MSI B550-A PRO User manual

I
Quick Start
Quick Start
Thank you for purchasing the MSI® B550-A PRO 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.

󳐁B550-A PRO 󸢄󱚗󸓫
󾖜󶩬󶕋󴁓󴲤
󲕗󳲷󸰝󶩬󶕋󳩿󹱏󱟔
 󲹯 󵁘󳳣 󱣼󶖑
󴋇󴋈󴉩󸏜󸰝󸌒
󱯷󲀏󵒵󹱉
󼸧󼂖󼺲󽂪
MSI® B550-A PRO󻡆󼕪󻫦󻋎󻝮󻼒󼻏󽍦󼛮󻽆󻼎󺨂󻺞󽍛󻂺󻃖󼕦󻭲󻭶󼏂󻼎󻂆
󼳦󽋚󼼢󻝮󻼖󼱊󽍊󻂆󻨛󻪇󼏂󻃲󽍎󻅢󻢚󻃖󼕦󼎦󺯪󻖚󺫮󼕮󻭲󻅢󻢚󻇋󼏳󻺳󼔶
󼘎󺫧󽍊󺫒󼕺󼂧󻂺󻃖󽔦󻃲󼗶󽑆󻐂󻂆󼻎󻰆󻞱󼕊󼓫󻯾󻕮󼒢󼗲󻝮󼾧󽍊󼏞󼏂
󻞳󼹞󽍎󽒶󻼖󼱊󻇋󼏳󻺳󼔶󺨂󻺳󽍊󼃎󺰢󻨆󻕿󻂺󻃖󻐂󻂆󼵆󻋎󻝮󼂖󼲆󽍊󼏞
󼏂󻞳󼹞󽍒󼀊󻆶󼕺󼂧󻂺󻃖
󳙔󸹄󳮜󳓜
󳡒󸗶󳞅󸣵󸢄B550-A PRO󱛞󴡉󴍆󾖜󴋉󳙔󸹄󳮜󳓜󶕲󶜳󳳣󱣼󳞅󲹂󸆈󹩚
󷉅󵷜󶈾󶜹󲖐󸍵󾖞󱞄󳳣󱣼󸿬󱴹󶩭󱠁󵷜󲹂󸆈󶈾󶜹󳖋󵙾󽚮󸕂󳞅󱟧󴆔󳣙󲘻󳩿󴡉󳨘
󳎦󴍆󵷜󵈗󸌶󲑠󸹒󱚗󶭎󲗋󸹲󸂈󸌾󵺳󳞄󱜖󲁗󱟨󳱣󳳢󵷜󴁔󳓑
󳙓󸹃󸹑󳲝󷍿󶭍󲗋󾖜
󳙓󸹃󱰪󹢚
󳡑󸞋󳞄󸥁󱜬B550-A PRO󱛞󴍇󴋉󳙓󸹃󱰪󹢚󸿬󱴸󳳣󱣼󱝏󴊇󱱆󲦙󱢊
󲹁󸅗󸜊󶛢󴋠󵁙󶈽󲕧󴏈󱝬󸜧󴁚󸶒󳳣󱣼󱝏󸍄󹴜󵁙󶈽󸝠󱣎󵭡󳞄󵷜󳩿󴋠󳨘󳎦
󴍇󵭳󷆔󱚗󵷜󶸜󹴀󴵝󸍆󲑠󹝪󳲝󷍿󶸜󲗋󸍀󵺳󳞄󱜖󲁗󱟨󸸵󸵦󳪮󳳡󶁊󹝪󳲝
󱵰

II Quick Start
1
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󲀮󱟔󽋶󻙎󻼪󻼎󻼖󼱊󽍊󺰢󲹂
󸆈󷴺󵤾󲑠󲹁󸅗󲢩󵤾󲑠
Youtube
󱠳󹃳
http://v.youku.com/v_show/id_
XMTg2MjMwOTE2NA==.html
https://youtu.be/Xv89nhFk1vc




