GIGABYTE A520M H Motherboard User Manual

User Manual for GIGABYTE models including: A520M H Motherboard, A520M H, Motherboard

A520M H - Gigabyte

2023-05-18 — For more product details, please visit GIGABYTE's website. ... For detailed product information, carefully read the User's Manual.

[PDF] A520M H

When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to keep the configuration values in the CMOS. To access ...

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GIGABYTE 09683 MAN-EN

A520M H
User's Manual
Rev. 1001
For more product details, please visit GIGABYTE's website. https://www.gigabyte.com/Motherboard/A520M-H-rev-1x?m=ma#kf GIGABYTE will reduce paper use in order to fulfill the responsibilities of a global citizen. Also, to reduce the impacts on global warming, the packaging materials of this product are recyclable and reusable. GIGABYTE works with you to protect the environment.

Copyright © 2023 GIGA-BYTE TECHNOLOGY CO., LTD. All rights reserved. The trademarks mentioned in this manual are legally registered to their respective owners.
Disclaimer Information in this manual is protected by copyright laws and is the property of GIGABYTE. Changes to the specifications and features in this manual may be made by GIGABYTE without prior notice. No part of this manual may be reproduced, copied, translated, transmitted, or published in any form or by any means without GIGABYTE's prior written permission.
For detailed product information, carefully read the User's Manual. For quick set-up of the product, refer to the Quick Installation Guide on GIGABYTE's
website.
https://download.gigabyte.com/FileList/Manual/mb_manual_installation-guide_103.pdf?m=sw
For product-related information, check on our website at: https://www.gigabyte.com
Identifying Your Motherboard Revision The revision number on your motherboard looks like this: "REV: X.X." For example, "REV: 1.0" means the revision of the motherboard is 1.0. Check your motherboard revision before updating motherboard BIOS, drivers, or when looking for technical information.
Example:

Table of Contents
Chapter 1 Product Introduction.......................................................................................4 1-1 Motherboard Layout......................................................................................... 4
Chapter 2 Hardware Installation .....................................................................................5 2-1 Installation Precautions.................................................................................... 5 2-2 Product Specifications...................................................................................... 6 2-3 Installing the CPU ............................................................................................ 9 2-4 Installing the Memory ....................................................................................... 9 2-5 Installing an Expansion Card ......................................................................... 10 2-6 Back Panel Connectors.................................................................................. 10 2-7 Internal Connectors........................................................................................ 12
Chapter 3 BIOS Setup ..................................................................................................20 Chapter 4 Installing the Operating System and Drivers................................................22
4-1 Operating System Installation ........................................................................ 22 4-2 Drivers Installation.......................................................................................... 23 Chapter 5 Appendix ......................................................................................................24 5-1 Configuring a RAID Set.................................................................................. 24 Regulatory Notices.................................................................................................... 25 Contact Us ................................................................................................................ 26
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Chapter 1 Product Introduction
1-1 Motherboard Layout

KB_MS_USB

ATX_12V

CPU_FAN Socket AM4

ATX

DVI

HDMI

U32
QFLED QFLASH_PLUS

U32_LAN

SYS_FAN1

AUDIO

PCIEX1_1

Realtek® GbE LAN

PCIEX16

M2A_CPU

M_BIOS

A520M H

PCIEX1_2 BAT
CODEC D_LED1

iTE® Super I/O

AMD A520

SPEAKER F_USB2

F_U32

DDR4_A1 DDR4_B1

3
SATA3 2 1 0

F_AUDIO

TPM

LED_C

COM

F_USB1 F_PANEL
CI CLR_CMOS

SYS_FAN2

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Chapter 2 Hardware Installation
2-1 Installation Precautions
The motherboard contains numerous delicate electronic circuits and components which can become damaged as a result of electrostatic discharge (ESD). Prior to installation, carefully read the user's manual and follow these procedures:
· Prior to installation, make sure the chassis is suitable for the motherboard. · Prior to installation, do not remove or break motherboard S/N (Serial Number) sticker or
warranty sticker provided by your dealer. These stickers are required for warranty validation. · Always remove the AC power by unplugging the power cord from the power outlet before
installing or removing the motherboard or other hardware components. · When connecting hardware components to the internal connectors on the motherboard, make
sure they are connected tightly and securely. · When handling the motherboard, avoid touching any metal leads or connectors. · It is best to wear an electrostatic discharge (ESD) wrist strap when handling electronic
components such as a motherboard, CPU or memory. If you do not have an ESD wrist strap, keep your hands dry and first touch a metal object to eliminate static electricity. · Prior to installing the motherboard, please have it on top of an antistatic pad or within an electrostatic shielding container. · Before connecting or unplugging the power supply cable from the motherboard, make sure the power supply has been turned off. · Before turning on the power, make sure the power supply voltage has been set according to the local voltage standard. · Before using the product, please verify that all cables and power connectors of your hardware components are connected. · To prevent damage to the motherboard, do not allow screws to come in contact with the motherboard circuit or its components. · Make sure there are no leftover screws or metal components placed on the motherboard or within the computer casing. · Do not place the computer system on an uneven surface. · Do not place the computer system in a high-temperature or wet environment. · Turning on the computer power during the installation process can lead to damage to system components as well as physical harm to the user. · If you are uncertain about any installation steps or have a problem related to the use of the product, please consult a certified computer technician. · If you use an adapter, extension power cable, or power strip, ensure to consult with its installation and/or grounding instructions.
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2-2 Product Specifications

