Asus TUF GAMING B550M-PLUS Manual de utilizare

Marca: Asus

Model: TUF GAMING B550M-PLUS

Categorie: Plăci de bază

Tip: Manual de utilizare

Motherboard

TUF GAMING

B550M-PLUS

E17265

Revised Edition v2

August 2020

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 B550M-PLUS specifications summary ............................................. vi

Chapter 1 Product introduction

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

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

1.3 Central Processing Unit (CPU) ....................................................................1-8

1.4 System memory ............................................................................................1-9

1.5 M.2 installation ............................................................................................1-10

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 configurations .....................................................................................2-5

Appendix

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

ASUS contact information ...................................................................................... A-6

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 find 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 B550M-PLUS specifications summary

CPU

AMD Socket AM4 for 3

Gen AMD Ryzen™ and 3

Gen AMD Ryzen™ with

Radeon™ Graphics Processors*

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

Chipset AMD B550 Chipset

Memory

Gen AMD Ryzen™ Processors

4 x DIMM, Max. 128GB, DDR4 4600(O.C.)/4400(O.C.)/4266(O.C.)/

4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/3600(O.C.)/3466(O.C.)/

3333(O.C.)/3200/3000/2800/2666/2400/2133 MHz, Un-buffered Memory*

Gen AMD Ryzen™ with Radeon™ Graphics Processors

4 x DIMM, Max. 128GB, DDR4 4800(O.C.)/4600(O.C.)/4466(O.C.)/

4400(O.C.)/4266(O.C.)/4133(O.C.)/4000(O.C.)/3866(O.C.)/3733(O.C.)/

3600(O.C.)/3466(O.C.)/3333(O.C.)/3200/3000/2800/2666/2400/2133

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 (Qualified Vendors Lists).

Graphics

1 x DisplayPort 1.2

1 x HDMI

2.1(4K@60Hz)

*Graphics specifications may vary between CPU types.

Expansion Slots

Gen AMD Ryzen™ Processors

1 x PCIe 4.0 x16 slot (supports x16 mode)

Gen AMD Ryzen™ with Radeon™ Graphics Processors

1 x PCIe 3.0 x16 slot (supports x16 mode)

AMD B550 Chipset

1 x PCIe 3.0 x16 slot (supports x4 mode)

1 x PCIe 3.0 x1 slot

*Support PCIe bifurcation for RAID on CPU function.

Multi-GPU Support

Supports AMD 2-Way CrossFireX™ Technology

(continued on the next page)

Package contents

Check your motherboard package for the following items.

Motherboard

1 x TUF GAMING B550M-PLUS 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

Application DVD

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 B550M-PLUS specifications summary

Storage

Total supports 2 x M.2 slots and 4 x SATA 6Gb/s ports

Gen AMD Ryzen™ Processors

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

modes)

Gen AMD Ryzen™ with Radeon™ Graphics Processors

M.2_1 slot (Key M), type 2242/2260/2280 (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)

4 x SATA 6Gb/s ports

Support RAID 0, 1, 10

Ethernet

1 x Realtek RTL8125B 2.5Gb Ethernet

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 ALC S1200A 7.1-Channel High Definition Audio CODEC

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

- Supports up to 24-Bit/192 kHz playback

Audio Features

- Rear optical S/PDIF out port

- Premium Japanese audio capacitors

- Audio Shielding

- Dedicated audio PCB layers

- Audio cover

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 HDMI

port

1 x Realtek RTL8125B 2.5Gb Ethernet port

5 x Audio jacks

1 x Optical S/PDIF out port

1 x BIOS FlashBack™ button

1 x PS/2 Keyboard/Mouse combo port

(continued on the next page)

viii

TUF GAMING B550M-PLUS specifications summary

Internal I/O

Connectors

Fan and cooling related

1 x 4-pin CPU Fan header

1 x 4-pin CPU OPT Fan header

2 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)

