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MSI X399 SLI PLUS User Manual

MSI X399 SLI PLUS
90 pages
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Unpacking
Unpacking
Thank you for buying the MSI
®
X399 SLI PLUS motherboard. Check to make sure your
motherboard box contains the following items. If something is missing, contact your
dealer as soon as possible.
SLI Bridge
Connector
I/O Shield
Drivers & Utilities
Disc
Motherboard User
Guide
Quick Guide
OC Fan Stand
Motherboard
SATA Cable Labels
SATA Cable x4
RGB LED Extension Cable

Table of Contents

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MSI X399 SLI PLUS Specifications

General IconGeneral
ChipsetAMD X399
Form FactorATX
Memory Slots8
Max Memory Support128GB
SATA 6Gb/s8
M.2 Slots2
USB 3.1 Gen2 (Rear)2
USB 3.1 Gen1 (Rear)4
USB 2.0 (Rear)2
SocketSocket TR4
PCIe x16 Slots4
PCIe x1 Slots2
LANIntel® I211AT Gigabit LAN controller
AudioRealtek ALC1220 Codec
Memory Speed2667/ 2400

Summary

Unpacking

Safety Information

Quick Start Guide

Installing a Processor

Step-by-step instructions for installing the CPU onto the motherboard.

Installing DDR4 Memory

Guide on how to correctly install DDR4 memory modules into the DIMM slots.

Connecting Front Panel Header

Explains how to connect the front panel connectors to the motherboard.

Installing the Motherboard

Procedure for mounting the motherboard inside the computer chassis.

Installing SATA Drives

Instructions for connecting SATA storage devices like HDDs and SSDs.

Connecting Power Connectors

Details on connecting the ATX, CPU, and PCIe power supply cables.

Powering On the System

Steps to safely power on the computer after assembly.

Rear I/O Panel

Overview of Components

CPU Socket Installation

Step-by-step guide for installing the CPU into the socket.

DIMM Slot Installation

Provides recommendations for installing DDR4 memory modules.

BIOS Setup

Entering BIOS Setup

Instructions on how to access the BIOS setup menu during POST.

Resetting and Updating BIOS

Methods for resetting BIOS and updating firmware via M-FLASH/Live Update.

Updating BIOS with FLASHBACK+

Steps to update BIOS using the dedicated BIOS FLASHBACK+ feature.

Advanced Mode Configuration

Guide to navigating and utilizing the Advanced Mode of the BIOS.

Overclocking (OC) Settings

Detailed options for CPU and DRAM overclocking and voltage control.

M-FLASH BIOS Update Utility

Instructions for updating BIOS using the M-FLASH utility.

Software Description

Installing Windows, Drivers, and Utilities

Steps for installing the operating system, drivers, and additional software.

MSI LIVE UPDATE 6 Functionality

How to use LIVE UPDATE 6 to download drivers, BIOS, and utilities.

COMMAND CENTER Software Guide

Using COMMAND CENTER for system monitoring and tuning.

Troubleshooting Common Issues

Power Issues

Steps to resolve problems with the system not powering on.

No Signal or Boot Issues

Troubleshooting steps for no display or boot failures.

BIOS and Password Problems

Resolving issues related to BIOS updates and lost passwords.

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