PRIME A520M-K - Asus

1 MotherboardPRIME A520M-KiiE16800 First EditionJune 2020 Copyright 2020 ASUSTeK COMPUTER INC. All Rights 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 product is defaced or PROVIDES THIS MANUAL AS IS WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS, LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE), EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY DEFECT OR ERROR IN THIS MANUAL OR 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 BE CONSTRUED AS A COMMITMENT BY ASUS.

2 ASUS ASSUMES NO RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN and corporate names appearing in this manual may or may not be registered trademarks or copyrights of their respective companies, and are used only for identification or explanation and to the owners benefit, without intent to to Provide Source Code of Certain SoftwareThis 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 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 (2) for the cost of reproduction and shipment, which is dependent on the preferred carrier and the location where you want to have it shipped to, by sending a request to:ASUSTeK Computer Compliance , , Lide Rd.

3 ,Beitou Dist., Taipei City 112 TaiwanIn your request please provide the name, model number and version, as stated in the About Box of the product for which you wish to obtain the corresponding source code and your contact details so that we can coordinate the terms and cost of shipment with source code will be distributed WITHOUT ANY WARRANTY and licensed under the same license as the corresponding binary/object offer is valid to anyone in receipt of this is eager to duly provide complete source code as required under various Free Open Source Software licenses. If however you encounter any problems in obtaining the full corresponding source code we would be much obliged if you give us a notification to the email address stating the product and describing the problem (please DO NOT send large attachments such as source code archives, etc. to this email address).iiiContentsSafety information ..ivAbout this guide ..vPackage contents ..viPRIME A520M-K specifications 1 Product Before you proceed.

4 Motherboard overview .. Central Processing Unit (CPU) .. System memory ..1-8 Chapter 2 BIOS and RAID Knowing BIOS .. BIOS Setup program .. ASUS EZ Flash 3 .. ASUS CrashFree BIOS 3 .. RAID configurations ..2-5 AppendixNotices ..A-1 ASUS contact information ..A-6ivSafety informationElectrical safety To prevent electrical shock hazard, disconnect the power cable from the electrical outlet before relocating the system. When adding or removing devices to or from the system, ensure that the power cables for the devices are unplugged before the signal cables are connected. If possible, disconnect all power cables from the existing system before you add a device. Before connecting or removing signal cables from the motherboard, ensure that all power cables are unplugged. Seek professional assistance before using an adapter or extension cord. These devices could interrupt the grounding circuit. Ensure that your power supply is set to the correct voltage in your area.

5 If you are not sure about the voltage of the electrical outlet you are using, contact your local power company. If the power supply is broken, do not try to fix it by yourself. Contact a qualified service technician or your safety 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, humidity, and temperature extremes. Do not place the product in any area where it may be exposed to moisture. Place the product on a stable surface. If you encounter technical problems with the product, contact a qualified service technician or your retailer. Your motherboard should only be used in environments with ambient temperatures between 0 C and 40 this guideThis user guide contains the information you need when installing and configuring the this guide is organizedThis guide contains the following parts: Chapter 1: Product IntroductionThis chapter describes the features of the motherboard and the new technology it supports.

6 It includes descriptions of the switches, jumpers, and connectors on the motherboard. Chapter 2: BIOS and RAID SupportThis chapter tells how to boot into the BIOS, upgrade BIOS using the EZ Flash Utility and support on to find more informationRefer to the following sources for additional information and for product and software ASUS websiteThe ASUS website provides updated information on ASUS hardware and software products. Refer to the ASUS contact Optional documentationYour product package may include optional documentation, such as warranty flyers, that may have been added by your dealer. These documents are not part of the standard used in this guideTo ensure that you perform certain tasks properly, take note of the following symbols used throughout this : Information to prevent damage to the components and injuries to yourself when trying to complete a : Instructions that you MUST follow to complete a task. NOTE: Tips and additional information to help you complete a A520M-K specifications summaryCPUAMD Socket AM4 for 3rd Gen AMD Ryzen and 3rd Gen AMD Ryzen with Radeon Graphics Processors**Refer to for CPU support list.