4 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

1 x AURA Addressable Gen 2 header

2 x AURA RGB headers

1 x Clear CMOS header

1 x COM Port header

1 x Front Panel Audio header (AAFP)

1 x Speaker header

1 x SPI TPM header (14-1pin)

1 x 10-1 pin System Panel 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

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 header

(continued on the next page)

TUF GAMING B550M-PLUS specifications summary

Software

Features

ASUS Exclusive Software

Armoury Crate

- Aura Creator

- Aura Sync

- AI Noise-Canceling Microphone

AI Suite 3

- Performance and Power Saving Utility

TurboV EVO

EPU

DIGI+ VRM

Fan Xpert 2+

- EZ update

TUF GAMING CPU-Z

AI Charger

ASUS Turbo LAN

DAEMON Tools

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 10 64- bit

Form Factor

mATX Form Factor

9.6 inch x 9.6 inch (24.4 cm x 24.4 cm)

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

latest specications.

ASUS TUF GAMING B550M-PLUS

1-1

Product introduction

1.1 Before you proceed

Take note of the following precautions before you install motherboard components or change

any motherboard settings.

• Unplug the power cord from the wall socket before touching any component.

• Before handling components, use a grounded wrist strap or touch a safely grounded

object or a metal object, such as the power supply case, to avoid damaging them due

to static electricity.

• Before you install or remove any component, ensure that the ATX power supply is

switched off or the power cord is detached from the power supply. Failure to do so

may cause severe damage to the motherboard, peripherals, or components.

Unplug the power cord before installing or removing the motherboard. Failure to do so can

cause you physical injury and damage motherboard components.

1.2 Motherboard overview

Place this

side towards

the rear of the

chassis

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

CHA_FAN2

CPU_FAN

CPU_OPT

COM_DEBUG

CHA_FAN1

TPM

RGB_HEADER2

RGB_HEADER1

ADD_GEN 2

SPEAKER

AURA

F_PANEL

AAFP

SATA6G_4

CLRTC

SATA6G_3 SATA6G_2 SATA6G_1

256Mb

BIOS

BOOT

VGA

CPU

DRAM

EATX12V

EATXPWR

U32G1_12

BATTERY

U32G2_C2

LAN_U32G2_1

KBMS

_USB78

U32G1_3-6

HDMI

_DP

AUDIO

Super

I/O

PCIEX1

M.2_1(SOCKET3)

M.2_2(SOCKET3)

228022110 2260 2242

2280 2260 2242

PCIEX16_2

PCIEX16_1

USB_E34USB_E12

COM

24.4cm(9.6in)

SOCKET AM4

BIOS_FLBK

FLBK_LED1

RTL

8125B

AMD

B550

10 11 41314

5 116 24 4

717159

1-2

Chapter 1: Product introduction

1.2.1 Layout contents

1. CPU socket

The motherboard comes with an AMD Socket AM4 designed for 3

Gen AMD Ryzen™ and

Gen AMD Ryzen™ with Radeon™ Graphics Processors.

For more details, refer to Central Processing Unit (CPU).

2. DDR4 DIMM slots

The motherboard comes with Dual Inline Memory Modules (DIMM) slots designed for DDR4

(Double Data Rate 4) memory modules.

For more details, refer to System memory.

3. Expansion slots

This motherboard supports two PCIe x16 graphics cards and one PCIe 3.0 x1 network card,

SCSI card or other card that comply with the PCI Express specication. Please refer to the

following table for the Hyper M.2 conguration.

Hyper M.2 x16 series card configuration

Slot

PCIe bifurcation settings in PCIe x16 slots with different Ryzen™ CPUs

PCIEX16_1

Gen AMD Ryzen™ Processors

(Support PCIe Gen 4 SSDs)

Gen AMD Ryzen™ with Radeon™ Graphics

Processors (Only support PCIe Gen 3 SSDs)

Supported SSDs Supported SSDs

4 3

• Hyper M.2 X16 series cards are sold separately.

