MSI MAG B550M MORTAR WIFI User Manual

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Quick Start
Quick Start
Thank you for purchasing the MSI® MAG B550M MORTAR WIFI/ MAG B550M MORTAR
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 MAG B550M MORTAR WIFI Specifications

General

Form Factor	Micro ATX
Chipset	AMD B550
Socket	AM4
Memory Slots	4 x DIMM
Max Memory	128 GB
Audio	Realtek ALC1200 Codec
RGB Support	Mystic Light RGB
Memory Speed	Up to 4400 MHz (OC)
Storage Interface	6 x SATA 6Gb/s
USB Ports	1 x USB 3.2 Gen 2 Type-C, 1 x USB 3.2 Gen 2 Type-A, 2 x USB 2.0
Networking	Realtek RTL8125B 2.5G LAN
LAN	2.5Gbps
Wi-Fi	Wi-Fi 6 AX200
PCIe Slots	1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16 (x4 mode), 1 x PCIe 3.0 x1

Summary

Quick Start Guide

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 Procedure

Installing OS, Drivers & Utilities

Installing Windows 10

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

Installing Drivers

Instructions for installing necessary hardware drivers.

Rear I/O Panel

Overview of Components

Processor Socket

Details the CPU socket and installation process.

DIMM Slots

Instructions for installing memory modules.

PCIe Expansion Slots

Information on installing expansion cards in PCIe slots.

M.2 Slots (Key M)

Power Connectors

Connecting the ATX power supply.

USB 3.2 Gen 1 Connectors

Fan Connectors

UEFI BIOS Configuration

BIOS Setup Basics

General access and initial setup procedures for BIOS.

Resetting and Updating BIOS

Methods for restoring BIOS defaults and updating firmware.

EZ Mode Overview

Advanced Mode Overview

SETTINGS Menu

OC Menu

Adjusting CPU/memory frequencies and voltages for overclocking.

M-FLASH Menu

Hardware Monitor Menu

AMD RAID Configuration

Enabling RAID Utility

Initializing and Creating RAID Arrays

Preparing disks and setting up RAID arrays.

Deleting RAID Arrays

Installing RAID Driver

Installing the necessary drivers for RAID in the OS.

Troubleshooting Common Issues

Power and Boot Problems

Resolving issues with power, display signal, and system booting.

BIOS and Connectivity Issues