Asus TUF GAMING B550-PLUS Manual de usuario

Motherboard

TUF GAMING

B550-PLUS WIFI II

E18578

First Edition

September 2021

No part of this manual, including the products and software described in it, may be reproduced,

transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any

means, except documentation kept by the purchaser for backup purposes, without the express written

permission of ASUSTeK COMPUTER INC. (“ASUS”).

Product warranty or service will not be extended if: (1) the product is repaired, modied or altered, unless

such repair, modication of alteration is authorized in writing by ASUS; or (2) the serial number of the

product is defaced or missing.

ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF

MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS

DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,

INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,

LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),

EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM ANY

DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.

SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR

INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,

AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO

RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN THIS

MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.

Products and corporate names appearing in this manual may or may not be registered trademarks or

copyrights of their respective companies, and are used only for identication or explanation and to the

owners’ benet, without intent to infringe.

iii

Contents

Safety information...................................................................................................... iv

About this guide.......................................................................................................... v

Package contents....................................................................................................... vi

TUF GAMING B550-PLUS WIFI II specications summary..................................... vi

Connectors with shared bandwidth .......................................................................... x

Chapter 1 Product Introduction

1.1 Before you proceed...................................................................................... 1-1

1.2 Motherboard overview ................................................................................. 1-1

1.3 Central Processing Unit (CPU).................................................................... 1-9

1.4 System memory.......................................................................................... 1-10

1.5 M.2 installation............................................................................................ 1-11

Chapter 2 BIOS and RAID Support

2.1 Knowing BIOS............................................................................................... 2-1

2.2 BIOS Setup program .................................................................................... 2-2

2.3 ASUS EZ Flash 3........................................................................................... 2-3

2.4 ASUS CrashFree BIOS 3.............................................................................. 2-4

2.5 RAID congurations..................................................................................... 2-5

Appendix

Notices ..................................................................................................................... A-1

Warranty................................................................................................................... A-8

ASUS contact information.................................................................................... A-10

Service and Support ............................................................................................. A-10

Safety information

Electrical safety

• To prevent electrical shock hazard, disconnect the power cable from the electrical outlet

before relocating the system.

• When adding or removing devices to or from the system, ensure that the power cables

for the devices are unplugged before the signal cables are connected. If possible,

disconnect all power cables from the existing system before you add a device.

• Before connecting or removing signal cables from the motherboard, ensure that all power

cables are unplugged.

• Seek professional assistance before using an adapter or extension cord. These devices

could interrupt the grounding circuit.

• Ensure that your power supply is set to the correct voltage in your area. If you are not

sure about the voltage of the electrical outlet you are using, contact your local power

company.

• If the power supply is broken, do not try to x it by yourself. Contact a qualied service

technician or your retailer.

Operation safety

• Before installing the motherboard and adding components, carefully read all the manuals

that came with the package.

• Before using the product, ensure all cables are correctly connected and the power cables

are not damaged. If you detect any damage, contact your dealer immediately.

• To avoid short circuits, keep paper clips, screws, and staples away from connectors,

slots, sockets and circuitry.

• Avoid dust, humidity, and temperature extremes. Do not place the product in any area

where it may be exposed to moisture.

• Place the product on a stable surface.

• If you encounter technical problems with the product, contact a qualied service

technician or your retailer.

• Your motherboard should only be used in environments with ambient temperatures

between 0°C and 40°C.

About this guide

This user guide contains the information you need when installing and conguring the

motherboard.

How this guide is organized

This guide contains the following parts:

• Chapter 1: Product Introduction

This chapter describes the features of the motherboard and the new technology it

supports. It includes descriptions of the switches, jumpers, and connectors on the

motherboard.

• Chapter 2: BIOS and RAID Support

This chapter tells how to boot into the BIOS, upgrade BIOS using the EZ Flash Utility

and support on RAID.

Where to nd more information

Refer to the following sources for additional information and for product and software

updates.

1. ASUS website

The ASUS website provides updated information on ASUS hardware and software

products. Refer to the ASUS contact information.

2. Optional documentation

Your product package may include optional documentation, such as warranty flyers,

that may have been added by your dealer. These documents are not part of the

standard package.

Conventions used in this guide

To ensure that you perform certain tasks properly, take note of the following symbols used

throughout this manual.

