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Summary of Contents for Gigabyte B550 AORUS MASTER

B550AORUSMASTER

User’s Manual

Rev. 1001

12ME-B55AMST-1001R

For more product details, please visit GIGABYTE’s website.

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

© 2020 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.

Documentation Classifications

In order to assist in the use of this product, GIGABYTE provides the following types of

documentations:

For quick set-up of the product, read the Quick Installation Guide included with the product.For detailed product information, carefully read the User’s Manual.

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:

— 3 —

B550 AORUS MASTER Motherboard Block Diagram

— 5 —

— 6 —

— 7 —

— 8 —

— 9 —

1-3	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

Locate the pin one (denoted by a small triangle) of the CPU socket and the CPU.

	A Small Triangle		A Small Triangle
	Marking Denotes Pin	AM4 Socket	AM4 CPU
	Marking Denotes CPU
	One of the Socket
		Pin One

1-4 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 four 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.

The four memory sockets are divided into two channels and each channel has two memory sockets as following:

Channel A: DDR4_A1, DDR4_A2Channel B: DDR4_B1, DDR4_B2

Please visit GIGABYTE’s website for details on hardware installation.

— 11 —

Recommanded Dual Channel Memory Configuration:

	DDR4_A1	DDR4_A2	DDR4_B1	DDR4_B2
2 Modules	— —	DS/SS	— —	DS/SS
4 Modules	DS/SS	DS/SS	DS/SS	DS/SS

(SS=Single-Sided, DS=Double-Sided, «- -«=No Memory)

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 or four memory modules, it is recommended that memory of the same capacity, brand, speed, and chips be used.

1-5 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.

1-6 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.

SMA Antenna Connectors (2T2R)

Use this connector to connect an antenna.

Tighten the antennas to the antenna connectors and then aim the antennas correctly for better signal reception.

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 4096×2160@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.

— 12 —

USB 3.2 Gen 2 Port

The USB 3.2 Gen 2 port supports the USB 3.2 Gen 2 specification and is compatible to the USB 3.2 Gen 1 and USB 2.0 specification. Use this port for USB devices.

USB 3.2 Gen 2 Port (Q-Flash Plus Port)

The USB 3.2 Gen 2 port supports the USB 3.2 Gen 2 specification and is compatible to the USB 3.2 Gen 1 and USB 2.0 specification. Use this port for USB devices. Before using Q-Flash Plus(Note 2), make sure to insert the USB flash drive into this port first.

Q-Flash Plus Button (Note 2)

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 2.5 Gbps data rate. The following describes the states of the LAN port LEDs.

Connection/

Activity LED

Connection/Speed LED:

Activity LED:

Speed LED

State

Description

State

Description

Orange

2.5 Gbps data rate

Blinking

Data transmission or receiving is occurring

Green

1 Gbps data rate

Off

No data transmission or receiving is occurring

Off

100 Mbps data rate

LAN Port

USB Type-C™ Port

The reversible USB port supports the USB 3.2 Gen 2 specification and is compatible to the USB 3.2 Gen 1 and USB 2.0 specification. Use this port for USB devices.

Center/Subwoofer Speaker Out

Use this audio jack to connect center/subwoofer speakers.

Rear Speaker Out

Use this audio jack to connect rear speakers.

Optical S/PDIF Out Connector

This connector provides digital audio out to an external audio system that supports digital optical audio. Before using this feature, ensure that your audio system provides an optical digital audio in connector.

Line In/Side Speaker Out

The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.

Line Out/Front Speaker Out

The line out jack. This jack supports audio amplifying function. For better sound quality, it is recommended that you connect your headphone/speaker to this jack (actual effects may vary by the device being used).

Mic In/Side Speaker Out

The Mic in jack.

(Note 1) For new Generation AMD Ryzen™ with Radeon™ Graphics processors only.

(Note 2) To enable the Q-Flash Plus function please visit the «Unique Features» webpage of GIGABYTE’s website.