• When using 3

Gen AMD Ryzen™ Processors and a Hyper M.2 X16 series card with

4 M.2 SSDs, if you wish to connect a display, we suggest installing a VGA card to

PCIe X16_2, which will run at x4.

• Set PCIEX16_1 to [PCIe RAID Mode] under BIOS settings to enable the Hyper M.2

X16 series card.

4. Fan headers

The Fan headers allow you to connect fans to cool the system.

Header

Max.

Current

Max.

Power

Default Speed

Shared

Control

CPU_FAN 1A 12W Q-Fan Controlled A

CPU_OPT 1A 12W Q-Fan Controlled A

CHA_FAN1 1A 12W Q-Fan Controlled -

CHA_FAN2 1A 12W Q-Fan Controlled -

5. Power connectors

These Power connectors allow you to connect your motherboard to a power supply. The

power supply plugs are designed to t in only one orientation. Find the proper orientation and

push down rmly until the power supply plugs are fully inserted.

Ensure to connect the 8-pin power plug.

GND

FAN PWR

FAN IN

FAN PWM

GND

FAN PWR

FAN IN

FAN PWM

ASUS TUF GAMING B550M-PLUS

1-3

• For a fully congured system, we recommend that you use a power supply unit

(PSU) that complies with ATX 12V Specication 2.0 (or later version) and provides a

minimum power of 350 W.

• We recommend that you use a PSU with a higher power output when conguring a

system with more power-consuming devices. The system may become unstable or

may not boot up if the power is inadequate.

• If you are uncertain about the minimum power supply requirement for your system, we

recommend you to refer to online resources for Power Supply Wattage Calculator.

6. M.2 Slots (Key M)

The M.2 slots allow you to install M.2 devices such as M.2 SSD modules.

• For 3

Gen AMD Ryzen™ processors, M.2_1 slot supports PCIe 4.0 x4 mode and

SATA mode M Key design and type 2242 / 2260 / 2280 storage devices.

• For 3

Gen AMD Ryzen™ with Radeon™ Graphics Processors, M.2_1 slot supports

PCIe 3.0 x4 mode and SATA mode M Key design and type 2242 / 2260 / 2280

storage devices.

• For AMD B550 chipset, M.2_2 slot supports PCIe 3.0 x4 mode and SATA mode M

Key design and type 2242 / 2260/ 2280 / 22110 storage devices.

7. SATA 6Gb/s ports

The SATA 6Gb/s ports allow you to connect SATA devices such as optical disc drives and

hard disk drives via a SATA cable.

8. USB 3.2 Gen 1 header

The USB 3.2 Gen 1 header allows you to connect a USB 3.2 Gen

1 module for additional USB 3.2 Gen 1 ports. The USB 3.2 Gen 1

header provides data transfer speeds of up to 5 Gb/s.

The USB 3.2 Gen 1 module is purchased separately.

9. USB 2.0 headers

The USB 2.0 headers allow you to connect a USB module for additional USB

2.0 ports. The USB 2.0 headers provide data transfer speeds of up to 480

Mb/s.

DO NOT connect a 1394 cable to the USB connectors. Doing so will

damage the motherboard!

The USB 2.0 module is purchased separately.

10. Aura Addressable Gen 2 header

The Addressable Gen 2 header allows you to connect individually

addressable RGB WS2812B LED strips or WS2812B based LED strips.

The Addressable Gen 2 header supports WS2812B addressable RGB

LED strips (5V/Data/Ground), with a maximum power rating of 3A (5V),

and the addressable headers on this board can handle a combined

maximum of 500 LEDs.

