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E15417
Revised Edition

April 2019

Copyright © 2019 ASUSTeK COMPUTER INC. All Rights Reserved.

No part of this manual, including the products and software described in it, may be reproduced, 

transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any 

means, except documentation kept by the purchaser for backup purposes, without the express written 

permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modified or altered, unless 

such repair, modification of alteration is authorized in writing by ASUS; or (2) the serial number of the 

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OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF 

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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 is distributed without any warranty to the extent permitted by the 

applicable law. Copies of these licenses are included in this product.
Where the applicable license entitles you to the source code of such software and/or other additional data, 

you may obtain it for a period of three years after our last shipment of the product, either
(1) for free by downloading it from http://support.asus.com/download
or
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where you want to have it shipped to, by sending a request to:

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15 Li Te Rd.,
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In your request please provide the name, model number and version, as stated in the About Box of the 

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This offer is valid to anyone in receipt of this information.
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, stating 

the product and describing the problem (please DO NOT send large attachments such as source code 

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Summary of Contents for PRIME A320M-K

Page 1: ...Motherboard PRIME A320M K ...

Page 2: ...spective 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: ...A320M K specifications summary vi Chapter 1 Product introduction Motherboard overview 1 1 Central Processing Unit CPU 1 8 System memory 1 9 Chapter 2 BIOS information BIOS setup program 2 1 EZ Mode 2 2 Advanced Mode 2 3 Exit menu 2 4 Appendix Notices A 1 ASUS contact information A 5 ...

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: ...ered memory AMD 7th Generation A series Athlon processors 2 x DIMMs max 32GB DDR4 2400 2133 MHz non ECC un buffered memory Dual channel memory architecture 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 and D Sub ports Supports HDMI 1 4b with maximum resolution ...

Page 7: ...orts 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 Protection World class circuit protecting power design ASUS Stainless Steel Back I O 3X corrosion resistance for greater durability ASUS DIGI VRM 6 Pha...

Page 8: ...r 1 x Chassis Fan connector 1 x Front panel audio connector 1 x 24 pin EATX power connector 1 x 4 pin ATX 12V power connector 1 x 2 pin Clear CMOS header 1 x S PDIF out connector 1 x Speaker 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 My Favorites Last Modified log F12 Pr...

Page 9: ...s or components Unplug the power cord before installing or removing the motherboard Failure to do so can cause you physical injury and damage to motherboard components Place this side towards the rear of the chassis Scan the QR code to get the detailed pin definitions PRIME A320M K PCIEX16 PCIEX1_1 PCIEX1_2 SPEAKER CLRTC F_PANEL SPDIF_OUT USB56 USB34 USB3_12 AAFP COM EATXPWR CPU_FAN CHA_FAN BATTER...

Page 10: ...ge devices Due to CPU limitation M 2 socket supported varies by processor Refer to the specifications summary table for more details ATX power connectors 24 pin EATXPWR 4 pin ATX12V These connectors are for ATX power supply plugs The power supply plugs are designed to fit these connectors in only one orientation Find the proper orientation and push down firmly until the connectors completely fit F...

Page 11: ...y with USB 2 0 specifications and support up to 480Mbps connection speed Never connect a 1394 cable to the USB connectors Doing so will damage the motherboard Clear RTC RAM 2 pin CLRTC This header allows you to clear the CMOS RTC RAM data of the system setup information such as date time and system passwords To erase the RTC RAM 1 Turn OFF the computer and unplug the power cord 2 Use a metal objec...

Page 12: ...ss 2 0 x1 slots This motherboard has two PCI Express 2 0 x1 slots that support PCI Express x1 network cards SCSI cards and other cards that comply with the PCI Express specifications PCI Express 3 0 2 0 x16 slot This motherboard supports one PCI Express 3 0 2 0 x16 graphic card that complies with the PCI Express specifications IRQ assignments for this motherboard Digital audio connector 4 1 pin SP...

Page 13: ...conflicts will arise between the two PCI groups making the system unstable and the card inoperable A B C D E F G H PCIEx16_1 shared PCIEx1_1 shared PCIEx1_2 shared M 2 shared APU USB3 1 Gen 1 XHCI controller shared AMD Promonotry Chip XHCI controller shared SATA controller shared HD audio controller shared Realtek LAN controller shared For RyzenTM processors ...

Page 14: ...ts These two 9 pin Universal Serial Bus USB ports connect to USB 3 1 Gen 1 devices USB 3 1 Gen 1 devices can only be used for data storage Due to the design of AMD AM4 series chipset all USB devices connected to the USB 2 0 and USB 3 1 Gen 1 ports are controlled by the xHCI controller We strongly recommend that you connect USB 3 1 Gen 1 devices to USB 3 1 Gen 1 ports for faster and better performa...

Page 15: ...Out Rear Speaker Out Lime Rear panel Line Out Front Speaker Out Front Speaker Out Front Speaker Out Pink Rear panel Mic In Mic In Bass Center Bass Center Lime Front panel Side Speaker Out 6 Line In port light blue This port connects to the tape CD DVD player or other audio sources 7 Line Out port lime This port connects to a headphone or a speaker In the 4 1 5 1and 7 1 channel configurations the f...

Page 16: ...stalling 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 necessary...

Page 17: ...rom 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 Recommended memory configuration Channel Sockets Channel A DIMM_A1 Channel B DIMM_B1 DIMM_A1 ...

Page 18: ...1 10 Chapter 1 Product introduction Installing a DIMM 1 2 To remove a DIMM B A B A A ...

Page 19: ...ptions Using the power button reset button or the Ctrl Alt Del keys to force reset from a running operating system can cause damage to your data or system We recommend you always shut down the system properly from the operating system The BIOS setup screens shown in this section are for reference purposes only and may not exactly match what you see on your screen Visit the ASUS website at www asus...

Page 20: ...ice options vary depending on the devices you installed to the system 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 to switch EZ System Tuning modes Displays the Advanced mode menus Se...

Page 21: ... CPU temperature CPU and memory voltage output Advanced Mode The Advanced Mode provides advanced options for experienced end users to configure the BIOS settings The figure below shows an example of the Advanced Mode Refer to the following sections for the detailed configurations To access the EZ Mode click EzMode F7 or press F7 Popup window Search on FAQ ASUS PRIME A320M K 2 3 ...

Page 22: ...d 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 Shell from USB drives This option allows you to attempt to launch the EFI Shell application shellx64 efi from one of the available USB devices Exit menu The Exit menu items allow you to loa...

Page 23: ...cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipment does cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or rel...

Page 24: ...ada Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel brouilleur du Canada Le présent appareil est conforme aux normes CNR d Industrie Canada applicables aux appareils radio exempts de licence Son utilisation est sujette aux deux conditions suivantes 1 cet appareil ne doit pas créer d interférences et 2 cet appareil doit tolérer tout type d interféren...

Page 25: ... the highest standards for protecting our environment We believe in providing solutions for you to be able to responsibly recycle our products batteries other components as well as the packaging materials Please go to http csr asus com english Takeback htm for detailed recycling information in different regions Regional notice for California WARNING This product may contain chemicals known to the ...

Page 26: ...ниям и другим соответствующим условиям соответствующих директив Подробную информацию пожалуйста смотрите на www asus com support Български С настоящото ASUSTeK Computer Inc декларира че това устройство е в съответствие със съществените изисквания и другите приложими постановления на свързаните директиви Пълният текст на декларацията за съответствие на ЕС е достъпна на адрес www asus com support Hr...

Page 27: ...L America Address 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 e...

Page 28: ...ME A320M K Conforms 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 Represent...

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