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Version 1.0
Published July 2020
Copyright©2020 ASRock INC. All rights reserved.
Copyright Notice:
No part of this documentation may be reproduced, transcribed, transmitted, or
translated in any language, in any form or by any means, except duplication of
documentation by the purchaser for backup purpose, without written consent of
ASRock Inc.
Products and corporate names appearing in this documentation may or may not
be registered trademarks or copyrights of their respective companies, and are used
only for identication or explanation and to the owners’ benet, without intent to
infringe.
Disclaimer:
Specications and information contained in this documentation are furnished for
informational use only and subject to change without notice, and should not be
constructed as a commitment by ASRock. ASRock assumes no responsibility for
any errors or omissions that may appear in this documentation.
With respect to the contents of this documentation, ASRock does not provide
warranty of any kind, either expressed or implied, including but not limited to
the implied warranties or conditions of merchantability or tness for a particular
purpose.
In no event shall ASRock, its directors, ocers, employees, or agents be liable for
any indirect, special, incidental, or consequential damages (including damages for
loss of prots, loss of business, loss of data, interruption of business and the like),
even if ASRock has been advised of the possibility of such damages arising from any
defect or error in the documentation or product.
is 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.
CALIFORNIA, USA ONLY
e Lithium battery adopted on this motherboard contains Perchlorate, a toxic substance
controlled in Perchlorate Best Management Practices (BMP) regulations passed by the
California Legislature. When you discard the Lithium battery in California, USA, please
follow the related regulations in advance.
“Perchlorate Material-special handling may apply, see www.dtsc.ca.gov/hazardouswaste/
perchlorate”
ASRock Website: http://www.asrock.com
AUSTRALIA ONLY
Our goods come with guarantees that cannot be excluded under the Australian
Consumer Law. You are entitled to a replacement or refund for a major failure and
compensation for any other reasonably foreseeable loss or damage caused by our
goods. You are also entitled to have the goods repaired or replaced if the goods fail
to be of acceptable quality and the failure does not amount to a major failure. If
you require assistance please call ASRock Tel : +886-2-28965588 ext.123 (Standard
International call charges apply)
e terms HDMI® and HDMI High-Denition Multimedia Interface, and the
HDMI logo are trademarks or registered trademarks of HDMI Licensing LLC in the
United States and other countries.
CE Warning
is device complies with directive 2014/53/EU issued by the Commision of the European
Community.
is equipment complies with EU radiation exposure limits set forth for an uncontrolled
environment.
is equipment should be installed and operated with minimum distance 20cm between
the radiator & your body.
Operations in the 5.15-5.35GHz band are restricted to indoor usage only.
Radio transmit power per transceiver type
Function Frequency Maximum Output Power (EIRP)
WiFi
2400-2483.5 MHz 18.5 + / -1.5 dbm
5150-5250 MHz 21.5 + / -1.5 dbm
5250-5350 MHz 18.5 + / -1.5 dbm (no TPC)
21.5 + / -1.5 dbm (TPC)
5470-5725 MHz 25.5 + / -1.5 dbm (no TPC)
28.5 + / -1.5 dbm (TPC)
Bluetooth 2400-2483.5 MHz 8.5 + / -1.5 dbm
Contents
Chapter 1 Introduction 1
1.1 Package Contents 1
1.2 Specications 2
1.3 Motherboard Layout 6
1.4 I/O Panel 8