CPU

Chipset

Memory

Onboard

Graphics

Audio

LAN

Expansion Slots

Storage Interface

USB

AMD Socket AM4, support for: AMD RyzenTM 5000 G-Series Processors/ AMD RyzenTM 5000 Series Processors/ AMD RyzenTM 4000 G-Series Processors/ AMD RyzenTM 3000 Series Processors (Go to GIGABYTE's website for the latest CPU support list.)
AMD A520
2 x DDR4 DIMM sockets supporting up to 64 GB (32 GB single DIMM capacity) of system memory Support for DDR4 3200/2933/2667/2400/2133 MHz memory modules Dual channel memory architecture Support for ECC Un-buffered DIMM 1Rx8/2Rx8 memory modules Support for non-ECC Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules Support for Extreme Memory Profile (XMP) memory modules (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.)
Integrated Graphics Processor: - 1 x DVI-D port, supporting a maximum resolution of 1920x1200@60 Hz
* The DVI-D port does not support D-Sub connection by adapter. - 1 x HDMI port, supporting a maximum resolution of 4096x2160@60 Hz
* Support for HDMI 2.1 version, HDCP 2.3, and HDR. Maximum shared memory of 16 GB Realtek® Audio CODEC High Definition Audio 2/4/5.1/7.1-channel
* You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
Realtek® GbE LAN chip (1 Gbps/100 Mbps)
CPU: - 1 x PCI Express x16 slot, supporting PCIe 3.0 and running at x16 Chipset: - 2 x PCI Express x1 slots, supporting PCIe 3.0
CPU: - 1 x M.2 connector (Socket 3, M key, type 2242/2260/2280 SATA and PCIe 3.0
x4/x2 SSD support) Chipset: - 4 x SATA 6Gb/s connectors - Support for RAID 0, RAID 1, and RAID 10
CPU: - 4 x USB 3.2 Gen 1 ports on the back panel Chipset: - 2 x USB 3.2 Gen 1 ports available through the internal USB header - 6 x USB 2.0/1.1 ports (2 ports on the back panel, 4 ports available through
the internal USB headers)

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Internal Connectors
Back Panel Connectors
I/O Controller Hardware Monitor BIOS

1 x 24-pin ATX main power connector 1 x 8-pin ATX 12V power connector 1 x CPU fan header 2 x system fan headers 1 x addressable LED strip header 1 x RGB LED strip header 1 x M.2 Socket 3 connector 4 x SATA 6Gb/s connectors 1 x front panel header 1 x front panel audio header 1 x speaker header 1 x USB 3.2 Gen 1 header 2 x USB 2.0/1.1 headers 1 x Trusted Platform Module (TPM) header (2x6 pin, for the GC-TPM2.0_S
module only) 1 x serial port header 1 x chassis intrusion header 1 x Clear CMOS jumper 1 x PS/2 keyboard/mouse port 1 x DVI-D port 1 x HDMI port 4 x USB 3.2 Gen 1 ports 2 x USB 2.0/1.1 ports 1 x Q-Flash Plus button 1 x RJ-45 port 3 x audio jacks
iTE® I/O Controller Chip
Voltage detection Temperature detection Fan speed detection Overheating warning Fan fail warning Fan speed control
* Whether the fan speed control function is supported will depend on the fan you install.
1 x 128 Mbit flash Use of licensed AMI UEFI BIOS PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

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Unique Features

Bundled

Software

Operating

System

Form Factor

Support for APP Center * Available applications in APP Center may vary by motherboard model. Supported functions of each application may also vary depending on motherboard specifications.
- @BIOS - EasyTune - RGB Fusion - Smart Backup - System Information Viewer Support for Q-Flash Plus Support for Q-Flash Support for Xpress Install Norton® Internet Security (OEM version) Realtek® 8118 Gaming LAN Bandwidth Control Utility
Support for Windows 11 64-bit Support for Windows 10 64-bit
Micro ATX Form Factor; 24.4cm x 20.5cm

* GIGABYTE reserves the right to make any changes to the product specifications and product-related information without prior notice.