CAUTION: Information to prevent damage to the components and injuries to

yourself when trying to complete a task.

IMPORTANT: Instructions that you MUST follow to complete a task.

NOTE: Tips and additional information to help you complete a task.

TUF GAMING B550-PLUS WIFI II specications summary

CPU

AMD AM4 Socket for AMD Ryzen™ 5000 Series/ 5000 G-Series/

4000 G-Series/ 3000 Series Desktop Processors*

*Refer to www.asus.com for CPU support list.

Chipset AMD B550 Chipset

Memory

4 x DIMM, Max. 128GB, DDR4

4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/4333(OC)/4266(OC)/

4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/3600(OC)/3466(OC)/

3400(OC)/3333(OC)/3200/3000/2933/2800/2666/2400/2133 MHz, Un-

buffered Memory*

Dual Channel Memory Architecture

* ECC Memory (ECC mode) support varies by CPU.

* Refer to www.asus.com for the Memory QVL (Qualied Vendors Lists), and memory

frequency support depends on the CPU types.

Graphics

1 x DisplayPort 1.2

1 x HDMITM 2.1(4K@60HZ)

*Graphics specications may vary between CPU types.

Expansion Slots

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

1 x PCIe 4.0 x16 slot (supports x16 mode)

AMD RyzenTM 5000 G-Series/ 4000 G-Series Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD B550 Chipset

1 x PCIe 3.0 x16 slot (supports x4 mode)*

3 x PCIe 3.0 x1 slots*

*PCIE 3.0 X16_2 runs x1 mode when any of the PCIe 3.0 x1 slots is occupied.

**Support PCIe bifurcation for RAID on CPU function.

(continued on the next page)

Package contents

Check your motherboard package for the following items.

Motherboard 1 x TUF GAMING B550-PLUS WIFI II motherboard

Cables 2 x SATA 6Gb/s cables

Miscellaneous

1 x I/O Shield

1 x M.2 Rubber package

1 x M.2 SSD screw package

1 x TUF Gaming sticker

1 x ASUS 2x2 dual-band Wi-Fi moving antennas

Installation Media 1 x Support DVD

Documentation 1 x TUF Certication card

1 x User manual

If any of the above items is damaged or missing, contact your retailer.

vii

TUF GAMING B550-PLUS WIFI II specications summary

Storage

Total supports 2 x M.2 slots and 6 x SATA 6Gb/s ports

AMD Ryzen™ 5000 Series/ 3000 Series Desktop Processors

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 4.0 x4 &

SATA modes)

AMD RyzenTM 5000 G-Series/ 4000 G-Series Processors

M.2_1 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 &

SATA modes)

AMD B550 Chipset

M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 &

SATA modes)*

6 x SATA 6Gb/s ports

Supports RAID 0, 1, 10

* M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated,

SATA6G_56 will be disabled.

Ethernet 1 x Realtek 2.5Gb Ethernet

Wireless &

Bluetooth

Wi-Fi 6

2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax)

Supports 2.4/5GHz frequency band

Bluetooth v5.2"

* Bluetooth v5.2 function will be ready in Windows 11 or later.

USB

Rear USB (Total 8 ports)

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)

4 x USB 3.2 Gen 1 ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

Front USB (Total 6 ports)

1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 headers support additional 4 USB 2.0 ports

Audio

Realtek 7.1 Surround Sound High Denition Audio CODEC*

- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking

- Supports up to 24-Bit/192 kHz playback”

Audio Features

- Audio Shielding

- Rear optical S/PDIF out port

- Premium Japanese audio capacitors

- Dedicated audio PCB layers

- Audio Cover

(continued on the next page)

viii

TUF GAMING B550-PLUS WIFI II specications summary

Back Panel I/O

Ports

2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C®)

4 x USB 3.2 Gen 1 ports (4 x Type-A)

2 x USB 2.0 ports (2 x Type-A)

1 x DisplayPort

1 x HDMITM port

1 x ASUS Wi-Fi Module

1 x Realtek 2.5Gb Ethernet port

5 x Audio jacks

1 x Optical S/PDIF out port

1 x BIOS FlashBack™ button

Internal I/O

Connectors

Fan and cooling related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

1 x 4-pin AIO Pump header

3 x 4-pin Chassis Fan headers

Power related

1 x 24-pin Main Power connector

1 x 8-pin +12V Power connector

Storage related

2 x M.2 slots (Key M)