1.5 WiFi-802.11ac Module and ASRock WiFi 2.4/5 GHz
Antennas 10
Chapter 2 Installation 12
2.1 Installing the CPU 13
2.2 Installing the CPU Fan and Heatsink 15
2.3 Installing Memory Modules (DIMM) 23
2.4 Expansion Slots (PCI Express Slots) 25
2.5 Jumpers Setup 26
2.6 Onboard Headers and Connectors 27
2.7 M.2_SSD (NGFF) Module Installation Guide 31
Chapter 3 Software and Utilities Operation 35
3.1 Installing Drivers 35
3.2 ASRock Motherboard Utility (A-Tuning) 36
3.2.1 Installing ASRock Motherboard Utility (A-Tuning) 36
3.2.2 Using ASRock Motherboard Utility (A-Tuning) 36
3.3 ASRock Live Update & APP Shop 39
3.3.1 UI Overview 39
3.3.2 Apps 40
3.3.3 BIOS & Drivers 43
3.3.4 Setting 44
Chapter 4 UEFI SETUP UTILITY 45
4.1 Introduction 45
4.1.1 UEFI Menu Bar 45
4.1.2 Navigation Keys 46
4.2 Main Screen 47
4.3 OC Tweaker Screen 48
4.4 Advanced Screen 51
4.4.1 CPU Conguration 52
4.4.2 Onboard Devices Conguration 53
4.4.3 Storage Conguration 55
4.4.4 ACPI Conguration 56
4.4.5 Super IO Conguration 57
4.4.6 Trusted Computing 58
4.4.7 AMD PBS 59
4.4.8 AMD Overclocking 60
4.4.9 AMD CBS 61
4.5 Tools 62
4.6 Hardware Health Event Monitoring Screen 63
4.7 Security Screen 65
4.8 Boot Screen 66
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1
A520M/ac
Chapter 1 Introduction
ank you for purchasing ASRock A520M/ac motherboard, a reliable motherboard
produced under ASRock’s consistently stringent quality control. It delivers excellent
performance with robust design conforming to ASRock’s commitment to quality
and endurance.
In this documentation, Chapter 1 and 2 contains the introduction of the
motherboard and step-by-step installation guides. Chapter 3 contains the operation
guide of the soware and utilities. Chapter 4 contains the conguration guide of
the BIOS setup.
1.1 Package Contents
• ASRock A520M/ac Motherboard (Micro ATX Form Factor)
• ASRock A520M/ac Quick Installation Guide
• 1 x I/O Panel Shield
• 2 x Serial ATA (SATA) Data Cables (Optional)
• 2 x ASRock WiFi 2.4/5 GHz Antennas (Optional)
• 1 x Screw for M.2 Socket (Optional)
Because the motherboard specications and the BIOS soware might be updated, the
content of this documentation will be subject to change without notice. In case any modi-
cations of this documentation occur, the updated version will be available on ASRock’s
website without further notice. If you require technical support related to this mother-
board, please visit our website for specic information about the model you are using. You
may nd the latest VGA cards and CPU support list on ASRock’s website as well. ASRock
website http://www.asrock.com.
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2
1.2 Specications
Platform • Micro ATX Form Factor
• Solid Capacitor design
CPU • Supports 3rd Gen AMD AM4 Ryzen™ / future AMD Ryzen™
Processors (3000 and 4000 Series Processors)*
* Not compatible with AMD Ryzen™ 5 3400G and Ryzen™ 3
3200G.
• 6 Power Phase design
Chipset • AMD A520
Memory • Dual Channel DDR4 Memory Technology
• 2 x DDR4 DIMM Slots
• AMD Ryzen series CPUs (Matisse) support DDR4
4600+(OC)/4533(OC)/4466(OC)/4400(OC)/4333
(OC)/4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000
(OC)/3866(OC)/3800(OC)/3733(OC)/3600(OC)/3466|
(OC)/3200/2933/2667/2400/2133 ECC & non-ECC, un-
buered memory*
• AMD Ryzen series APUs (Renoir) support DDR4 4733+
(OC)/4666(OC)/4600(OC)/4533(OC)/4466(OC)/4400(OC)/
4333(OC)/4266(OC)/4200(OC)/4133(OC)/4000(OC)/3866
(OC)/3800(OC)/3733(OC)/3600(OC)/3466(OC)/3200/2933/
2667/2400/2133 ECC & non-ECC, un-buered memory*
* Please refer to Memory Support List on ASRock’s website for
more information. (http://www.asrock.com/)
* Please refer to page 21 for DDR4 UDIMM maximum
frequency support.