— 13 —

Audio Jack Configurations:

	Jack	Headphone/	4-channel	5.1-channel	7.1-channel
	2-channel
	Center/Subwoofer Speaker			a	a
	Out
	Rear Speaker Out		a	a	a
	Line In/Side Speaker Out				a
	Line Out/Front Speaker Out	a	a	a	a
	Mic In/Side Speaker Out				a

If you want to install a Side Speaker, you need to retask either the Line in or Mic in jack to be Side Speaker out through the audio driver.

Please visit GIGABYTE’s website for details on configuring the audio software.

— 14 —

1-7 Internal Connectors

4

1

1

6

3

8

10

11

									2
9									5
									4
									7
13									21
									20
13									12
13
									19
15	8	10	7	17	4	5	16	18	14

1)	ATX_12V1/ATX_12V2	12)	SATA3 0/1/2/3/4/5
2)	ATX	13)	M2A_CPU/M2B_CPU/M2C_CPU
3)	CPU_FAN	14)	F_PANEL
4)	SYS_FAN1/2/3/4	15)	F_AUDIO
5)	SYS_FAN5_PUMP/SYS_FAN6_PUMP	16)	F_U32
6)	CPU_OPT	17)	F_USB1/F_USB2
7)	EC_TEMP1/EC_TEMP2	18)	TPM
	D_LED1/D_LED2	19)	CLR_CMOS
9)	LED_CPU	20)	BAT
10)	LED_C1/LED_C2	21)	CPU/DRAM/VGA/BOOT
11)	NOISE_SENSOR

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.

— 15 —

— 16 —

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.

For more product details, please visit GIGABYTE’s website.

Copyright

© 2020 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 specications 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.

Documentation Classications

In order to assist in the use of this product, GIGABYTE provides the following types of

documentations:

For quick set-up of the product, read the Quick Installation Guide included with the product.

For detailed product information, carefully read the User’s Manual.

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:

— 3 —

Table of Contents

B550 AORUS MASTER Motherboard Layout ………………………………………………………..4

B550 AORUS MASTER Motherboard Block Diagram …………………………………………….. 5

Chapter 1 Hardware Installation ………………………………………………………………………….6

1-1 Installation Precautions ………………………………………………………………………… 6

1-2 Product Specications ………………………………………………………………………….. 7

1-3 Installing the CPU ……………………………………………………………………………… 11

1-4 Installing the Memory …………………………………………………………………………. 11

1-5 Installing an Expansion Card ………………………………………………………………. 12

1-6 Back Panel Connectors ………………………………………………………………………. 12

1-7 Internal Connectors ……………………………………………………………………………. 15

Chapter 2 BIOS Setup ……………………………………………………………………………………..24

2-1 Startup Screen ………………………………………………………………………………….. 24

2-2 The Main Menu …………………………………………………………………………………. 25

2-3 Favorites (F11) ………………………………………………………………………………….. 26

2-4 Tweaker ……………………………………………………………………………………………. 27

2-5 Settings ……………………………………………………………………………………………. 30

2-6 System Info. ……………………………………………………………………………………… 35

2-7 Boot …………………………………………………………………………………………………. 36

2-8 Save & Exit ……………………………………………………………………………………….. 39

Chapter 3 Appendix …………………………………………………………………………………………40

3-1 Conguring a RAID Set ………………………………………………………………………. 40

3-2 Drivers Installation ……………………………………………………………………………… 42

3-3 Debug LED Codes …………………………………………………………………………….. 43

Regulatory Notices ………………………………………………………………………………………. 47

Contact Us …………………………………………………………………………………………………. 52

— 4 —

B550 AORUS MASTER Motherboard Layout

Box Contents

5B550 AORUS MASTER motherboard 5One antenna

5Motherboard driver disc 5Four SATA cables

5User’s Manual 5Two thermistor cables

5Quick Installation Guide 5One noise detection cable

5One RGB LED strip extension cable 5Two Velcro cable ties

5One addressable LED strip adapter cable 5One G Connector

* The box contents above are for reference only and the actual items shall depend on the product package you obtain.