6 x SATA 6Gb/s ports

USB

1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports

2 x USB 2.0 headers support additional 4 USB 2.0 ports

Miscellaneous

2 x AURA Addressable Gen 2 headers

2 x AURA RGB headers

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x SPI TPM header (14-1pin)

1 x 20-5 pin System Panel header

1 x Thermal Sensor header

1 x Thunderbolt header

Special Features

ASUS TUF PROTECTION

- ASUS DIGI+ VRM (Digital power design with DrMOS)

- ASUS Enhanced DRAM Overcurrent Protection

- ASUS ESD Guards

- TUF LANGuard

- ASUS Overvoltage Protection

- ASUS SafeSlot

- ASUS Stainless-Steel Back I/O

(continued on the next page)

TUF GAMING B550-PLUS WIFI II specications summary

Special Features

ASUS Q-Design

- ASUS Q-DIMM

- ASUS Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device

[yellow green])

- ASUS Q-Slot

ASUS Thermal Solution

- Aluminum M.2 heatsink

ASUS EZ DIY

- BIOS FlashBack™ button

- BIOS FlashBack™ LED

- ProCool

AURA Sync

- AURA RGB headers

- Addressable Gen 2 RGB headers

Software

Features

ASUS Exclusive Software

Armoury Crate

- AURA Sync

- Two-Way AI Noise Cancelation

AI Suite 3

- Performance and Power Saving Utility

TurboV EVO

EPU

DIGI+ VRM

Fan Xpert 4

PC Cleaner

- EZ update

- System Information

AURA Creator

TUF GAMING CPU-Z

DTS Custom for GAMING Headsets

Norton Anti-virus software (Free Trial for 60 days)

WinRAR

UEFI BIOS

ASUS EZ DIY

- ASUS CrashFree BIOS 3

- ASUS EZ Flash 3

- ASUS UEFI BIOS EZ Mode

BIOS 256 Mb Flash ROM, UEFI AMI BIOS

Manageability WOL by PME, PXE

Operating

System Windows® 11 64-bit, Windows® 10 64-bit

Form Factor ATX Form Factor

12 inch x 9.6 inch (30.5 cm x 24.4 cm)

Specications are subject to change without notice. Refer to the ASUS website for the

latest specications.

Connectors with shared bandwidth

DDR4 DIMM_A1 (64bit, 288-pin module)

DDR4 DIMM_A2* (64bit, 288-pin module)

DDR4 DIMM_B1 (64bit, 288-pin module)

DDR4 DIMM_B2* (64bit, 288-pin module)

DIGI+

VRM

AIO_PUMP

CHA_FAN3 CHA_FAN2

CHA_FAN1

Realtek

2.5Gb

CPU_FAN CPU_OPT

BOOT

VGA

CPU

DRAM

M.2_1(SOCKET3)

RGB_HEADER2

COM_DEBUG

COM

AURA

RGB_HEADER1

ADD_GEN 2_2

ADD_GEN 2_1

PANEL

AAFP CLRTC

T_SENSOR

256Mb

BIOS

SATA6G_12SATA6G_34SATA6G_56

EATX12V

EATXPWR

U32G1_12

BATTERY

HDMI

_DP

PCIEX1_1

2280

TPM

2260 2242

M.2_2(SOCKET3)

2280

22110

2260 2242

PCIEX1_2

PCIEX1_3

PCIEX16_2

PCIEX16_1

USB_E34 USB_E12

TB_HEADER

U2_56U32G1_78

AUDIO

LAN_U32G1_34

SOCKET AM4

FLBK_LED1

BIOS_FLBK

U32G2_C6

U32G2_5

M.2(WIFI)

AMD

B550

Configuration 1 2

PCIEX16_2 x4 x1

PCIEX1_1 -x1

PCIEX1_2 -x1

PCIEX1_3 - x1

Configuration 1 2

BM.2_2 PCIe 3.0 x4 / SATA -

SATA6G_56 -v

• PCIE 3.0 X16_2 runs x1 mode when any of the PCIe 3.0 x1 slots is occupied.

• M.2_2 shares bandwidth with SATA6G_56. When M.2_2 is populated, SATA6G_56

will be disabled.

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