• Max. capacity of system memory: 64GB
• Supports Extreme Memory Prole (XMP) memory modules
• 15μ Gold Contact in DIMM Slots
Expansion
Slot
• 1 x PCI Express 3.0 x16 Slot (PCIE2: x16 mode)*
* Supports NVMe SSD as boot disks
• 1 x PCI Express 3.0 p8-x1 Slot
• 1 x Vertical M.2 Socket (Key E) with the bundled WiFi-
802.11ac module (on the rear I/O)
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A520M/ac
Graphics • Integrated AMD RadeonTM Vega Series Graphics in Ryzen
Series APU*
* Actual support may vary by CPU
• DirectX 12, Pixel Shader 5.0
• Shared memory default 2GB. Max Shared memory supports
up to 16GB.
* e Max shared memory 16GB requires 32GB system
memory installed.
• Supports HDMI 2.1 with max. resolution up to 4K x 2K
(4096x2160) @ 60Hz
• Supports Auto Lip Sync, Deep Color (12bpc), xvYCC and
HBR (High Bit Rate Audio) with HDMI 2.1 Port (Compliant
HDMI monitor is required)
• Supports HDR (High Dynamic Range) with HDMI 2.1
• Supports HDCP 2.3 with HDMI 2.1 Port
• Supports 4K Ultra HD (UHD) playback with HDMI 2.1
Port
• Supports Microso PlayReady®
Audio • 7.1 CH HD Audio (Realtek ALC887 Audio Codec)
• Supports Surge Protection
LAN • PCIE p9-x1 Gigabit LAN 10/100/1000 Mb/s
• Realtek RTL8111H
• Supports Wake-On-LAN
• Supports Lightning/ESD Protection
• Supports Energy Ecient Ethernet 802.3az
• Supports PXE
Wireless
LAN
• Intel® 802.11ac WiFi Module
• Supports IEEE 802.11a/b/g/n/ac
• Supports Dual-Band (2.4/5 GHz)
• Supports high speed wireless connections up to 433Mbps
• Supports Bluetooth 4.2 / 3.0 + High speed class II
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5
A520M/ac
BIOS
Feature
• AMI UEFI Legal BIOS with GUI support
• Supports “Plug and Play”
• ACPI 5.1 compliance wake up events
• Supports jumperfree
• SMBIOS 2.3 support
• CPU, CPU VDDCR_SOC, DRAM, VDDP Voltage Multi-
adjustment
Hardware
Monitor
• Temperature Sensing: CPU, Chassis Fans
• Fan Tachometer: CPU, Chassis Fans
• Quiet Fan (Auto adjust chassis fan speed by CPU
temperature): CPU, Chassis Fans
• Fan Multi-Speed Control: CPU, Chassis Fans
• CASE OPEN detection
• Voltage monitoring: +12V, +5V, +3.3V, CPU Vcore
OS • Microso® Windows® 10 64-bit
Certica-
tions
• FCC, CE
• ErP/EuP ready (ErP/EuP ready power supply is required)
Please realize that there is a certain risk involved with overclocking, including adjusting
the setting in the BIOS, applying Untied Overclocking Technology, or using third-party
overclocking tools. Overclocking may aect your system’s stability, or even cause damage to
the components and devices of your system. It should be done at your own risk and expense.
We are not responsible for possible damage caused by overclocking.