The box contents are subject to change without notice.

CPU DRAM

VGA BOOT

USB 2.0 Hub

USB20

USB_HDMI

U32G2C

U32G2_1

U32G2_2

QFLASH_PLUS

QFLED

U32G2_LAN

ATX

DB_PORT (Note)

AUDIO

DDR4_A1

DDR4_A2

DDR4_B1

DDR4_B2

ATX_12V2

ATX_12V1

AMD B550

CLR_CMOS

M_BIOS

B_BIOS

PCIEX4_1

PCIEX4_2

PCIEX16

SYS_FAN5_PUMPSYS_FAN4

SYS_FAN2

EC_TEMP1

CODEC

B550 AORUS MASTER

F_PANEL

F_USB1EC_TEMP2 SYS_FAN6_PUMP

F_USB2 SYS_FAN3

USB 2.0 Hub

D_LED2

LED_C1

LED_C2

D_LED1

F_AUDIO F_U32

SYS_FAN1

LED_CPU

M2_WIFI

CPU_OPT

iTE®

Super I/O

M2A_CPU

4280110

M2B_CPU

4280110

M2C_CPU

4280110

SATA3

420

531

BAT

Realtek®

2.5GbE LAN

TPM

Socket AM4

CPU_FAN NOISE_

SENSOR

(Note) For debug code information, please refer to Chapter 3.

x1

— 5 —

B550 AORUS MASTER Motherboard Block Diagram

AMD Socket

AM4 CPU

CPU CLK+/- (100~500 MHz)

PCI Express 4.0/3.0 Bus

PCIe 3.0 x4

LAN

RJ45

M.2 WIFI

Module

Realtek®

2.5GbE LAN

4 SATA 6Gb/s

(SATA3 0~3)

PCI Express 3.0 Bus

Center/Subwoofer

Speaker Out

Line Out

MIC

Line In

S/PDIF Out

Rear Speaker Out

CODEC

8 USB 2.0/1.1

2 USB 3.2 Gen 1

2 USB 2.0/1.1

1 USB Type-C™,

USB 3.2 Gen 2

1 USB 3.2 Gen 2

Type A

4 USB 3.2 Gen 2

Type A

AMD B550

x4x4 x1

HDMI

Switch

1 x PCI Express x4

1 x PCI Express x4

2 SATA 6Gb/s

(SATA3 4/5)

or

USB 2.0

Hub

1 M.2 Socket 3

(M2A_CPU)

LPC

Bus

TPM

iTE®

Super I/O

SPI

Bus Dual BIOS

Switch

x16

1 PCI Express x16

1 PCI Express x8

or

2 M.2 Socket 3

(M2B_CPU/

M2C_CPU)

DDR4 3200/2933/2667/2400/2133 MHz

Chapter 1 Hardware Installation

1-1 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 rst 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 certied computer technician.

•If you use an adapter, extension power cable, or power strip, ensure to consult with its installation

and/or grounding instructions.

— 6 —

1-2 Product Specications

CPU AMD Socket AM4, support for:

3rd Generation AMD Ryzen™ processors/

New Generation AMD Ryzen™ with Radeon™ Graphics processors

(Go to GIGABYTE’s website for the latest CPU support list.)

Chipset AMD B550

Memory  4 x DDR4 DIMM sockets supporting up to 128 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 Prole (XMP) memory modules

(Go to GIGABYTE’s website for the latest supported memory speeds and memory

modules.)

Onboard

Graphics

Integrated in the New Generation AMD Ryzen™ with Radeon™ Graphics processors:

— 1 x HDMI port, supporting a maximum resolution of 4096×2160@60 Hz

* Support for HDMI 2.1 version, HDCP 2.3, and HDR.

Maximum shared memory of 16 GB

Audio Realtek® ALC1220-VB codec

* The back panel line out jack supports DSD audio.