& Please visit GIGABYTE's website for support lists of CPU, memory modules, SSDs, and M.2 devices. https://www.gigabyte.com/Motherboard/A520M-H-rev-1x?m=dl#support-dl
& Please visit the SERVICE/SUPPORT\Utility page on GIGABYTE's website to download the latest version of apps. https://www.gigabyte.com/Support/Utility/Motherboard?m=ut
- 8 -

2-3 Installing the CPU
Read the following guidelines before you begin to install the CPU: · Make sure that the motherboard supports the CPU.
(Go to GIGABYTE's website for the latest CPU support list.) · Always turn off the computer and unplug the power cord from the power outlet before installing the
CPU to prevent hardware damage. · Locate the pin one of the CPU. The CPU cannot be inserted if oriented incorrectly. · Apply an even and thin layer of thermal grease on the surface of the CPU. · Do not turn on the computer if the CPU cooler is not installed, otherwise overheating and damage
of the CPU may occur. · Set the CPU host frequency in accordance with the CPU specifications. It is not recommended
that the system bus frequency be set beyond hardware specifications since it does not meet the standard requirements for the peripherals. If you wish to set the frequency beyond the standard specifications, please do so according to your hardware specifications including the CPU, graphics card, memory, hard drive, etc.

Installing the CPU Completely lift up the CPU socket locking lever. Locate the pin one (denoted by a small triangle) of the CPU socket and the CPU. Once the CPU is positioned into its socket, place one finger down on the middle of the CPU, lowering the locking lever and latching it into the fully locked position.

A Small Triangle Marking Denotes Pin One of the Socket

AM4 CPU Socket

A Small Triangle Marking Denotes CPU Pin One

AM4 CPU

Completely lift up the CPU socket locking lever
Do not force the CPU into the CPU socket before the CPU socket locking lever is lifted up, or damage to the CPU and CPU socket may occur.
2-4 Installing the Memory
Read the following guidelines before you begin to install the memory: · Make sure that the motherboard supports the memory. It is recommended that memory of the same
capacity, brand, speed, and chips be used. (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) · Always turn off the computer and unplug the power cord from the power outlet before installing the memory to prevent hardware damage. · Memory modules have a foolproof design. A memory module can be installed in only one direction. If you are unable to insert the memory, switch the direction.
Dual Channel Memory Configuration This motherboard provides two memory sockets and supports Dual Channel Technology. After the memory is installed, the BIOS will automatically detect the specifications and capacity of the memory. Enabling Dual Channel memory mode will double the original memory bandwidth.
& Please visit GIGABYTE's website for details on hardware installation. http://www.gigabyte.com/WebPage/210/quick-guide.html?m=sw
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The two memory sockets are divided into two channels and each channel has one memory socket as following: Channel A: DDR4_A1 Channel B: DDR4_B1 Due to CPU limitations, read the following guidelines before installing the memory in Dual Channel mode.
1. Dual Channel mode cannot be enabled if only one memory module is installed. 2. When enabling Dual Channel mode with two memory modules, it is recommended that memory of
the same capacity, brand, speed, and chips be used.
2-5 Installing an Expansion Card
Read the following guidelines before you begin to install an expansion card: · Make sure the motherboard supports the expansion card. Carefully read the manual that came
with your expansion card. · Always turn off the computer and unplug the power cord from the power outlet before installing an
expansion card to prevent hardware damage.
2-6 Back Panel Connectors
USB 2.0/1.1 Port The USB port supports the USB 2.0/1.1 specification. Use this port for USB devices. PS/2 Keyboard/Mouse Port Use this port to connect a PS/2 mouse or keyboard. DVI-D Port (Note 1) (Note 2) The DVI-D port conforms to the DVI-D specification and supports a maximum resolution of 1920x1200@60 Hz (the actual resolutions supported depend on the monitor being used). Connect a monitor that supports DVI-D connection to this port. HDMI Port (Note 1)
The HDMI port is HDCP 2.3 compliant and supports Dolby TrueHD and DTS HD Master Audio formats. It also supports up to 192KHz/24bit 7.1-channel LPCM audio output. You can use this port to connect your HDMI-supported monitor. The maximum supported resolution is 4096x2160@60 Hz, but the actual resolutions supported are dependent on the monitor being used. After installing the HDMI device, make sure to set the default sound playback device to HDMI. (The item name may differ depending on your operating system.)
· When removing the cable connected to a back panel connector, first remove the cable from your device and then remove it from the motherboard.
· When removing the cable, pull it straight out from the connector. Do not rock it side to side to prevent an electrical short inside the cable connector.
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USB 3.2 Gen 1 Port The USB 3.2 Gen 1 port supports the USB 3.2 Gen 1 specification and is compatible to the USB 2.0 specification. Use this port for USB devices.
USB 3.2 Gen 1 Port (Q-Flash Plus Port) The USB port supports the USB 3.2 Gen 1 specification. Use this port for USB devices. Before using Q-Flash Plus (Note 3), make sure to insert the USB flash drive into this port first.
Q-Flash Plus Button (Note 3) Q-Flash Plus allows you to update the BIOS when your system is off (S5 shutdown state). Save the latest BIOS on a USB thumb drive and plug it into the Q-Flash Plus port, and then you can now flash the BIOS automatically by simply pressing the Q-Flash Plus button. The QFLED will flash when the BIOS matching and flashing activities start and will stop flashing when the main BIOS flashing is complete.
RJ-45 LAN Port The Gigabit Ethernet LAN port provides Internet connection at up to 1 Gbps data rate. The following describes the states of the LAN port LEDs.