USB3+5V

IntA_P1_SSRX-

IntA_P1_SSRX+

GND

IntA_P1_SSTX-

IntA_P1_SSTX+

GND

IntA_P1_D-

IntA_P1_D+

GND

PIN 1

USB3+5V

IntA_P2_SSRX-

IntA_P2_SSRX+

GND

IntA_P2_SSTX-

IntA_P2_SSTX+

GND

IntA_P2_D-

IntA_P2_D+

USB+5V

USB_E1-

USB_E1+

GND

USB+5V

USB_E2-

USB_E2+

GND

PIN 1

+5V

Data

Ground

PIN 1

ADD_GEN 2

1-4

Chapter 1: Product introduction

Before you install or remove any component, ensure that the power supply is switched off

or the power cord is detached from the power supply. Failure to do so may cause severe

damage to the motherboard, peripherals, or components.

• Actual lighting and color will vary with LED strip.

• If your LED strip does not light up, check if the addressable RGB LED strip is

connected in the correct orientation, and the 5V connector is aligned with the 5V

header on the motherboard.

• The addressable RGB LED strip will only light up when the system is powered on.

• The addressable RGB LED strip is purchased separately.

11. Aura RGB headers

The RGB headers allow you to connect RGB LED strips.

The RGB headers support 5050 RGB multi-color LED strips (12V/G/R/B), with a maximum

power rating of 3A (12V), and no longer than 3 m.

Before you install or remove any component, ensure that the ATX power supply is switched

off or the power cord is detached from the power supply. Failure to do so may cause severe

damage to the motherboard, peripherals, or components.

• Actual lighting and color will vary with LED strip.

• If your LED strip does not light up, check if the RGB LED extension cable and the

RGB LED strip are connected in the correct orientation, and the 12V connector is

aligned with the 12V header on the motherboard.

• The LED strip will only light up when the system is powered on.

• The LED strip is purchased separately.

12. Clear CMOS header

This header allows you to clear the CMOS RTC RAM data of the system setup

information such as date, time, and system passwords.

To erase the RTC RAM:

1. Turn OFF the computer and unplug the power cord.

2. Use a metal object such as a screwdriver to short the two pins.

3. Plug the power cord and turn ON the computer.

4. Hold down the <Del> key during the boot process and enter BIOS setup to re-

enter data.

If the steps above do not help, remove the onboard battery and short the two pins again to

clear the CMOS RTC RAM data. After clearing the CMOS, reinstall the battery.

13. COM Port header

This header is for a serial (COM) port. Connect the serial port module cable

to this header, then install the module to a slot opening at the back of the

system chassis.

CLRTC

+3V_BAT

GND

PIN 1

COM

DCD

TXD

GND

RTS

RXD

DTR

DSR

CTS

ASUS TUF GAMING B550M-PLUS

1-5

14. Front panel audio header

This header is for a chassis-mounted front panel audio I/O module that

supports HD audio standard. Connect one end of the front panel audio

I/O module cable to this header.

• We recommend that you connect a high-denition front panel

audio module to this header to avail of the motherboard’s high-

denition audio capability.

• If you want to connect a high-denition front panel audio

module to this header, set the Front Panel Type item in the

BIOS setup to [HD Audio]. By default, this header is set to [HD

Audio].

15. Speaker header

The 4-pin header is for the chassis-mounted system warning speaker. The

speaker allows you to hear system beeps and warnings.

16. SPI TPM header

This header supports a Trusted Platform Module (TPM) system with a

Serial Peripheral Interface (SPI), allowing you to securely store keys, digital

certicates, passwords, and data. A TPM system also helps enhance

network security, protects digital identities, and ensures platform integrity.

17. 10-1 pin System Panel header

This header supports several chassis-mounted functions.

• System power LED (2-pin +PWR_LED-)

This 2-pin header is for the system power LED. Connect the chassis

power LED cable to this header. The system power LED lights up

when you turn on the system power, and blinks when the system is in

sleep mode.

• Hard disk drive activity LED (2-pin +HDD_LED-)

This 2-pin header is for the HDD Activity LED. Connect the HDD

Activity LED cable to this header. The HDD LED lights up or flashes

when data is read from or written to the HDD.

• Power button/Soft-off button (2-pin PWR_BTN)

This header is for the system power button.