Support for DTS:X® Ultra

High Denition Audio

2/4/5.1/7.1-channel

Support for S/PDIF Out

LAN Realtek® 2.5GbE LAN chip (2.5 Gbit/1 Gbit/100 Mbit)

Wireless

Communication

Module

Intel® Wi-Fi 6 AX200

— WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band

— BLUETOOTH 5

— Support for 11ax 160MHz wireless standard and up to 2.4 Gbps data rate

* Actual data rate may vary depending on environment and equipment.

Expansion Slots 1 x PCI Express x16 slot (PCIEX16), integrated in the CPU:

— 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x16 mode

— New Generation AMD Ryzen™ with Radeon™ Graphics processors support

PCIe 3.0 x16 mode

* For optimum performance, if only one PCI Express graphics card is to be installed,

be sure to install it in the PCIEX16 slot.

* The PCIEX16 slot shares bandwidth with the M2B_CPU and M2C_CPU connectors.

The PCIEX16 slot operates at up to x8 mode when a device is installed in the

M2B_CPU or M2C_CPU connector.

2 x PCI Express x16 slots (PCIEX4_1/PCIEX4_2), integrated in the Chipset:

— Supporting PCIe 3.0 x4 mode

* The PCIEX4_2 slot shares bandwidth with the SATA3 4, 5 connectors. The PCIEX4_2

slot operates at up to x2 mode when a device is installed in the SATA3 4 or SATA3 5

connector.

— 7 —

Storage Interface  1 x M.2 connector (M2A_CPU), integrated in the CPU, supporting Socket 3,

M key, type 2242/2280/22110 SSDs:

— 3rd Generation AMD Ryzen™ processors support SATA and PCIe 4.0 x4/x2

SSDs

— New Generation AMD Ryzen™ with Radeon™ Graphics processors support

SATA and PCIe 3.0 x4/x2 SSDs

 2 x M.2 connectors (M2B_CPU/M2C_CPU), integrated in the CPU, supporting

Socket 3, M key, type 2242/2280/22110 SSDs:

— 3rd Generation AMD Ryzen™ processors support PCIe 4.0 x4/x2 SSDs

— New Generation AMD Ryzen™ with Radeon™ Graphics processors support

PCIe 3.0 x4/x2 SSDs

6 x SATA 6Gb/s connectors, integrated in the Chipset:

— Support for RAID 0, RAID 1, and RAID 10

USB CPU:

— 4 x USB 3.2 Gen 2 Type-A ports (red) on the back panel

Chipset:

— 1 x USB Type-C™ port on the back panel, with USB 3.2 Gen 2 support

— 1 x USB 3.2 Gen 2 Type-A port (red) on the back panel

— 2 x USB 3.2 Gen 1 ports available through the internal USB header

— 2 x USB 2.0/1.1 ports on the back panel

Chipset+2 USB 2.0 Hubs:

— 8 x USB 2.0/1.1 ports (4 ports on the back panel, 4 ports available through

the internal USB headers)

Internal

Connectors

1 x 24-pin ATX main power connector

1 x 8-pin ATX 12V power connector

1 x 4-pin ATX 12V power connector

1 x CPU fan header

1 x water cooling CPU fan header

4 x system fan headers

2 x system fan/water cooling pump headers

2 x addressable LED strip headers

2 x RGB LED strip headers

1 x CPU cooler LED strip/RGB LED strip header

3 x M.2 Socket 3 connectors

6 x SATA 6Gb/s connectors

1 x front panel header

1 x front panel audio header

1 x USB 3.2 Gen 1 header

2 x USB 2.0/1.1 headers

1 x noise detection header

 1 x Trusted Platform Module (TPM) header (2×6 pin, for the GC-TPM2.0_S

module only)

1 x Clear CMOS jumper

2 x temperature sensor headers

— 8 —

Back Panel

Connectors

2 x SMA antenna connectors (2T2R)