Speed LED Activity LED LAN Port

Speed LED:
State Orange Green Off

Description 1 Gbps data rate 100 Mbps data rate 10 Mbps data rate

Activity LED:
State Blinking Off

Description Data transmission or receiving is occurring No data transmission or receiving is occurring

Line In/Rear Speaker Out (Blue) The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.

Line Out/Front Speaker Out (Green) The line out jack.

Mic In/Center/Subwoofer Speaker Out (Pink) The Mic in jack.

Audio Jack Configurations:
Jack
Line In/Rear Speaker Out Line Out/Front Speaker Out Mic In/Center/Subwoofer Speaker Out Front Panel Line Out/Side Speaker Out

Headphone/ 2-channel
a

4-channel
a a

5.1-channel a a a

7.1-channel a a a
a

You can change the functionality of an audio jack using the audio software. To configure 7.1-channel audio, access the audio software for audio settings.
& Please visit GIGABYTE's website for details on configuring the audio software. https://www.gigabyte.com/WebPage/697/realtek897-audio.html

(Note 1) For AMD RyzenTM 5000 G-Series/4000 G-Series Processors only. (Note 2) The DVI-D port does not support D-Sub connection by adapter. (Note 3) To enable the Q-Flash Plus function please visit the "Unique Features" webpage of GIGABYTE's
website.
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2-7 Internal Connectors

4
8 7
18 5
10 6 16 15 14 11 17 9 12 13 4

1) ATX_12V 2) ATX 3) CPU_FAN 4) SYS_FAN1/2 5) D_LED1 6) LED_C 7) SATA3 0/1/2/3 8) M2A_CPU 9) F_PANEL

10) F_AUDIO 11) CI 12) SPEAKER 13) F_U32 14) F_USB1/F_USB2 15) COM 16) TPM 17) CLR_CMOS 18) BAT

Read the following guidelines before connecting external devices: · First make sure your devices are compliant with the connectors you wish to connect. · Before installing the devices, be sure to turn off the devices and your computer. Unplug the power
cord from the power outlet to prevent damage to the devices. · After installing the device and before turning on the computer, make sure the device cable has
been securely attached to the connector on the motherboard.
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1/2) ATX_12V/ATX (2x4 12V Power Connector and 2x12 Main Power Connector) With the use of the power connector, the power supply can supply enough stable power to all the components on the motherboard. Before connecting the power connector, first make sure the power supply is turned off and all devices are properly installed. The power connector possesses a foolproof design. Connect the power supply cable to the power connector in the correct orientation. The 12V power connector mainly supplies power to the CPU. If the 12V power connector is not connected, the computer will not start.
To meet expansion requirements, it is recommended that a power supply that can withstand high power consumption be used (500W or greater). If a power supply is used that does not provide the required power, the result can lead to an unstable or unbootable system.

ATX_12V

ATX_12V:
Pin No. 1 2 3 4

Definition

Pin No.

GND (Only for 2x4-pin 12V) 5

GND (Only for 2x4-pin 12V) 6

GND

Definition +12V (Only for 2x4-pin 12V) +12V (Only for 2x4-pin 12V) +12V +12V

ATX

ATX:
Pin No. 1 2 3 4 5 6 7 8 9 10 11
12

Definition

Pin No.

3.3V

GND

+5V

GND

+5V

GND

Power Good

5VSB (stand by +5V)

+12V

+12V (Only for 2x12-pin 23

ATX) 3.3V (Only for 2x12-pin ATX) 24

Definition 3.3V -12V GND PS_ON (soft On/Off) GND GND GND NC +5V +5V +5V (Only for 2x12-pin ATX)
GND (Only for 2x12-pin ATX)

3/4) CPU_FAN/SYS_FAN1/2 (Fan Headers) All fan headers on this motherboard are 4-pin. Most fan headers possess a foolproof insertion design. When connecting a fan cable, be sure to connect it in the correct orientation (the black connector wire is the ground wire). The speed control function requires the use of a fan with fan speed control design. For optimum heat dissipation, it is recommended that a system fan be installed inside the chassis.

1 CPU_FAN

1 SYS_FAN1

1 SYS_FAN2

Pin No. 1 2 3 4

Definition GND Voltage Speed Control Sense PWM Speed Control

· Be sure to connect fan cables to the fan headers to prevent your CPU and system from overheating. Overheating may result in damage to the CPU or the system may hang.
· These fan headers are not configuration jumper blocks. Do not place a jumper cap on the headers.

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5) D_LED1 (Addressable LED Strip Header) The header can be used to connect a standard 5050 addressable LED strip, with maximum power rating of 5A (5V) and maximum number of 1000 LEDs.

