/AR Series BIOS Manual To set a user password: 1. Re-type to confirm the password then select OK. Re-type to confirm the password then select OK. After you...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 19
... system to malfunction. The configuration options for this item to set the profiles supported by your memory modules for the system. [Manual] Automatically optimizes the CPU ratio and BCLK frequency. [XMP] If you install memory modules supporting the eXtreme Memory Profile (XMP... other BIOS items. Ai Overclock Tuner This item allows you install memory modules supporting the eXtreme Memory Profile(X.M.P.) Technology. ASUS PRIME Z270-A/AR Series BIOS Manual 19 1.5 Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking-related items. Be cautious when ...
... system to malfunction. The configuration options for this item to set the profiles supported by your memory modules for the system. [Manual] Automatically optimizes the CPU ratio and BCLK frequency. [XMP] If you install memory modules supporting the eXtreme Memory Profile (XMP... other BIOS items. Ai Overclock Tuner This item allows you install memory modules supporting the eXtreme Memory Profile(X.M.P.) Technology. ASUS PRIME Z270-A/AR Series BIOS Manual 19 1.5 Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking-related items. Be cautious when ...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 20
... BCLK Frequency This item allows 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 If you to set the BCLK (base clock) frequency to enhance the system performance. Use the or to 650.0 MHz. AVX Instruction Core ... allows you to set the CPU core ratio limit per core or synchronize automatically to all cores. When the CPU Core Ratio is set to [Manual] or [XMP], the following items appear. Configuration options: [Auto] [1] - [31] CPU Core Ratio This item allows you to subtract a value from 40...
... BCLK Frequency This item allows 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 If you to set the BCLK (base clock) frequency to enhance the system performance. Use the or to 650.0 MHz. AVX Instruction Core ... allows you to set the CPU core ratio limit per core or synchronize automatically to all cores. When the CPU Core Ratio is set to [Manual] or [XMP], the following items appear. Configuration options: [Auto] [1] - [31] CPU Core Ratio This item allows you to subtract a value from 40...
PRIME_Z270-A_AR_BIOS ManualEnglish
Page 21
... current settings without changing anything. [TPU I] Applies air cooling overclocking conditions. [TPU II] Applies water cooling overclocking conditions. ASUS PRIME Z270-A/AR Series BIOS Manual 21 DRAM Odd Ratio Mode This item allows you to automatically overclock the CPU and DRAM frequencies and voltage for improved granularity.... 3-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 3-core ratio limit that must be lower than or equal to the 4-core ratio limit. Ensure to apply the...
... current settings without changing anything. [TPU I] Applies air cooling overclocking conditions. [TPU II] Applies water cooling overclocking conditions. ASUS PRIME Z270-A/AR Series BIOS Manual 21 DRAM Odd Ratio Mode This item allows you to automatically overclock the CPU and DRAM frequencies and voltage for improved granularity.... 3-Core Ratio Limit Enter [Auto] to apply the CPU default Turbo Ratio setting or manually assign a 3-core ratio limit that must be lower than or equal to the 4-core ratio limit. Ensure to apply the...