• Reset button (2-pin RESET)

This 2-pin header is for the chassis-mounted reset button for system reboot without

turning off the system power.

AAFP

AGND

SENSE1_RETUR

SENSE2_RETUR

PORT1 L

PORT1 R

PORT2 R

SENSE_SEND

PORT2 L

HD-audio-compliant

pin definition

+5V

GND

Speaker Out

SPEAKER

PIN 1

TPM

PIN 1

T_SPI_MOSI

T_SPI_CLK

GND

F_BIOS_WP#_R

S_SPI_TPM_CS2#

S_SPI_TPM_IRQ#

F_SPI_HOLD#_R

T_SPI_MISO

F_SPI_CS0#_R

+3V_SPI

F2_SPI_CS1#_R

S_PLTRST#

VCCSPI

PIN 1

PWR_BTN

PWR_LED+

PWR_LED-

PWR

GND

HDD_LED+

HDD_LED-

Ground

HWRST#

(NC)

F_PANEL

+PWR_LED-

+HDD_LED- RESET

1-6

Chapter 1: Product introduction

1.2.2 Rear panel connectors

1. PS/2 keyboard/mouse combo port. This port is for a PS/2 mouse or keyboard.

2. USB 3.2 Gen 1 (up to 5Gbps) ports. These 9-pin Universal Serial Bus (USB) ports

connect to USB 3.2 Gen 1 devices.

3. USB 3.2 Gen 1 (up to 5Gbps) port with BIOS FlashBack

function. Insert a USB

storage device to this 9-pin Universal Serial Bus (USB) port to run BIOS FlashBack

4. DisplayPort. This port is for a DisplayPort-compatible device.

10 13 1412

2 4 5 61

811

7 8 9

15 16

18. Q-LEDs

The Q-LEDs check key components (CPU, DRAM, VGA, and booting devices) during the

motherboard booting process. If an error is found, the critical component’s LED stays lit up

until the problem is solved.

The Q-LEDs provide the most probable cause of an error code as a starting point for

troubleshooting. The actual cause may vary from case to case.

19. BIOS FlashBack

LED

The FlashBack™ LED lights up or blinks to indicate the status of the BIOS

FlashBack™.

Scan the QR code for more information on BIOS FlashBack

function.

ASUS TUF GAMING B550M-PLUS

1-7

Realtek RTL8125B 2.5G Ethernet port LED indications

6. USB 3.2 Gen 2 (up to 10Gbps) port (teal blue, Type A). This 9-pin Universal Serial

Bus 3.2 (USB 3.2) port is for USB 3.2 Gen 2 devices.

7. Center / Subwoofer port (orange). This port connects the center/subwoofer speakers.

8. Rear Speaker Out port (black). This port connects the rear speakers in a 4 channel,

5.1 channel, or 7.1 channel audio conguration.

9. Line In port (light blue). This port connects the tape, CD, DVD player, or other audio

sources.

10. USB 2.0 ports. These 4-pin Universal Serial Bus (USB) ports are for USB 2.0 devices.

11. BIOS FlashBack

button. Press the BIOS FlashBack

button for three seconds until

the FlashBack

LED blinks three times, indicating that the BIOS FlashBack

function

is enabled.

12. HDMI

port. This port is for a High-Denition Multimedia Interface (HDMI

)

connector, and is HDCP compliant allowing playback of HD DVD, Blu-ray, and other

protected content.

13. USB 3.2 Gen 2 (up to 10Gbps) port (USB Type-C

). This 9-pin Universal Serial Bus

3.2 (USB 3.2) port is for USB 3.2 Gen 2 Type-C

devices.

14. Optical S/PDIF Out port. This port connects to the optical S/PDIF devices.

15. Microphone port (pink). This port connects a microphone.

16. Line Out port (lime). This port connects a headphone or a speaker. In 4-channel,

5.1-channel, and 7.1-channel congurations, the function of this port becomes Front

Speaker Out.

