MSI PRO A620M-B Manuel utilisateur

PRO Series

Motherboard

PRO A620M-B/ PRO B650M-B

User Guide

Contents

Quick Start..................................................................................................................... 4

Specifications.............................................................................................................. 17

Special Features......................................................................................................... 20

Package Contents ...................................................................................................... 21

Back Panel Connectors ............................................................................................. 22

LAN Port LED Status Table .................................................................................. 23

Audio Jacks Connection ....................................................................................... 23

Overview of Components........................................................................................... 25

CPU Socket ........................................................................................................... 26

DIMM Slots............................................................................................................ 27

PCI_E1~2: PCIe Expansion Slots.......................................................................... 28

SATA_1~4: SATA 6Gb/s Connectors..................................................................... 28

M2_1: M.2 Slot (Key M)......................................................................................... 29

JAUD1: Front Audio Connector ............................................................................ 30

JFP1, JFP2: Front Panel Connectors................................................................... 30

CPU_PWR1, ATX_PWR1: Power Connectors....................................................... 31

JCI1: Chassis Intrusion Connector....................................................................... 32

JUSB1: USB 3.2 Gen 1 Connector ........................................................................ 33

JUSB2~3: USB 2.0 Connectors............................................................................. 34

JTPM1: TPM Module Connector........................................................................... 34

JOC_FS1: Safe Boot Jumper................................................................................ 35

JCOM1: Serial Port Connector ............................................................................. 35

CPU_FAN1

, SYS_FAN1~2

: Fan Connectors.......................................................... 36

JBAT1: Clear CMOS (Reset BIOS) Jumper........................................................... 37

BAT1: CMOS Battery............................................................................................. 38

JRGB1: RGB LED connector................................................................................. 39

JARGB_V2_1: A-RAINBOW V2 (ARGB Gen2) LED Connector .............................. 40

English

Onboard LEDs............................................................................................................. 42

EZ Debug LED....................................................................................................... 42

Installing OS, Drivers & MSI Center.......................................................................... 43

MSI Center............................................................................................................ 46

UEFI BIOS.................................................................................................................... 47

BIOS Setup............................................................................................................ 48

Resetting BIOS...................................................................................................... 49

Updating BIOS....................................................................................................... 49

Quick Start

Thank you for purchasing a new motherboard from MSI®. 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

AMD AM5 CPU AM5 CPU Fan

DDR5 Memory

Graphics Card

SATA Hard Disk Drive

Phillips Screwdriver

Chassis

Power Supply Unit

A Package of Screws

Thermal Paste

Safety Information

∙The components included in this package are prone to damage from electrostatic

discharge (ESD). Please adhere to the following instructions to ensure successful

computer assembly.

∙Ensure that all components are securely connected. Loose connections may cause

the computer to not recognize a component or fail to start.

∙Hold the motherboard by the edges to avoid touching sensitive components.

∙It is recommended to wear an electrostatic discharge (ESD) wrist strap when

handling the motherboard to prevent electrostatic damage. If an ESD wrist strap

is not available, discharge yourself of static electricity by touching another metal

object before handling the motherboard.

∙Store the motherboard in an electrostatic shielding container or on an anti-static

pad whenever the motherboard is not installed.

∙Before turning on the computer, ensure that there are no loose screws or metal

components on the motherboard or anywhere within the computer case.

∙Do not boot the computer before installation is completed. This could cause

permanent damage to the components as well as injury to the user.

∙If you need help during any installation step, please consult a certified computer

technician.

∙Always turn off the power supply and unplug the power cord from the power outlet

before installing or removing any computer component.

∙Keep this user guide for future reference.

∙Keep this motherboard away from humidity.

∙Make sure that your electrical outlet provides the same voltage as is indicated on

the PSU, before connecting the PSU to the electrical outlet.

∙Place the power cord such a way that people can not step on it. Do not place

anything over the power cord.

∙All cautions and warnings on the motherboard should be noted.

∙If any of the following situations arises, get the motherboard checked by service

personnel:

• Liquid has penetrated into the computer.

• The motherboard has been exposed to moisture.

• The motherboard does not work well or you can not get it work according to user

guide.

• The motherboard has been dropped and damaged.

• The motherboard has obvious sign of breakage.

∙Do not leave this motherboard in an environment above 60°C (140°F), it may damage

the motherboard.

Case stand-off notification

To prevent damage to the motherboard, any unnecessary mounting stand-off between

the motherboard circuits and the computer case is prohibited. The Case standoff keep

out zone signs will be marked on the backside of motherboard (as shown below) to

serve as a warning to user.

Avoid collision notification

Protective paint is printed around each screw hole to prevent parts from being

scratched.

Installing a Processor

6644

1111

1010

⚽

∙https://youtu.be/cltgIYiGtWY

⚠

Important

If you are installing the screw-type CPU heatsink, please follow the figure below to

remove the retention module first and then install the heatsink.

Installing DDR5 memory

∙https://youtu.be/XiNmkDNZcZk

⚽

HDD LED

RESET SW

Connecting the Front Panel Header

∙http://youtu.be/DPELIdVNZUI

JFP1

HDD LED HDD LED -

HDD LED +

POWER LED -

POWER LED +

POWER LED

RESET SW

POWER SW

POWER LED+

POWER LED-

HDD LED

⚽

2 10

Power LED

Reserved

Power Switch

JFP1

Reset SwitchHDD LED

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