1 x HDMI port

6 x USB 2.0/1.1 ports

5 x USB 3.2 Gen 2 Type-A ports (red)

1 x USB Type-C™ port, with USB 3.2 Gen 2 support

1 x Q-Flash Plus button

1 x RJ-45 port

1 x optical S/PDIF Out connector

5 x audio jacks

I/O Controller iTE® I/O Controller Chip

Hardware

Monitor

Voltage detection

Temperature detection

Fan speed detection

Water cooling ow rate detection

Overheating warning

Fan fail warning

Fan speed control

* Whether the fan (pump) speed control function is supported will depend on the fan

(pump) you install.

Noise detection

BIOS 2 x 256 Mbit ash

Use of licensed AMI UEFI BIOS

Support for DualBIOS™

PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0

Unique Features 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 specications.

— @BIOS

— EasyTune

— Fast Boot

— Game Boost

— ON/OFF Charge

— RGB Fusion

— Smart Backup

— System Information Viewer

Support for Q-Flash Plus

Support for Q-Flash

Support for Xpress Install

— 9 —

Bundled

Software

Norton® Internet Security (OEM version)

XSplit Gamecaster + Broadcaster (12 months license)

Realtek® 8125 Gaming LAN Bandwidth Control Utility

Operating

System Support for Windows 10 64-bit

Form Factor ATX Form Factor; 30.5cm x 24.4cm

* GIGABYTE reserves the right to make any changes to the product specications and product-related information without

prior notice.

Please visit GIGABYTE’s website

for support lists of CPU, memory

modules, SSDs, and M.2 devices.

Please visit the SupportUtility List

page on GIGABYTE’s website to

download the latest version of apps.

— 10 —

Please visit GIGABYTE’s website for details on hardware installation.

Dual Channel Memory Conguration

This motherboard provides four memory sockets and supports Dual Channel Technology. After the memory

is installed, the BIOS will automatically detect the specications and capacity of the memory. Enabling Dual

Channel memory mode will double the original memory bandwidth.

The four memory sockets are divided into two channels and each channel has two memory sockets as following:

Channel A: DDR4_A1, DDR4_A2

Channel B: DDR4_B1, DDR4_B2

1-3 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 specications. It is not recommended

that the system bus frequency be set beyond hardware specications since it does not meet the

standard requirements for the peripherals. If you wish to set the frequency beyond the standard

specications, please do so according to your hardware specications including the CPU, graphics

card, memory, hard drive, etc.

Installing the CPU

Locate the pin one (denoted by a small triangle) of the CPU socket and the CPU.

AM4 Socket

A Small Triangle

Marking Denotes Pin

One of the Socket AM4 CPU

A Small Triangle

Marking Denotes CPU

Pin One

1-4 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.

— 11 —

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 or four memory modules, it is recommended that memory

of the same capacity, brand, speed, and chips be used.

1-5 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.

Recommanded Dual Channel Memory Conguration:

DDR4_A1 DDR4_A2 DDR4_B1 DDR4_B2

2 Modules — — DS/SS — — DS/SS

4 Modules DS/SS DS/SS DS/SS DS/SS

(SS=Single-Sided, DS=Double-Sided, «- -«=No Memory)

1-6 Back Panel Connectors

USB 2.0/1.1 Port

The USB port supports the USB 2.0/1.1 specication. Use this port for USB devices.

SMA Antenna Connectors (2T2R)

Use this connector to connect an antenna.

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 4096×2160@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.)

Tighten the antennas to the antenna connectors and then aim the antennas correctly for better

signal reception.

•When removing the cable connected to a back panel connector, rst 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.

— 12 —

USB 3.2 Gen 2 Port

The USB 3.2 Gen 2 port supports the USB 3.2 Gen 2 specication and is compatible to the USB 3.2 Gen 1

and USB 2.0 specication. Use this port for USB devices.