Refer to the audio conguration table for the function of the audio ports in 2, 4, 5.1, or

7.1-channel conguration.

Audio 2, 4, 5.1 or 7.1-channel configuration

Port

Headset

2-channel

4-channel 5.1-channel 7.1-channel

Light Blue Line In Line In Line In Side Speaker Out

Lime Line Out Front Speaker Out Front Speaker Out Front Speaker Out

Pink Mic In Mic In Mic In Mic In

Orange – – Center/Subwoofer Center/Subwoofer

Black – Rear Speaker Out Rear Speaker Out Rear Speaker Out

Activity Link LED Speed LED

Status Description Status Description

OFF No link OFF

No link

GREEN Linked GREEN

2.5 Gbps connection

BLINKING Data activity ORANGE

1 Gbps / 100 Mbps /

10 Mbps connection

ACT/LINK

LED

SPEED

LED

LAN port

5. 2.5G Ethernet port. This port allows 2.5Gbps Ethernet connection to a Local Area

Network (LAN) through a network hub. Refer to the table below for the Ethernet port

LED indications.

1-8

Chapter 1: Product introduction

1.3 Central Processing Unit (CPU)

This motherboard comes with an AMD Socket AM4 designed for

Gen AMD Ryzen™ and 3

Gen AMD Ryzen™ with Radeon™

Graphics

Processors.

Unplug all power cables before installing the CPU.

The AM4 socket has a different pinout design. Ensure that you use a CPU designed for the

AM4 socket. The CPU ts in only one correct orientation. DO NOT force the CPU into the

socket to prevent bending the connectors on the socket and damaging the CPU!

Installing the CPU

Apply the Thermal Interface Material to the CPU heatsink and CPU before you install the

heatsink and fan if necessary.

ASUS TUF GAMING B550M-PLUS

1-9

1.4 System memory

This motherboard comes with four Double Data Rate 4 (DDR4) Dual Inline Memory Module

(DIMM) sockets. The gure illustrates the location of the DDR4 DIMM sockets:

Channel Sockets

Channel A DIMM_A1 & DIMM_A2*

Channel B DIMM_B1 & DIMM_B2*

DIMM_A2*

DIMM_A1

DIMM_B2*

DIMM_B1

• You may install varying memory sizes in Channel A and Channel B. The system

maps the total size of the lower-sized channel for the dual-channel conguration. Any

excess memory from the higher-sized channel is then mapped for single-channel

operation.

• Always install DIMMs with the same CAS latency. For optimal compatibility, we

recommend that you install memory modules of the same version or date code (D/C)

from the same vendor. Check with the retailer to get the correct memory modules.

• A DDR4 memory module is notched differently from a DDR, DDR2, or DDR3 module.

DO NOT install a DDR, DDR2, or DDR3 memory module to the DDR4 slot.

• The default memory operation frequency is dependent on its Serial Presence Detect

(SPD), which is the standard way of accessing information from a memory module.

Under the default state, some memory modules for overclocking may operate at a

lower frequency than the vendor-marked value.

• For system stability, use a more efcient memory cooling system to support a full

memory load.

• Refer to www.asus.com for the latest Memory QVL (Qualied Vendors Lists).

Recommended memory configurations

DIMM_B2*

DIMM_A1

DIMM_A2*

DIMM_B2*

DIMM_A2*

DIMM_B1

DIMM_B2*

1-10

Chapter 1: Product introduction

1.5 M.2 installation

• Ensure to install the bundled M.2 rubber pad before installing your single sided M.2

storage device.

• DO NOT install the bundled M.2 rubber pads when installing a double-sided M.2

storage device. The rubber pad installed by default is compatible with double sided

M.2 storage devices.

• The diagrams in this section are for reference only.

• The M.2 is purchased separately.

OPTIONAL

1 2

Installing a DIMM

1 2

To remove a DIMM

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Asus TUF GAMING B550M-PLUS Manual de utilizare

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Model: TUF GAMING B550M-PLUS

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