Pin No. Definition

1 V (5V)

2 Data

Addressable LED Strip

3 No Pin 4 GND

G.QBOFM

1
Connect your addressable LED strip to the header. The power pin (marked with a triangle on the plug) of the LED strip must be connected to Pin 1 of the addressable LED strip header. Incorrect connection may lead to the damage of the LED strip.

6) LED_C (RGB LED Strip Header) The header can be used to connect a standard 5050 RGB LED strip (12V/G/R/B), with maximum power rating of 2A (12V) and maximum length of 2m.

Pin No. Definition

1 12V

RGB LED Strip

1
12V
Connect your RGB LED strip to the header. The power pin (marked with a triangle on the plug) of the LED strip must be connected to Pin 1 (12V) of this header. Incorrect connection may lead to the damage of the LED strip.

For how to turn on/off the lights of the LED strip please visit the "Unique Features" webpage of GIGABYTE's website.
Before installing the devices, be sure to turn off the devices and your computer. Unplug the power cord from the power outlet to prevent damage to the devices.
- 14 -

7) SATA3 0/1/2/3 (SATA 6Gb/s Connectors) The SATA connectors conform to SATA 6Gb/s standard and are compatible with SATA 3Gb/s and SATA 1.5Gb/s standard. Each SATA connector supports a single SATA device. The SATA connectors support RAID 0, RAID 1, and RAID 10. Please navigate to the "Configuring a RAID Set" page of GIGABYTE's website for instructions on configuring a RAID array.

SATA3

Pin No. 1 2 3 4 5 6 7

Definition GND TXP TXN GND RXN RXP GND

8) M2A_CPU (M.2 Socket 3 Connector) The M.2 connector supports M.2 SATA SSDs or M.2 PCIe SSDs and support RAID configuration. Please note that an M.2 PCIe SSD cannot be used to create a RAID set with a SATA hard drive. Please navigate to the "Configuring a RAID Set" page of GIGABYTE's website for instructions on configuring a RAID array.

Follow the steps below to correctly install an M.2 SSD in the M.2 connector. Step 1: Locate the proper mounting hole for the M.2 SSD to be installed and then install the mounting clip first. Step 2: Pull the clip's tab up and out of the mounting hole. Slide the M.2 SSD into the connector at an angle. Step 3: Press the M.2 SSD down and then secure it by pressing the clip's tab into the mounting hole.
Select the proper hole for the mounting clip according to the length of the M.2 SSD to be installed.

- 15 -

9) F_PANEL (Front Panel Header) Connect the power switch, reset switch, and system status indicator on the chassis to this header according to the pin assignments below. Note the positive and negative pins before connecting the cables.

Power LED Power Switch

· PLED (Power LED):

PLED+ PLED-
PW+ PW-

System Status LED

S3/S4/S5

Off

Connects to the power status indicator on the chassis front panel. The LED is on when the system is operating. The LED is off when the system is in S3/S4 sleep state

2 1

10 9

· PW (Power Switch): or powered off (S5).

Connects to the power switch on the chassis front panel. You may

HD+ HD-
RESRES+ NC

configure the way to turn off your system using the power switch

(please navigate to the "BIOS Setup" page of GIGABYTE's website

and search for "Settings\Platform Power" for more information).

Hard Drive Reset Switch Activity LED

· HD (Hard Drive Activity LED): Connects to the hard drive activity LED on the chassis front panel. The

· RES (Reset Switch):

LED is on when the hard drive is reading or writing data.

Connects to the reset switch on the chassis front panel. Press the reset switch to restart the computer

if the computer freezes and fails to perform a normal restart.

· NC: No connection.

The front panel design may differ by chassis. A front panel module mainly consists of power switch, reset switch, power LED, hard drive activity LED and etc. When connecting your chassis front panel module to this header, make sure the wire assignments and the pin assignments are matched correctly.

10) F_AUDIO (Front Panel Audio Header) The front panel audio header supports High Definition audio (HD). You may connect your chassis front panel audio module to this header. Make sure the wire assignments of the module connector match the pin assignments of the motherboard header. Incorrect connection between the module connector and the motherboard header will make the device unable to work or even damage it.

Pin No. 1 2 3 4 5

Definition MIC L GND MIC R NC Head Phone R

Pin No. 6 7 8 9 10

Definition MIC Detection SENSE_SEND No Pin Head Phone L Head Phone Detection

Some chassis provide a front panel audio module that has separated connectors on each wire instead of a single plug. For information about connecting the front panel audio module that has different wire assignments, please contact the chassis manufacturer.

11) CI (Chassis Intrusion Header) This motherboard provides a chassis detection feature that detects if the chassis cover has been removed. This function requires a chassis with chassis intrusion detection design.

Pin No. Definition

1 Signal

2 GND

- 16 -

12) SPEAKER (Speaker Header) Connects to the speaker on the chassis front panel. The system reports system startup status by issuing a beep code. One single short beep will be heard if no problem is detected at system startup.

