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Motherboard

PRIME X370-A

Summary of Contents for 90MB0UN0-M0EAY0

Page 1: ...Motherboard PRIME X370 A ...

Page 2: ...pective companies and are used only for identification or explanation and to the owners benefit without intent to infringe Offer to Provide Source Code of Certain Software This product contains copyrighted software that is licensed under the General Public License GPL under the Lesser General Public License Version LGPL and or other Free Open Source Software Licenses Such software in this product ...

Page 3: ...1 1 3 Central Processing Unit CPU 1 10 1 4 System memory 1 12 1 5 Software support 1 13 Chapter 2 BIOS information 2 1 Managing and updating your BIOS 2 1 2 2 BIOS setup program 2 5 2 3 My Favorites 2 12 2 4 Main menu 2 13 2 5 Ai Tweaker menu 2 15 2 6 Advanced menu 2 20 2 7 Monitor menu 2 25 2 8 Boot menu 2 28 2 9 Tool menu 2 33 2 10 Exit menu 2 34 Appendix Notices A 1 ASUS contact information A 4...

Page 4: ...afety Before installing the motherboard and adding components carefully read all the manuals that came with the package Before using the product ensure all cables are correctly connected and the power cables are not damaged If you detect any damage contact your dealer immediately To avoid short circuits keep paper clips screws and staples away from connectors slots sockets and circuitry Avoid dust...

Page 5: ...ks properly take note of the following symbols used throughout this manual DANGER WARNING Information to prevent injury to yourself when completing a task CAUTION Information to prevent damage to the components when completing a task IMPORTANT Instructions that you MUST follow to complete a task NOTE Tips and additional information to help you complete a task Typography Bold text Indicates a menu ...

Page 6: ... A series Athlon Processors 4 x DIMMs max 64GB DDR4 2400 2133 MHz non ECC un buffered memory Dual channel memory architecture Hyper DIMM support is subject to the physical characteristics of individual CPUs Refer to www asus com for the latest Memory QVL Qualified Vendors List Graphics Integrated AMD Radeon R Series Graphics in the 7th Generation A series APU Multi VGA output support HDMI DVI D an...

Page 7: ...ts 2 ports at the rear panel teal blue Type A 2 x USB 3 1 Gen 1 ports 2 ports at mid board 6 x USB 2 0 1 1 ports 2 ports at the rear panel 4 ports at mid board ASUS unique features Dependable Stability ASUS 5X PROTECTION III ASUS SafeSlot Core Fortified PCIe Slot prevents damage ASUS LANGuard Protects against LAN surges lightning strikes and static electricity discharges ASUS Overvoltage Protectio...

Page 8: ... CPU Fan connector 1 x Fan RGB header 2 x Chassis Fan connectors Support DC PWM mode 1 x Front panel audio connector 1 x 24 pin EATX power connector 1 x 8 pin EATX 12V power connector 1 x 2 pin Clear CMOS header 1 x S PDIF out connector 1 x System panel connector BIOS features 128 Mb Flash ROM UEFI AMI BIOS PnP WfM2 0 SM BIOS 3 0 ACPI 6 1 Multi language BIOS ASUS EZ Flash 3 ASUS CrashFree BIOS 3 M...

Page 9: ...he power cord before installing or removing the motherboard Failure to do so can cause you physical injury and damage motherboard components PRIME X370 A SATA6G_5 SATA6G_6 PCIEX16_1 PCI1 PCI2 PCIEX16_2 ALC 887 PCIEX1_1 PCIEX1_2 M 2 SOCKET3 USB34 USB56 AAFP CLRTC EATXPWR BATTERY Super I O 2280 22110 Realtek 8111H 2260 2242 23 7cm 9 35in DDR4 DIMM_A1 64bit 288 pin module SOCKET AM4 DDR4 DIMM_A2 64bi...

Page 10: ...s completely fit We recommend that you use an EATX 12V Specification 2 0 compliant power supply unit PSU with a minimum of 300W power rating This PSU type has 24 pin and 8 pin power plugs DO NOT forget to connect the 4 pin 8 pin ATX 12V power plug Otherwise the system will not boot up We recommend that you use a PSU with higher power output when configuring a system with more power consuming devic...