7 ChipsetAMD A520 ChipsetMemory2 x DIMM, Max. 64GB, DDR4 4600( )/4400( )/4000( )/3866( )/3733( )/3600( )/3466( )/3333( )/3200/3000/2800/2666/2400/2133 MHz, Un-buffered Memory*Dual Channel Memory Architecture*ECC Memory (ECC mode) support varies by CPU. **Refer to for the Memory QVL (Qualified Vendors Lists). Graphics1 x D-Sub1 x HDMITM (4K@60HZ)Expansion Slots3rd Gen AMD Ryzen and 3rd Gen AMD Ryzen with Radeon Graphics Processors1 x PCIe x16 slot (supports x16 mode) AMD A520 Chipset2 x PCIe x1 slotsStorageTotal supports 1 x slot and 4 x SATA 6Gb/s ports3rd Gen AMD Ryzen and 3rd Gen AMD Ryzen with Radeon Graphics slot (Key M), type 2242/2260/2280 (supports PCIe x4 & SATA modes)AMD A520 Chipset4 x SATA 6Gb/s portsSupport RAID 0, 1, 10 Ethernet1 x Realtek RTL8111H 1Gb EthernetUSBRear USB (Total 6 ports)4 x USB Gen 1 ports (4 x Type-A)2 x USB ports (2 x Type-A)Front USB (Total 6 ports)1 x USB Gen 1 header supports additional 2 USB Gen 1 ports2 x USB headers support additional 4 USB ports(continued on the next page)

8 Package contentsCheck your motherboard package for the following x PRIME A520M-K motherboardCables2 x SATA 6Gb/s cablesMiscellaneous1 x I/O Shield1 x SSD screw packageApplication DVD1 x Support DVDD ocumentation1 x User manualIf any of the above items is damaged or missing, contact your A520M-K specifications summaryAudioRealtek ALC887 Surround Sound High Definition Audio CODEC*- Supports Jack detection, Multi-streaming, Front Panel Jack-retasking- Supports up to 24-Bit/192 kHz playbackAudio Features- Audio Shielding- Dedicated audio PCB layers* A chassis with an HD audio module in the front panel is required to support Surround Sound audio output. Back Panel I/O Ports4 x USB Gen 1 ports (4 x Type-A)2 x USB ports (2 x Type-A)1 x D-Sub port1 x HDMITM port1 x Realtek RTL8111H 1Gb Ethernet port3 x Audio jacks1 x PS/2 Keyboard/Mouse combo portInternal I/O ConnectorsFan and cooling related1 x 4-pin CPU Fan header1 x 4-pin Chassis Fan headerPower related1 x 24-pin Main Power connector1 x 8-pin +12V Power connectorStorage related1 x slot (Key M) 4 x SATA 6Gb/s portsUSB1 x USB Gen 1 header supports additional 2 USB Gen 1 ports2 x USB headers support additional 4 USB portsMiscellaneous1 x Clear CMOS header1 x COM Port header1 x Front Panel Audio header (AAFP)1 x S/PDIF Out header1 x Speaker header1 x SPI TPM header (14-1pin)1 x 10-1 pin System Panel header(continued on the next page)

9 ViiiPRIME A520M-K specifications summarySpecial FeaturesASUS 5X PROTECTION III- ASUS DIGI+ VRM- ASUS LANG uard- ASUS Overvoltage Protection- ASUS SafeSlot Core- ASUS Stainless-Steel Back I/OASUS Q-Design- ASUS Q-DIMM- ASUS Q-SlotASUS Thermal Solution- Aluminum heatsink designSoftware FeaturesASUS Exclusive SoftwareArmoury CrateAI Suite 3- Performance and Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert- EZ updateASUS CPU-ZAI ChargerDAEMON ToolsNorton Anti-virus software (Free Trial for 60 days)WinRARUEFI BIOSASUS EZ DIY- ASUS CrashFree BIOS 3- ASUS EZ Flash 3- ASUS UEFI BIOS EZ ModeBIOS256 Mb Flash ROM, UEFI AMI BIOSM anageabilityWOL by PME, PXEO perating SystemWindows 10 - 64 bitForm FactormATX Form inch x inch ( cm x cm) Specifications are subject to change without notice. Refer to the ASUS website for the latest PRIME A520M-K1-1 Product Before you proceedTake note of the following precautions before you install motherboard components or change any motherboard settings.

10 Unplug the power cord from the wall socket before touching any component. Before handling components, use a grounded wrist strap or touch a safely grounded object or a metal object, such as the power supply case, to avoid damaging them due to static electricity. 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 the power cord before installing or removing the motherboard. Failure to do so can cause you physical injury and damage motherboard Motherboard overviewPlace this side towards the rear of the chassisDDR4 DIMM_A1* (64bit, 288-pin module)DDR4 DIMM_B1* (64bit, 288-pin module)DIGI+VRMCPU_FANCOM_DEBUGCHA_FANTP MF_PANELAAFPSPDIF_OUTCLRTCSATA6G_2 SATA6G_1 SATA6G_3 SATA6G_4256 MbBIOSEATX12 VEATXPWRU32G1_12 AMDA520 BATTERYUSB56 LAN_U32G1_34 KBMS_U32G1_56 (SOCKET3) ( ) ( )SOCKET AM4 ALC887 Realtek 8111 HSPEAKER85131112103512447169615141-2 Chapter 1: Product Layout contents 1.