Pin No. Definition

1 VCC

2 NC

3 NC

4 SPK-

13) F_U32 (USB 3.2 Gen 1 Header) The header conforms to USB 3.2 Gen 1 and USB 2.0 specification and can provide two USB ports. For purchasing the optional 3.5" front panel that provides two USB 3.2 Gen 1 ports, please contact the local dealer.

Pin No. Definition

1 VBUS

8 D1-

15 SSTX2-

2 SSRX1-

9 D1+

16 GND

3 SSRX1+

10 NC

17 SSRX2+

4 GND

11 D2+

18 SSRX2-

5 SSTX1-

12 D2-

19 VBUS

6 SSTX1+

13 GND

20 No Pin

7 GND

14 SSTX2+

14) F_USB1/F_USB2 (USB 2.0/1.1 Headers) The headers conform to USB 2.0/1.1 specification. Each USB header can provide two USB ports via an optional USB bracket. For purchasing the optional USB bracket, please contact the local dealer.

Pin No. Definition

1 Power (5V) 2 Power (5V) 3 USB DX-

6 USB DY+ 7 GND 8 GND

4 USB DY-

9 No Pin

5 USB DX+

10 NC

Prior to installing the USB bracket, be sure to turn off your computer and unplug the power cord from the power outlet to prevent damage to the USB bracket.
- 17 -

15) COM (Serial Port Header) The COM header can provide one serial port via an optional COM port cable. For purchasing the optional COM port cable, please contact the local dealer.

Pin No. Definition

1 NDCD-

6 NDSR-

2 NSIN 3 NSOUT

7 NRTS8 NCTS-

4 NDTR-

9 NRI-

5 GND

10 No Pin

16) TPM (Trusted Platform Module Header) You may connect a TPM (Trusted Platform Module) to this header.

Pin No. Definition

1 LAD0

7 LAD3

2 VCC3

8 GND

3 LAD1

9 LFRAME

4 No Pin

10 NC

5 LAD2

11 SERIRQ

6 LCLK

12 LRESET

17) CLR_CMOS (Clear CMOS Jumper) Use this jumper to clear the BIOS configuration and reset the CMOS values to factory defaults. To clear the CMOS values, use a metal object like a screwdriver to touch the two pins for a few seconds.
Open: Normal
Short: Clear CMOS Values
· Always turn off your computer before clearing the CMOS values. · After system restart, go to BIOS Setup to load factory defaults (select Load Optimized Defaults) or
manually configure the BIOS settings (please navigate to the "BIOS Setup" page of GIGABYTE's website for more information).
- 18 -

18) BAT (Battery) The battery provides power to keep the values (such as BIOS configurations, date, and time information) in the CMOS when the computer is turned off. Replace the battery when the battery voltage drops to a low level, or the CMOS values may not be accurate or may be lost.
You may clear the CMOS values by removing the battery: 1. Turn off your computer and unplug the power cord. 2. Gently remove the battery from the battery holder and wait for one minute. (Or use a metal
object like a screwdriver to touch the positive and negative terminals of the battery holder, making them short for 5 seconds.) 3. Replace the battery. 4. Plug in the power cord and restart your computer. · Always turn off your computer and unplug the power cord before replacing the battery. · Replace the battery with an equivalent one. Damage to your devices may occur if the battery is replaced with an incorrect model. · Contact the place of purchase or local dealer if you are not able to replace the battery by yourself or uncertain about the battery model. · When installing the battery, note the orientation of the positive side (+) and the negative side (-) of the battery (the positive side should face up). · Used batteries must be handled in accordance with local environmental regulations.
- 19 -

