MSI B550-A PRO

1
Quick Start
Quick Start
Thank you for purchasing the MSI® B550-A PRO(CEC) motherboard. This Quick Start
section provides demonstration diagrams about how to install your computer. Some
of the installations also provide video demonstrations. Please link to the URL to watch
it with the web browser on your phone or tablet. You may have even link to the URL by
scanning the QR code.
Preparing Tools and Components
DDR4 Memory
Graphics Card
SATA Hard Disk Drive
SATA DVD Drive
Phillips Screwdriver
Chassis
Power Supply Unit
A Package of Screws
Thermal Paste
CPU Fan
AMD
®
AM4 CPU

MSI B550-A PRO Specifications

General

Brand	MSI
Model	B550-A PRO
Category	Motherboard
Language	English

Summary

Preparing Tools and Components

Safety Information

Installing a Processor

Installing DDR4 Memory

Connecting the Front Panel Header

Installing the Motherboard

Connecting the Power Connectors

Installing SATA Drives

Installing a Graphics Card

Connecting Peripheral Devices

Power On

Specifications

Package Contents

Block Diagram

Rear IO Panel

LAN Port LED Status Table

Explains the meaning of LAN port LED status indicators for network connectivity.

Audio Ports Configuration

Diagram showing how to connect audio devices to the motherboard's audio jacks.

Realtek Audio Console

Processor Socket

DIMM Slots

PCIe Expansion Slots

SATA Connectors

M.2 Slots

Front Panel Connectors

Front Audio Connector

Specific details on the front panel audio connector pinout.

Power Connectors

USB 3.2 Gen 1 Type-C Connector

USB 3.2 Gen 1 Connector

USB 2.0 Connectors

TPM Module Connector

Fan Connectors

Chassis Intrusion Connector

Serial Port Connector

Clear CMOS Jumper

RGB LED Connector

Addressable RGB LED Connectors

EZ Debug LED & Control

Installing OS, Drivers & Utilities

Installing Windows 10

Step-by-step instructions for installing the Windows 10 operating system.

Installing Drivers

Guide on installing essential system drivers from the included disc or website.

Installing Utilities

Instructions for installing additional software utilities for enhanced system functionality.

UEFI BIOS

BIOS Setup

Explains how to enter and navigate the BIOS setup utility and function keys.

Resetting BIOS

Methods for resetting BIOS settings to default values to resolve system issues.

Updating BIOS

Procedures for updating the motherboard's BIOS using M-FLASH.

Updating BIOS with MSI CENTER

Guide to updating BIOS via the MSI Center software.

Updating BIOS with Flash BIOS Button

Instructions for updating BIOS using the dedicated Flash BIOS Button.

EZ Mode

Overview of the EZ Mode interface for basic BIOS configuration and system information.

Advanced Mode

Introduction to the Advanced Mode interface for detailed BIOS settings and configuration.

SETTINGS Menu

Details on configuring system parameters, chipset, and boot devices in the BIOS.

OC Menu

Guide for adjusting CPU and memory frequencies and voltages for overclocking.

M-FLASH Menu

Instructions on how to update the BIOS using the M-FLASH utility.

OC PROFILE Menu

Describes how to manage overclocking profiles, save, load, and clear them.

HARDWARE MONITOR Menu

Information on adjusting fan speeds and monitoring system voltages and temperatures.

AMD RAID Configuration

Initializing Disks

Steps to initialize new or legacy disks before creating an AMD RAID array.

Creating Arrays

Guide on creating RAID arrays by selecting RAID levels and physical disks.

Deleting Arrays

Procedure for permanently deleting existing RAID arrays and their data.

Installing RAID Driver

Instructions for installing the necessary AMD RAID drivers for OS and RAIDXpert2.

Troubleshooting

Regulatory Notices