USB 3.2 Gen 2 Port (Q-Flash Plus Port)

The USB 3.2 Gen 2 port supports the USB 3.2 Gen 2 specication and is compatible to the USB 3.2 Gen 1

and USB 2.0 specication. Use this port for USB devices. Before using Q-Flash Plus (Note 2), make sure to

insert the USB ash drive into this port rst.

Q-Flash Plus Button (Note 2)

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 ash the BIOS

automatically by simply pressing the Q-Flash Plus button. The QFLED will ash when the BIOS matching

and ashing activities start and will stop ashing when the main BIOS ashing is complete.

RJ-45 LAN Port

The Gigabit Ethernet LAN port provides Internet connection at up to 2.5 Gbps data rate. The following

describes the states of the LAN port LEDs.

USB Type-C™ Port

The reversible USB port supports the USB 3.2 Gen 2 specication and is compatible to the USB 3.2 Gen 1

and USB 2.0 specication. Use this port for USB devices.

Center/Subwoofer Speaker Out

Use this audio jack to connect center/subwoofer speakers.

Rear Speaker Out

Use this audio jack to connect rear speakers.

Optical S/PDIF Out Connector

This connector provides digital audio out to an external audio system that supports digital optical audio.

Before using this feature, ensure that your audio system provides an optical digital audio in connector.

Line In/Side Speaker Out

The line in jack. Use this audio jack for line in devices such as an optical drive, walkman, etc.

Line Out/Front Speaker Out

The line out jack. This jack supports audio amplifying function. For better sound quality, it is recommended

that you connect your headphone/speaker to this jack (actual effects may vary by the device being used).

Mic In/Side Speaker Out

The Mic in jack.

(Note 1) For new Generation AMD Ryzen™ with Radeon™ Graphics processors only.

(Note 2) To enable the Q-Flash Plus function please visit the «Unique Features» webpage of GIGABYTE’s

website.

Connection/

Speed LED Activity LED

LAN Port

Connection/Speed LED:

State Description

Orange 2.5 Gbps data rate

Green 1 Gbps data rate

Off 100 Mbps data rate

Activity LED:

State Description

Blinking Data transmission or receiving is occurring

Off No data transmission or receiving is occurring

— 13 —

Please visit GIGABYTE’s website for details on conguring the audio software.

If you want to install a Side Speaker, you need to retask either the Line in or Mic in jack to be

Side Speaker out through the audio driver.

Audio Jack Congurations:

Jack Headphone/

2-channel 4-channel 5.1-channel 7.1-channel

Center/Subwoofer Speaker

Out a a

Rear Speaker Out a a a

Line In/Side Speaker Out a

Line Out/Front Speaker Out a a a a

Mic In/Side Speaker Out a

— 14 —

1-7 Internal Connectors

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.

1) ATX_12V1/ATX_12V2

2) ATX

3) CPU_FAN

4) SYS_FAN1/2/3/4

5) SYS_FAN5_PUMP/SYS_FAN6_PUMP

6) CPU_OPT

7) EC_TEMP1/EC_TEMP2

D_LED1/D_LED2

9) LED_CPU

10) LED_C1/LED_C2

11) NOISE_SENSOR

12) SATA3 0/1/2/3/4/5

13) M2A_CPU/M2B_CPU/M2C_CPU

14) F_PANEL

15) F_ AUDIO

16) F_U32

17) F_USB1/F_USB2

18) TPM

19) CLR_CMOS

20) BAT

21) CPU/DRAM/VGA/BOOT

1454

21

20

2

11

7

12

5

4

17 1816815

1 1

4

710

19

13

13

9

13

3 8 106

— 15 —

131

2412

ATX

1/2) ATX_12V1/ATX_12V2/ATX (2×2, 2×4, 12V Power Connectors and 2×12 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, rst 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:

Pin No. Denition Pin No. Denition

1 3.3V 13 3.3V

2 3.3V 14 -12V

3 GND 15 GND

4 +5V 16 PS_ON (soft On/Off)