Chapter 3 BIOS Setup
BIOS (Basic Input and Output System) records hardware parameters of the system in the CMOS on the motherboard. Its major functions include conducting the Power-On Self-Test (POST) during system startup, saving system parameters and loading operating system, etc. BIOS includes a BIOS Setup program that allows the user to modify basic system configuration settings or to activate certain system features. When the power is turned off, the battery on the motherboard supplies the necessary power to the CMOS to keep the configuration values in the CMOS. To access the BIOS Setup program, press the <Delete> key during the POST when the power is turned on.
· To upgrade the BIOS, use either the GIGABYTE Q-Flash or @BIOS utility. · Q-Flash allows the user to quickly and easily upgrade or back up BIOS without entering the operating system. · @BIOS is a Windows-based utility that searches and downloads the latest version of BIOS from the Internet
and updates the BIOS. For instructions on using the Q-Flash and @BIOS utilities, please navigate to the "Unique Features" page of GIGABYTE's website and search for "BIOS Update Utilities."
· Because BIOS flashing is potentially risky, if you do not encounter problems using the current version of BIOS, it is recommended that you not flash the BIOS. To flash the BIOS, do it with caution. Inadequate BIOS flashing may result in system malfunction.
· It is recommended that you not alter the default settings (unless you need to) to prevent system instability or other unexpected results. Inadequately altering the settings may result in system's failure to boot. If this occurs, try to clear the CMOS values and reset the board to default values.
· Refer to the introductions of the battery/clear CMOS jumper in Chapter 2 or navigate to the "BIOS Setup" page of GIGABYTE's website and search for "Load Optimized Defaults" for how to clear the CMOS values.
· The BIOS Setup menus are for reference only and may differ by BIOS version.
& Please visit GIGABYTE's website for details on configuring BIOS Setup. https://www.gigabyte.com/WebPage/954/amd500-bios.html
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Startup Screen: The following startup Logo screen will appear when the computer boots.
Function Keys
Function Keys: <DEL>: BIOS SETUP\Q-FLASH
Press the <Delete> key to enter BIOS Setup or to access the Q-Flash utility in BIOS Setup. <F12>: BOOT MENU
Boot Menu allows you to set the first boot device without entering BIOS Setup. In Boot Menu, use the up arrow key <h> or the down arrow key <i> to select the first boot device, then press <Enter> to accept. The system will boot from the device immediately. Note: The setting in Boot Menu is effective for one time only. After system restart, the device boot order will still be based on BIOS Setup settings. <END>: Q-FLASH Press the <End> key to access the Q-Flash utility directly without having to enter BIOS Setup first.
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Chapter 4 Installing the Operating System and Drivers
4-1 Operating System Installation
With the correct BIOS settings, you are ready to install the operating system. As some operating systems already include RAID driver, you do not need to install separate RAID driver during the Windows installation process. After the operating system is installed, we recommend that you install all required drivers from the GIGABYTE APP Center to ensure system performance and compatibility. If the operating system to be installed requires that you provide additional RAID driver during the OS installation process, please refer to the steps below: Step 1: Go to GIGABYTE's website, browse to the motherboard model's web page, download the AMD RAID Preinstall Driver file on the Support\Download\SATA RAID/AHCI page, unzip the file and copy the files to your USB thumb drive. Step 2: Boot from the Windows setup disc and perform standard OS installation steps. When the screen requesting you to load the driver appears, select Browse. Step 3: Insert the USB thumb drive and then browse to the location of the driver. Select AMD-RAID Bottom Device first and click Next to load the driver. Then select AMD-RAID Controller and click Next to load the driver. Finally, continue the OS installation.
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4-2 Drivers Installation
After you install the operating system, a dialog box will appear on the bottom-right corner of the desktop asking if you want to download and install the drivers and GIGABYTE applications via APP Center. Click Install to proceed with the installation. (In BIOS Setup, make sure Settings\IO Ports\APP Center Download & Install Configuration\APP Center Download & Install is set to Enabled.)
When the End User License Agreement dialog box appears, press <Accept> to install APP Center. On the APP Center screen, select the drivers and applications you want to install and click Install.
Before the installation, make sure the system is connected to the Internet. & Please visit GIGABYTE's website for more software information.
https://www.gigabyte.com/WebPage/320/am4-app-center.html?m=sw & Please visit GIGABYTE's website for more troubleshooting information.
https://www.gigabyte.com/WebPage/351/faq.html - 23 -

Chapter 5 Appendix

5-1 Configuring a RAID Set

RAID Levels
Minimum Number of Hard Drives Array Capacity Fault Tolerance

RAID 0
2
Number of hard drives * Size of the smallest drive
No

RAID 1

RAID 10

Size of the smallest drive

(Number of hard drives/2) * Size of the smallest drive

Yes

Before you begin, please prepare the following items:
This motherboard supports RAID 0, RAID 1, and RAID 10. Prepare the correct number of hard drives as indicated
in the table above before configuring a RAID array. · SATA hard drives or SSDs. To ensure optimal performance, it is recommended that you use two hard drives with identical model and capacity.
· Windows setup disc. · An Internet connected computer. · A USB thumb drive.

An M.2 PCIe SSD cannot be used to set up a RAID set with a SATA hard drive.

& Please visit GIGABYTE's website for details on configuring a RAID array. https://www.gigabyte.com/WebPage/543/a520-raid.html
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Regulatory Notices
United States of America, Federal Communications Commission Statement
Supplier's Declaration of Conformity 47 CFR § 2.1077 Compliance Information
Product Name: Motherboard Trade Name: GIGABYTE Model Number: A520M H
Responsible Party U.S. Contact Information: G.B.T. Inc. Address: 17358 Railroad street, City Of Industry, CA91748 Tel.: 1-626-854-9338 Internet contact information: https://www.gigabyte.com
FCC Compliance Statement: This device complies with Part 15 of the FCC Rules, Subpart B, Unintentional Radiators. 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.