Page 11: ...V G R B and with a maximum power rating of 1A 12V Before you install or remove any component ensure that the ATX power supply is switched off or the power cord is detached from the power supply Failure to do so may cause severe damage to the motherboard peripherals or components 4 M 2 socket 3 These sockets allow you to install M 2 NGFF SSD modules M 2 SOCKET3 This socket supports M Key and 2242 2...

Page 12: ...er button soft off button 2 pin PWR_SW This connector is for the system power button Reset button 2 pin RESET This 2 pin connector is for the chassis mounted reset button for system reboot without turning off the system power PLED PLED PWR Ground 5V_SPKO Ground Ground Speaker HDD_LED HDD_LED Ground RESET NC PLED PLED PIN 1 PWR_LED PWR_LED SPEAKER PANEL HDD_LED PWR_SW RESET Requires an ATX power su...

Page 13: ...PDIF port Connect the S PDIF Out module cable to this connector then install the module to a slot opening at the back of the system chassis SPDIF_OUT 5V SPDIFOUT GND 13 Front panel audio connector 10 1 pin AAFP This connector is for a chassis mounted front panel audio I O module that supports either HD Audio or legacy AC 97 audio standard Connect one end of the front panel audio I O module cable t...

Page 14: ... for a PCI Express x16 graphics card to get better performance We recommend that you provide sufficient power when running CrossFireX mode Connect a chassis fan to the motherboard connector labeled CHA_FAN1 2 when using multiple graphics cards for better thermal environment To erase the RTC RAM 1 Turn OFF the computer and unplug the power cord 2 Use a metal object such as a screwdriver to short th...

Page 15: ... series Athlon processors A B C D E F G H PCIEx16_1 shared PCIEx16_2 shared PCIEx1_1 shared PCIEx1_2 shared PCI1 shared PCI2 shared M 2 shared CPU USB 3 1 Gen 1 XHCI controller shared AMD Promonotry Chip XHCI controller shared SATA controller shared HD audio controller shared Realtek LAN controller shared For Ryzen processors When using PCI cards on shared slots ensure that the drivers support Sha...

Page 16: ...ws Gigabit connection to a Local Area Network LAN through a network hub Refer to the table below for the LAN port LED indications 1 11 4 5 3 3 6 7 8 9 2 10 LAN port Speed LED Activity Link LED Activity Link LED Speed LED Status Description Status Description Off No link OFF 10Mbps connection Orange Linked ORANGE 100Mbps connection Orange Blinking Data activity GREEN 1Gbps connection Orange Blinkin...

Page 17: ...RGB Signal to CRT and is not compatible with DVI I 11 USB 2 0 ports These 4 pin Universal Serial Bus USB ports are for USB 2 0 1 1 devices Audio 2 1 4 1 5 1 or 7 1 channel configuration Port Headset 2 1 channel 4 1 channel 5 1 channel 7 1 channel Light Blue Rear panel Line In Rear Speaker Out Rear Speaker Out Rear Speaker Out Lime Rear panel Line Out Front Speaker Out Front Speaker Out Front Speak...

Page 18: ...installing the CPU The AM4 socket has a different pinout from the FM2 FM2 socket Ensure that you use a CPU designed for the AM4 socket The CPU fits in only one correct orientation DO NOT force the CPU into the socket to prevent bending the pins and damaging the CPU Installing the CPU Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the heatsink and fan if necessa...

Page 19: ...ASUS PRIME X370 A 1 11 Installing the CPU heatsink and fan assembly Type 2 Type 1 1 1 3 2 2 4 Remove the screws and the retention module only Do not remove the plate on the bottom ...

Page 20: ...el configuration Any excess memory from the higher sized channel is then mapped for single channel operation Always install DIMMs with the same CAS latency For optimal compatibility we recommend that you install memory modules of the same version or date code D C from the same vendor Check with the retailer to get the correct memory modules For system stability use a more efficient memory cooling ...

Page 21: ...eatures The contents of the Support DVD are subject to change at any time without notice Visit the ASUS website at www asus com for updates To run the Support DVD Place the Support DVD into the optical drive If Autorun is enabled in your computer the DVD automatically displays the lists of the unique features of your ASUS motherboard Click the Driver Utilities Manual or Special tabs to display the...

Page 22: ...y update your motherboard s softwares drivers and the BIOS version easily With this utlity you can also manually update the saved BIOS and select a boot logo when the system goes into POST To launch EZ Update click EZ Update on the AI Suite 3 main menu bar Click to automatically update your motherboard s driver software and firmware Click to find and select the BIOS from file Click to select a boo...