* For detailed product information, please visit our website:
http://www.asrock.com
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6
AMD
Promontory
A520
A520M /ac
BIOS
RO M
ATXPWR1
DDR4_A1 (64 bit, 288-pin module)
DDR4_A2 (64 bit, 288-pin module)
Sup er
I/O
LA N
AUDIO
CODEC
PCIE2
PCIE1
HD_A UDIO 1
1
CPU _FA N1
1
CO M1
3
4
2
5
US 2.B 0
T: 1US B
B: U SB 2
PS2
K /ey bo ar d
M eous
CMOS
Battery
1
USB 3_5_6
1
CHA _F AN2
HDL ED ESE R T
PLE D P WRBT N
PAN EL1
1
SPK _CI 1
1
US 3. Ge n1B 2
T: 1US B
B: US B 2
Top :
LI NE I N
Ce nt e r:
FR ONT
Bo tt o m:
MI C IN
RJ-45 LAN
US 3.B 2 Ge n1
T: USB3
B: US B4
ATX 12V
SOCKET AM4
CH A_F AN 1
M2_1
USB _5 _6
1
USB _3 _4
1
Ro HS
1
SP I PM_ T _J1
HDM I1
CLR CMO S1
1
Ul t r M .a 2
PC Ie x4 Ge n3
15
10
9 81314 12 1 1
17
16
6
7
SATA3 _ 3
SATA3 _ 4
SATA3 _ 1
SATA3 _ 2
M 12_WI FI_
1.3 Motherboard Layout
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8
1.4 I/O Panel
No. No.Description Description
1 USB 2.0 Ports (USB_12) 6 USB 3.2 Gen1 Ports (USB3_34)
2 LAN RJ-45 Port* 7 USB 3.2 Gen1 Ports (USB3_12)
3 Line In (Light Blue)** 8 HDMI Port***
4 Front Speaker (Lime)** 9 PS/2 Mouse/Keyboard Port
5 Microphone (Pink)** 10 Antenna Ports
8 56910
4
3
12
7
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9
A520M/ac
* ere are two LEDs on each LAN port. Please refer to the table below for the LAN port LED indications.
Activity / Link LED Speed LED
Status StatusDescription Description
O ONo Link 10Mbps connection
Blinking Data Activity Orange 100Mbps connection
On Link Green 1Gbps connection
ACT/LINK LED
SPEED LED
LAN Port
** Function of the Audio Ports in 7.1-channel Conguration:
Port Function
Light Blue (Rear panel) Rear Speaker Out
Lime (Rear panel) Front Speaker Out
Pink (Rear panel) Central /Subwoofer Speaker Out
Lime (Front panel) Side Speaker Out
*** Please note that using a HDMI to DVI adapter cable may aect the stability of 5G network connection.
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11
A520M/ac
WiFi Antennas Installation Guide
Step 1
Prepare the WiFi 2.4/5 GHz Antennas that come
with the package.
Step 2
Connect the two WiFi 2.4/5 GHz Antennas to
the antenna connectors. Turn the antenna clock-
wise until it is securely connected.
Step 3
Set the WiFi 2.4/5 GHz Antenna as shown in the
illustration.
*You may need to adjust the direction of
the antenna for a stronger signal.
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12
is is a Micro ATX form factor motherboard. Before you install the motherboard,
study the conguration of your chassis to ensure that the motherboard ts into it.
Pre-installation Precautions
Take note of the following precautions before you install motherboard components
or change any motherboard settings.
• Make sure to unplug the power cord before installing or removing the motherboard.
Failure to do so may cause physical injuries to you and damages to motherboard
components.
• In order to avoid damage from static electricity to the motherboard’s components,
NEVER place your motherboard directly on a carpet. Also remember to use a grounded
wrist strap or touch a safety grounded object before you handle the components.
• Hold components by the edges and do not touch the ICs.
• Whenever you uninstall any components, place them on a grounded anti-static pad or
in the bag that comes with the components.
• When placing screws to secure the motherboard to the chassis, please do not over-
tighten the screws! Doing so may damage the motherboard.
Chapter 2 Installation
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13
A520M/ac
2.1 Installing the CPU
Unplug all power cables before installing the CPU.
2
1
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14
3
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15
A520M/ac
2.2 Installing the CPU Fan and Heatsink
Aer you install the CPU into this motherboard, it is necessary to install a larger
heatsink and cooling fan to dissipate heat. You also need to spray thermal grease
between the CPU and the heatsink to improve heat dissipation. Make sure that the
CPU and the heatsink are securely fastened and in good contact with each other.
Installing the CPU Box Cooler SR1
Please turn o the power or remove the power cord before changing a CPU or heatsink.
1
2
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3
4
C
PU
_
FA N1
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A520M/ac
Installing the AM4 Box Cooler SR2
1
2
Produktspecifikationer
| Varumärke: | Asrock |
| Kategori: | moderkort |
| Modell: | A520M/ac |
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