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not installed and used in accordance with manufacturer's instructions, may 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 relocate the receiving antenna. · Increase the separation between the equipment and receiver. · Connect the equipment to an outlet on a circuit different from that to which
the receiver is connected. · Consult the dealer or an experienced radio/TV technician for help.
Canadian Department of Communications Statement This digital apparatus does not exceed the Class B limits for radio noise emissions from digital apparatus set out in the Radio Interference Regulations of the Canadian Department of Communications. This class B digital apparatus complies with Canadian ICES-003.
Avis de conformité à la réglementation d'Industrie Canada Cet appareil numérique de la classe B est conforme à la norme NMB-003 du Canada.
European Union (EU) CE Declaration of Conformity This device complies with the following directives: Electromagnetic Compatibility Directive 2014/30/EU, Low-voltage Directive 2014/35/EU, RoHS directive (recast) 2011/65/EU & the 2015/863 Statement. This product has been tested and found to comply with all essential requirements of the Directives.
European Union (EU) RoHS (recast) Directive 2011/65/EU & the European Commission Delegated Directive (EU) 2015/863 Statement GIGABYTE products have not intended to add and safe from hazardous substances (Cd, Pb, Hg, Cr+6, PBDE, PBB, DEHP, BBP, DBP and DIBP). The parts and components have been carefully selected to meet RoHS requirement. Moreover, we at GIGABYTE are continuing our efforts to develop products that do not use internationally banned toxic chemicals.
European Union (EU) Community Waste Electrical & Electronic Equipment (WEEE) Directive Statement GIGABYTE will fulfill the national laws as interpreted from the 2012/19/EU WEEE (Waste Electrical and Electronic Equipment) (recast) directive. The WEEE Directive specifies the treatment, collection, recycling and disposal of electric and electronic devices and their components. Under the Directive, used equipment must be marked, collected separately, and disposed of properly.
WEEE Symbol Statement The symbol shown below is on the product or on its packaging, which indicates that this product must not be disposed of with other waste. Instead, the device should be taken to the waste collection centers for activation of the treatment, collection, recycling and disposal procedure.
For more information about where you can drop off your waste equipment for recycling, please contact your local government office, your household waste disposal service or where you purchased the product for details of environmentally safe recycling.

Battery Information European Union--Disposal and recycling information GIGABYTE Recycling Program (available in some regions)
This symbol indicates that this product and/or battery should not be disposed of with household waste. You must use the public collection system to return, recycle, or treat them in compliance with the local regulations.
End of Life Directives-Recycling The symbol shown below is on the product or on its packaging, which indicates that this product must not be disposed of with other waste. Instead, the device should be taken to the waste collection centers for activation of the treatment, collection, recycling and disposal procedure.
Déclaration de Conformité aux Directives de l'Union européenne (UE) Cet appareil portant la marque CE est conforme aux directives de l'UE suivantes: directive Compatibilité Electromagnétique 2014/30/UE, directive Basse Tension 2014/35/UE et directive RoHS II 2011/65/UE. La conformité à ces directives est évaluée sur la base des normes européennes harmonisées applicables.
European Union (EU) CE-Konformitätserklärung Dieses Produkte mit CE-Kennzeichnung erfüllen folgenden EU-Richtlinien: EMV-Richtlinie 2014/30/EU, Niederspannungsrichtlinie 2014/30/EU und RoHSRichtlinie 2011/65/EU erfüllt. Die Konformität mit diesen Richtlinien wird unter Verwendung der entsprechenden Standards zurEuropäischen Normierung beurteilt.
CE declaração de conformidade Este produto com a marcação CE estão em conformidade com das seguintes Diretivas UE: Diretiva Baixa Tensão 2014/35/EU; Diretiva CEM 2014/30/EU; Diretiva RSP 2011/65/UE. A conformidade com estas diretivas é verificada utilizando as normas europeias harmonizadas.
CE Declaración de conformidad Este producto que llevan la marca CE cumplen con las siguientes Directivas de la Unión Europea: Directiva EMC (2014/30/EU), Directiva de bajo voltaje (2014/35/EU), Directiva RoHS (recast) (2011/65/EU). El cumplimiento de estas directivas se evalúa mediante las normas europeas armonizadas.
Dichiarazione di conformità CE Questo prodotto è conforme alle seguenti direttive: Direttiva sulla compatibilità elettromagnetica 2014/30/UE, Direttiva sulla bassa tensione 2014/35/UE, Direttiva RoHS (rifusione) 2011/65/UE. Questo prodotto è stato testato e trovato conforme a tutti i requisiti essenziali delle Direttive.
D33006 RoHS

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Contact Us
GIGA-BYTE TECHNOLOGY CO., LTD. Address: No.6, Baoqiang Rd., Xindian Dist., New Taipei City 231 TEL: +886-2-8912-4000, FAX: +886-2-8912-4005 Tech. and Non-Tech. Support (Sales/Marketing) : https://esupport.gigabyte.com WEB address (English): https://www.gigabyte.com WEB address (Chinese): https://www.gigabyte.com/tw
· GIGABYTE eSupport To submit a technical or non-technical (Sales/Marketing) question, please link to: https://esupport.gigabyte.com
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References

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