Page 23: ...he USB flash disk that contains the latest BIOS file to the USB port then select via Storage Devices b Press Tab to switch to the Drive field c Press the Up Down arrow keys to find the USB flash disk that contains the latest BIOS and then press Enter d Press Tab to switch to the Folder Info field e Press the Up Down arrow keys to find the BIOS file and then press Enter to perform the BIOS update p...

Page 24: ...S file When found the utility reads the BIOS file and enters ASUS EZ Flash 2 utility automatically 4 The system requires you to enter BIOS Setup to recover BIOS settings To ensure system compatibility and stability we recommend that you press F5 to load default BIOS values DO NOT shut down or reset the system while updating the BIOS Doing so can cause system boot failure 2 1 4 ASUS BIOS Updater AS...

Page 25: ...nel then select D ASUSTeK BIOS Updater for DOS V1 31 2014 08 01 Current ROM BOARD PRIME X370 A VER 0302 H 00 B 00 DATE 03 24 2017 Update ROM BOARD Unknown VER Unknown DATE Unknown PATH C C D FORMAN 1 DIR PRX370A CAP 8390656 2017 03 24 21 14 34 Note Enter Select or Load Tab Switch V Drive Info Up Down Home End Move Esc Exit 3 Press Tab to switch from Drives panel to Files panel then press Up Down o...

Page 26: ... Use the BIOS Setup program to update the BIOS or configure its parameters The BIOS screens include navigation keys and brief online help to guide you in using the BIOS Setup program Entering BIOS Setup at startup To enter BIOS Setup at startup Press Delete or F2 during the Power On Self Test POST If you do not press Delete or F2 POST continues with its routines Entering BIOS Setup after POST To e...

Page 27: ... The default screen for entering the BIOS setup program can be changed Refer to the Setup Mode item in section 2 8 Boot menu for details Saves the changes and resets the system Selects the display language of the BIOS setup program Displays the CPU motherboard temperature CPU voltage output CPU chassis fan speed and SATA information Displays the system properties of the selected mode Click Enter t...

Page 28: ...hows an example of the Advanced Mode Refer to the following sections for the detailed configurations To access the EZ Mode click EzMode F7 or press F7 Searches FAQ Language MyFavorite Q Fan control Hot Keys Displays the CPU temperature CPU and memory voltage output Sub menu item General help Configuration fields Goes back to EZ Mode Last modified settings Scroll bar Pop up window ...

Page 29: ...splays the current settings of your fans Use this button to manually tweak the fans to your desired settings Refer to section 2 2 3 QFan Control for more information Hot keys This button above the menu bar contains the navigation keys for the BIOS setup program Use the navigation keys to select items in the menu and change the settings Scroll bar A scroll bar appears on the right side of a menu sc...

Page 30: ...hange the value of the field opposite the item You cannot select an item that is not user configurable A configurable field is highlighted when selected To change the value of a field select it and press Enter to display a list of options Last Modified button This button shows the items that you last modified and saved in BIOS Setup Search on FAQ Move your mouse over this button to show a QR code ...

Page 31: ... 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 to undo the changes Click to apply the fan setting Click to go back to main menu Select a profile to apply to your fans ...

Page 32: ...nfigure your fans operating speed To configure your fans 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 Speed points Click to manually configure your fans ...

Page 33: ...ccess your favorite BIOS items Adding items to My Favorites To add BIOS items 1 Press F3 on your keyboard or click 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 MyFavorites screen Main menu panel Submenu panel Selected shortcut items ...

Page 34: ...lish Español Русский 한국어 2 4 2 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 See section 1 2 Motherboard overview 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 ...

Page 35: ...word 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 the system The User Password item on top of the screen shows the default Not Installed After you set a password this item shows Installed To set a user password 1 Select the User Password item and pre...

Page 36: ...e desired value using the numeric keypad The values range from 90 0MHz to 300 0MHz We recommend you to set the value based on the CPU specification as high APU frequencies may damage the CPU permanently This item appears only when you install an AMD 7th Generation A series AthlonTM processor 2 5 Ai Tweaker menu The Ai Tweaker menu items allow you to configure overclocking related items Be cautious...