5 GND 17 GND

6 +5V 18 GND

7 GND 19 GND

8 Power Good 20 NC

9 5VSB (stand by +5V) 21 +5V

10 +12V 22 +5V

11 +12V (Only for 2×12-pin

ATX)

23 +5V (Only for 2×12-pin ATX)

12 3.3V (Only for 2×12-pin ATX) 24 GND (Only for 2×12-pin ATX)

ATX_12V2:

Pin No. Denition Pin No. Denition

1 GND (Only for 2×4-pin 12V) 5 +12V (Only for 2×4-pin 12V)

2 GND (Only for 2×4-pin 12V) 6 +12V (Only for 2×4-pin 12V)

3 GND 7 +12V

4 GND 8 +12V

ATX_12V2

41

85

ATX_12V1:

Pin No. Denition

1 GND

2 GND

3 +12V

4 +12V

ATX_12V1

1

3

2

4

— 16 —

5) SYS_FAN5_PUMP/SYS_FAN6_PUMP (System Fan/Water Cooling Pump Headers)

The fan/pump headers 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. The header also provides speed control

for a water cooling pump, refer to Chapter 2, «BIOS Setup,» «SettingsSmart Fan 5,» for more information.

6) CPU_OPT (Water Cooling CPU Fan Header)

The fan header is 4-pin and possesses a foolproof insertion design. 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.

1

Pin No. Denition

1 GND

2 Voltage Speed Control

3 Sense

4 PWM Speed Control

Pin No. Denition

1 GND

2 Voltage Speed Control

3 Sense

4 PWM Speed Control

3/4) CPU_FAN/SYS_FAN1/2/3/4 (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.

•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 conguration jumper blocks. Do not place a jumper cap on the headers.

CPU_FAN SYS_FAN3SYS_FAN1/SYS_FAN2/

SYS_FAN4

1

1

SYS_FAN6_PUMP

1

1

SYS_FAN5_PUMP

1

Pin No. Denition

1 GND

2 Voltage Speed Control

3 Sense

4 PWM Speed Control

— 17 —

D_LED1/D_LED2 (Addressable LED Strip Headers)

The headers 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. Denition

1 V (5V)

2 Data

3 No Pin

4 GND

Connect one end of the included addressable LED strip adapter cable

to this header and the other end to your addressable LED strip. 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.

7) EC_TEMP1/EC_TEMP2 (Temperature Sensor Headers)

Connect the thermistor cables to the headers for temperature detection.

Pin No. Denition

1 SENSOR IN

2 GND

1

1

EC_TEMP1

EC_TEMP2

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.

9) LED_CPU (CPU Cooler LED Strip/RGB LED Strip Header)

The header can be used to connect a CPU cooler LED strip or a standard 5050 RGB LED strip (12V/G/R/B),

with maximum power rating of 2A (12V) and maximum length of 2m.

Pin No. Denition

1 12V

2 G

3 R

4 B

Connect the CPU cooler LED strip/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.

RGB LED

Strip

1

12V

1

1 1

D_LED1 D_LED2

Addressable LED

Strip Adapter Cable

1

— 18 —

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.

10) LED_C1/LED_C2 (RGB LED Strip Headers)

The headers 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. Denition

1 12V

2 G

3 R

4 B

1

Connect one end of the RGB LED strip extension cable to the header

and the other end to your RGB LED strip. The black wire (marked with

a triangle on the plug) of the extension cable must be connected to

Pin 1 (12V) of this header. The 12V pin (marked with an arrow) on the

other end of the extension cable must be lined up with the 12V of the

LED strip. Be careful with the connection orientation of the LED strip;

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.

LED_C2

1

LED_C1

12VRGB

12V

1

RGB LED

Strip

BG12VR

11) NOISE_SENSOR (Noise Detection Header)

This header can be used to connect a noise detection cable to detect the noise inside the case.

