Gigabyte B550 UD AC Manual de usuario

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

https://www.gigabyte.com/Motherboard/B550-UD-AC-rev-12?m=ma#kf

GIGABYTE will reduce paper use in order to fulll 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.

B550 UD AC

User's Manual

Rev. 1201

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.

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:

- 3 -

Table of Contents

B550 UD AC Motherboard Layout...................................................................................4

Chapter 1 Hardware Installation .....................................................................................5

1-1 Installation Precautions.................................................................................... 5

1-2 Product Specications...................................................................................... 6

1-3 Installing the CPU ............................................................................................ 9

1-4 Installing the Memory....................................................................................... 9

1-5 Installing an Expansion Card ......................................................................... 10

1-6 Back Panel Connectors.................................................................................. 10

1-7 Internal Connectors........................................................................................ 13

Chapter 2 BIOS Setup ..................................................................................................21

2-1 Startup Screen ............................................................................................... 21

2-2 The Main Menu .............................................................................................. 22

2-3 Favorites (F11) ............................................................................................... 23

2-4 Tweaker.......................................................................................................... 24

2-5 Settings .......................................................................................................... 27

2-6 System Info. ................................................................................................... 33

2-7 Boot................................................................................................................ 34

2-8 Save & Exit..................................................................................................... 37

Chapter 3 Appendix ......................................................................................................38

3-1 Conguring a RAID Set.................................................................................. 38

3-2 Drivers Installation.......................................................................................... 40

Regulatory Notices.................................................................................................... 41

Contact Us ................................................................................................................ 44

- 4 -

B550 UD AC Motherboard Layout

Box Contents

5B550 UD AC motherboard 5User's Manual

5Two antennas 5Two SATA cables

5I/O Shield 5M.2 screws

* 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.

Temperature sensor

USB20_1

USB20_2

M2_WIFI

HDMI

U32C

U32G2

QFLASH_PLUS

QFLED

U32_LAN

ATX

AUDIO

DDR4_A1

DDR4_A2

DDR4_B1

DDR4_B2

ATX_12V

AMD B550

CLR_CMOS

M_BIOS

PCIEX1_3

PCIEX1_1

PCIEX1_2

PCIEX1_4

PCIEX16

SYS_FAN2

CODEC

B550 UD AC

F_USB2 F_U32

F_U32C

SYS_FAN3

TPM F_USB1 F_PANEL

D_LED2 LED_C2

D_LED1

LED_C1

F_AUDIO

SYS_FAN1

LED_CPU

CPU_FAN

iTE®

Super I/O

M2A_CPU

4280 60110

M2B_SB

4280 60110

SATA3 1 0

SATA3 2 3

BAT

Realtek®

GbE LAN

Socket AM4

CPU_OPT

USB 2.0 Hub

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.

- 5 -

1-2 ProductSpecications

CPU AMD Socket AM4, support for:

AMD Ryzen™5000 G-Series Processors/

AMD Ryzen™5000 Series Processors/

AMD Ryzen™4000 G-Series Processors/

AMD Ryzen™3000 Series 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 MT/s 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 AMD Ryzen™5000 G-Series/4000 G-Series Processors:

- 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

Audio Realtek®Audio CODEC

High Denition Audio

2/4/5.1/7.1-channel

* You can change the functionality of an audio jack using the audio software. To congure

7.1-channel audio, access the audio software for audio settings.

LAN Realtek®GbE LAN chip (1 Gbps/100 Mbps)

Wireless

Communication

Module

Realtek®Wi-Fi RTL8821CE

- WIFI 802.11a, b, g, n, ac, supporting 2.4/5 GHz Dual-Band

- BLUETOOTH 4.2

- Support for 11ac wireless standard and up to 433 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:

- AMD Ryzen™ 5000 Series Processors/AMD Ryzen™3000 Series Processors

support PCIe 4.0 x16 mode

- AMD Ryzen™5000 G-Series/4000 G-Series 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.

4 x PCI Express x1 slots, integrated in the Chipset:

- Supporting PCIe 3.0 x1 mode

- 6 -

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

M key, type 2242/2260/2280/22110 SSDs:

- AMD Ryzen™5000 Series/3000 Series Processors support SATA and PCIe

4.0 x4/x2 SSDs

- AMD Ryzen™5000 G-Series/4000 G-Series Processors support SATA and

PCIe 3.0 x4/x2 SSDs

1 x M.2 connector (M2B_SB), integrated in the Chipset, supporting Socket 3,

M key, type 2242/2260/2280/22110 SSDs:

- Supporting SATA and PCIe 3.0 x4/x2 SSDs

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

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

USB CPU:

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

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

- 2 x USB 3.2 Gen 1 ports on the back panel

Chipset:

- 1 x USB Type-C®port with USB 3.2 Gen 1 support, available through the

internal USB header

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

- 4 x USB 2.0/1.1 ports available through the internal USB headers

Chipset+USB 2.0 Hub:

- 4 x USB 2.0/1.1 ports on the back panel

Internal

Connectors

1 x 24-pin ATX main power connector

1 x 8-pin ATX 12V power connector

1 x CPU fan header

1 x water cooling CPU fan header

3 x system fan headers

2 x addressable LED strip headers

2 x RGB LED strip headers

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

2 x M.2 Socket 3 connectors

4 x SATA 6Gb/s connectors

1 x front panel header

1 x front panel audio header

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

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 Clear CMOS jumper

Back Panel

Connectors

4 x USB 2.0/1.1 ports

2 x SMA antenna connectors (1T1R)

1 x HDMI port

1 x USB 3.2 Gen 2 Type-A port (red)

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

1 x Q-Flash Plus button

1 x RJ-45 port

2 x USB 3.2 Gen 1 ports

3 x audio jacks

- 7 -

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

Hardware

Monitor

Voltage detection

Temperature detection

Fan speed detection

Water cooling ow rate detection

Fan fail warning

Fan speed control

* Whether the fan speed control function is supported will depend on the cooler you install.

BIOS 1 x 128 Mbit ash

Use of licensed AMI UEFI BIOS

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

- RGB Fusion

- Smart Backup

- System Information Viewer

Support for Q-Flash Plus

Support for Q-Flash

Support for Xpress Install

Bundled

Software

Norton®Internet Security (OEM version)

LAN bandwidth management software

Operating

System

Support for Windows 11 64-bit

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.

https://www.gigabyte.com/Motherboard/B550-UD-AC-rev-12?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 -

1-3 Installing the CPU

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.

•When installing a single memory module, we recommend that you install it in the DDR4_A2 socket.

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

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 nger down on the middle of the

CPU, lowering the locking lever and latching it into the fully locked position.

AM4 CPU Socket

A Small Triangle

Marking Denotes Pin

One of the Socket AM4 CPU

A Small Triangle Marking

Denotes CPU Pin One

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.

&Please visit GIGABYTE's website for details on hardware installation.

http://www.gigabyte.com/WebPage/210/quick-guide.html?m=sw

- 9 -

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 (1T1R)

Use this connector to connect an antenna.

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.

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

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.

- 10 -

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