Page 37: ... only when you install an AMD RyzenTM processor Allows you to set the CPU core ratio automatically or manually When you set this item to Manual the CPU frequency equals FID DID x 200 Configuration options Auto Manual CPU Core Ratio Auto This item appears when you set Custom CPU Core Ratio to Auto Use the and keys to adjust the value You can also key in the desired value using the numeric keypad FI...

Page 38: ...item appears only when you install an AMD 7th Generation A series AthlonTM processor Target TDP Auto Allows you to manually set up a TDP Thermal Design Power value The processor will run within the specified TDP to constrain power consumption 2 5 9 DIGI VRM VDDCR CPU Load Line Calibration Auto Load line Calibration is defined by AMD VRM specifications and affects CPU voltage The CPU working voltag...

Page 39: ...em Offset Mode To offset the voltage by a positive or negative value Offset is available for some specific CPU types VDDCR CPU Offset Mode Sign To offset the voltage by a positive value To offset the voltage by a negative value VDDCR CPU Offset Voltage Auto Allows you to set the CPU Offset voltage The values range from 0 00625V to 0 20000V with a 0 00625V interval Refer to the CPU documentation be...

Page 40: ...age Use the and keys to adjust the value The values range from 2 5V to 2 55V with a 0 05V interval 2 5 15 VDDP Voltage Auto Allows you to set the VDDP voltage Use the and keys to adjust the value The values range from 1 05V to 1 2V with a 0 05V interval 2 5 16 CPU 1 80V Voltage Auto Allows you to set the CPU 1 80V voltage Use the and keys to adjust the value The values range from 1 80V to 1 85V wi...

Page 41: ...irmware TPM is disabled all data saved on it will be lost 2 6 1 CPU Configuration The items in this menu show the CPU related information that the BIOS automatically detects The items shown in submenu may be different due to the CPU you installed PSS Support Enabled Enables or disables the generation of ACPI_PPC _PSS and _PCT objects Configuration options Enabled Disabled NX Mode Enabled Enables o...

Page 42: ...n using an AMD RyzenTM processor IGFX Multi Monitor Disabled Enables or disables the Internal Graphics Device Multi Monitor support for add on VGA devices And the memory size of Internal Graphics Device will keep memory reserved Configuration options Disabled Enabled The IGFX Multi Monitor item must be enabled before using AMD Dual Graphics technology Primary Video Device PCIE PCI Video Selects th...

Page 43: ...lug Disabled SATA6G_1 Gray SATA6G_6 Gray These items allow you to enable disable SATA Hot Plug Support Configuration options Disabled Enabled 2 6 4 Onboard Devices Configuration HD Audio Controller Enabled Enabled Enables the HD Audio Device Disabled Disables the HD Audio Device The following two items appear only when you set the HD Audio Controller item to Enabled Front Panel Type HD Audio Allow...

Page 44: ...2 6 5 APM ErP Ready Disabled Allows BIOS to switch off some power at S4 S5 to get the system ready for ErP requirement When set to Enabled all other PME options will be switched off Configuration options Enabled Disabled Restore AC Power Loss Power Off Power On The system goes into on state after an AC power loss Power Off The system goes into off state after an AC power loss Last State The system...

Page 45: ...you to change the USB related features The USB Devices item shows the auto detected values If no USB device is detected the item shows None Legacy USB Support Enabled Enabled Enables the support for USB devices on legacy operating systems OS Disabled The USB devices can be used only for the BIOS setup program Auto Allows the system to detect the presence of USB devices at startup If detected the U...

Page 46: ... and motherboard temperatures Select Ignore if you do not wish to display the detected temperatures 2 7 2 CPU Fan Chassis Fan 1 2 Speed xxxx RPM Ignore N A The onboard hardware monitor automatically detects and displays the CPU and chassis fan 1 2 speeds in rotations per minute RPM If the fan is not connected to the motherboard the field shows N A Select Ignore if you do not wish to display the de...

Page 47: ...lly adjust depending on the CPU temperature Silent Sets to Silent to minimize the fan speed for quiet CPU fan operation Turbo Sets to Turbo to achieve maximum CPU fan speed Manual Sets to Manual to assign detailed fan speed control parameters The following four items appear only when you set CPU Fan Profile to Manual CPU Upper Temperature 70 Use the and keys to adjust the upper limit of the CPU te...