Pin No. Denition

1 Noise Detection

2 GND

Before connecting the cable to the header, make sure to remove the jumper cap; re-place the

jumper cap if the header is not in use.

For more information on the noise detection function, please visit the «Unique Features» webpage

of GIGABYTE’s website.

1

Noise Detection

Cable

1

— 19 —

13) M2A_CPU/M2B_CPU/M2C_CPU (M.2 Socket 3 Connectors)

The M.2 connectors support M.2 SATA SSDs or M.2 PCIe SSDs and support RAID conguration. Please

note that an M.2 PCIe SSD cannot be used to create a RAID set either with an M.2 SATA SSD or a SATA

hard drive. Refer to Chapter 3, «Conguring a RAID Set,» for instructions on conguring a RAID array.

Follow the steps below to correctly install an M.2 SSD in the M.2 connector.

Step 1:

Locate the M.2 connector where you will install the M.2 SSD, use a screwdriver to unfasten the screw on

the heatsink and then remove the heatsink. Remove the protective lm from the thermal pad on the M.2

connector.

Step 2:

Locate the proper mounting hole based on the length of your M.2 SSD drive. If needed, move the standoff

to the desired mounting hole. Insert the M.2 SSD into the M.2 connector at an angle.

Step 3:

Press the M.2 SSD down and then secure it with the screw. Replace the heatsink and secure it to the original

hole. Make sure to remove the protective lm from the bottom of the heatsink before replacing the heatsink.

Select the proper hole for the M.2 SSD to be installed and refasten the screw and standoff.

12) SATA3 0/1/2/3/4/5 (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. Refer to Chapter 3, «Conguring a RAID Set,» for instructions on conguring

a RAID array.

Pin No. Denition

1 GND

2 TXP

3 TXN

4 GND

5 RXN

6 RXP

7 GND

1

1

SATA3 4 2 0

5 3 1

7

7

80110 60 42

M2A_CPU

80110 60 42

M2B_CPU (Note)

80110 60 42

M2C_CPU (Note)

(Note) The PCIEX16 slot shares bandwidth with the M2B_CPU and M2C_CPU connectors. The PCIEX16

slot operates at up to x8 mode when a device is installed in the M2B_CPU or M2C_CPU connector.

— 20 —

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.

14) F_PANEL (Front Panel Header)

Connect the power switch, reset switch, speaker, chassis intrusion switch/sensor 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.

15) F_AUDIO (Front Panel Audio Header)

The front panel audio header supports High Denition 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.

91

10 2

Pin No. Denition Pin No. Denition

1 MIC2_L 6 Sense

2 GND 7 FAUDIO_JD

3 MIC2_R 8 No Pin

4 NC 9 LINE2_L

5 LINE2_R 10 Sense

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, speaker and etc. When connecting your chassis

front panel module to this header, make sure the wire assignments and the pin assignments are

matched correctly.

System Status LED

S0 On

S3/S4/S5 Off

•PW (Power Switch):

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

congure the way to turn off your system using the power switch

(refer to Chapter 2, «BIOS Setup,» «SettingsPlatform Power,» for more

information).

•SPEAK (Speaker):

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.

•PLED/PWR_LED (Power LED):

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

or powered off (S5).

•HD (Hard Drive Activity LED):

Connects to the hard drive activity LED on the chassis front panel. The LED is on when the hard drive

is reading or writing data.

•RES (Reset Switch):

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.

•CI (Chassis Intrusion Header):

Connects to the chassis intrusion switch/sensor on the chassis that can detect if the chassis cover has

been removed. This function requires a chassis with a chassis intrusion switch/sensor.

•NC: No connection.

NC

NC

Power LED

1

2

19

20

CI-

CI+

PWR_LED-

PWR_LED+

PLED-

PW-

SPEAK+

SPEAK-

PLED+

PW+

Power LED

HD-

RES+

HD+

RES-

Hard Drive

Activity LED

Reset

Switch Chassis Intrusion

Header

Power Switch Speaker

PWR_LED-

— 21 —