Page 48: ... options Ignore 200RPM 300 RPM 400 RPM 500 RPM 600 RPM Chassis Fan 1 2 Profile Standard This item allows you to set the appropriate performance level of the chassis fan Standard Sets to Standard to make the chassis fan automatically adjust depending on the chassis temperature Silent Sets to Silent to minimize the fan speed for quiet chassis fan operation Turbo Sets to Turbo to achieve maximum chas...

Page 49: ...the chassis fan operates at the minimum duty cycle 2 8 1 Fast Boot Enabled Enabled Select to accelerate the boot speed Disabled Select to go back to normal boot speed The following item appears only when you set Fast Boot to Enabled Next Boot after AC Power Loss Normal Boot Normal Boot Returns to normal boot on the next boot after AC power loss Fast Boot Accelerates the boot speed on the next boot...

Page 50: ...you to enable or disable power on state of the NumLock Configuration options Disabled Enabled Wait for F1 If Error Enabled When this item is set to Enabled the system waits for the F1 key to be pressed when error occurs Configuration options Disabled Enabled Option ROM Messages Force BIOS Force BIOS The third party ROM messages will be forced to display during the boot sequence Keep Current The th...

Page 51: ...I driver first Boot from PCI E PCI Expansion Devices Legacy Only Allows you to select the type of PCI E expansion devices that you want to launch Configuration options Legacy only UEFI driver first 2 8 4 Secure Boot Allows you to configure the Windows Secure Boot settings and manage its keys to protect the system from unauthorized access and malwares during POST OS Type Other OS Allows you to sele...

Page 52: ...u to save the downloaded KEK to a USB storage device Set New Key Allows you to load the downloaded KEK from a USB storage device Append Key Allows you to load the additional KEK from a storage device for an additional db and dbx loaded management The KEK file must be formatted as a public key certificate or UEFI variable structure with time based authenticated variable Delete key Allows you to del...

Page 53: ...gement The dbx file must be formatted as a UEFI variable structure with time based authenticated variable Delete key Allows you to delete the Key from your system Configuration options Yes No 2 8 5 Boot Option Priorities These items specify the boot device priority sequence from the available devices The number of device items that appears on the screen depends on the number of devices installed i...

Page 54: ...ofile is created Load from Profile Allows you to load the previous BIOS settings saved in the BIOS Flash Key in the profile number that saved your CMOS settings press Enter 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 ...

Page 55: ... the Exit menu to ensure the values you selected are saved When you select this option or if you press F10 a confirmation window appears Select OK to save changes and exit Discard Changes and Exit This option allows you to exit the Setup program without saving your changes When you select this option or if you press Esc a confirmation window appears Select OK to discard changes and exit Launch EFI...

Page 56: ... the dealer or an experienced radio TV technician for help The use of shielded cables for connection of the monitor to the graphics card is required to assure compliance with FCC regulations Changes or modifications to this unit not expressly approved by the party responsible for compliance could void the user s authority to operate this equipment IC Canadian Compliance Statement Complies with the...

Page 57: ...heeled bin indicates that the product electrical and electronic equipment should not be placed in municipal waste Check local regulations for disposal of electronic products DO NOT throw the mercury containing button cell battery in municipal waste This symbol of the crossed out wheeled bin indicates that the battery should not be placed in municipal waste ASUS Recycling Takeback Services ASUS rec...

Page 58: ... tam metni şu adreste bulunabilir www asus com support Bosanski ASUSTeK Computer Inc ovim izjavljuje da je ovaj uređaj usklađen sa bitnim zahtjevima i ostalim odgovarajućim odredbama vezanih direktiva Cijeli tekst EU izjave o usklađenosti dostupan je na www asus com support English ASUSTeK Computer Inc hereby declares that this device is in compliance with the essential requirements and other rele...

Page 59: ...800 Corporate Way Fremont CA 94539 USA Telephone 1 510 739 3777 Fax 1 510 608 4555 Web site http www asus com us Technical Support Support fax 1 812 284 0883 Telephone 1 812 282 2787 Online support http qr asus com techserv ASUS COMPUTER GmbH Germany and Austria Address Harkort Str 21 23 40880 Ratingen Germany Fax 49 2102 959931 Web site http www asus com de Online contact http eu rma asus com sal...

Page 60: ...s to the following specifications FCC Part 15 Subpart B Unintentional Radiators Supplementary Information This device complies with part 15 of the FCC Rules Operation is subject to the following two conditions 1 This device may not cause harmful interference and 2 this device must accept any interference received including interference that may cause undesired operation Representative Person s Nam...

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