III
Quick Start

Important

remove the retention module first and then install the heatsink.
󲀮󱟔󲝉󲁺󾖛󱚘󸏝󲕘󾖛
󲣏󲀮󱟔󱚘󾖜
󺺊󻺞󼺲󼕷󼕊󽕺󽂪󼃣󼹞󻝮󼖗󼨛󽍒󺪯󼒢󼌶󻖊󺯪󻞮󺫮󺨋󼕦󼷚󻗞󼞲󼞲󻃲󻝮󼘎󺩢󽒶
󽕺󽂪󼃣󼹞󻝮󼖗󼨛󽍊󼃟󼃎󼐖
󲦚󴍷󸋘󲹂󸆈󷾄󶫇󳓑󵷜󳾹󵕌󲑠󾖞󸕂󸼢󵒵󱚘󲖐󴨣󺁴󱯷󶎙󹤵󲕣󲹥󴟜󶩭󾖞󱱨󲹂󸆈󳾹󵕌󲑠󾖜
󲦚󴍷󸋘󲹂󸅗󷾄󱚳󳓑󳾹󵎾󲑠󾖞󸝠󳮢󵒵󲦚󱚘󲕧󴨣󺃆󱯷󶎙󹤵󲕣󲹥󴟜󲗰󾖞󵑑󲂃󱱨󲹂󸅗󳾹󵎾󲑠󾖜
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IV Quick Start
󲀮󱟔
󻡆󻢚󻞞󻼖󼱊󽍊󺰢󲹂󸆈󸏝󳥮󺄷󲹁󸅗󱱟󲷜
http://youtu.be/T03aDrJPyQs
Youtube 󱠳󹃳
http://v.youku.com/v_show/id_XNzUyMTI5ODI4.html
DIMMA2 DIMMA2
DIMMB2
DIMMA1
DIMMA2
DIMMB1
DIMMB2
 

V
Quick Start
Connecting the Front Panel Header/
󳲞󶬗󼗶󻡦󽄚󺼂󼳖󺼗󼼢󼏢󺪢󽍊󺰢
󸹒󳲞󱶝󶹌󹬻󴍆󹆾󷉥󸶚󳲞󱶝󶹌󹬻󴍆󳲞󲤆
http://youtu.be/DPELIdVNZUI
Youtube 󱠳󹃳
http://v.youku.com/v_show/id_XNjcyMTczMzM2.html
HDD LED
RESET SW
JFP1
HDD LED HDD LED -
HDD LED +
POWER LED -
POWER LED +
POWER LED
1
2 10
9
+
+
+- -- -
+
Power LED
HDD LED Reset Switch
Reserved
Power Switch
JFP1
1 HDD LED + 2 Power LED +
3 HDD LED - 4 Power LED -
5 Reset Switch 6 Power Switch
7 Reset Switch 8 Power Switch
9 Reserved 10 No Pin
RESET SW
POWER SW
POWER LED+
POWER LED-
HDD LED
 

VI Quick Start
󲀮󱟔
󻡆󼕪󻫦󻋎󻼖󼱊󽍊󺰢󲹂󸆈󱛞󴡉󴍆󲹂󸅗󱛞󴍆
3
Torque:
3 kgf·cm*
*3 kgf·cm
= 0.3 N·m
= 2.6 lbf·in
2
1
https://youtu.be/wWI6Qt51Wnc
https://v.youku.com/v_show/id_
XNDUwMDUyNTkwOA==.html


Youtube
󱠳󹃳

VII
Quick Start
󹩙󴽥󳲜󶬖󼗶󼓂
󼳖󺼗󼼢󼏢󺪢󽍊󺰢󳳨󱚗󹩚󴽦󳲞󹲋󸶚󳲝󵭳󴽦󳲝󲤆
http://youtu.be/gkDYyR_83I4 http://v.youku.com/v_show/id_XNDkzODU0MDQw.html
Youtube 󱠳󹃳
ATX_PWR1

 

VIII Quick Start
󲀮󱟔
󻋎󻕮󼕦󻯾󻼖󼱊󽍊󺰢󲹂󸆈󶅦󶄬󴡉󲹁󸅗󸜧󲢮
http://youtu.be/RZsMpqxythc
http://v.youku.com/v_show/
id_XNDkzODU5MTky.html
Youtube
󱠳󹃳
1
23
4
5

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IX
Quick Start
󲀮󱟔
󺯪󻖊󽌯󼱦󻋎󻼖󼱊󽍊󺰢󲹂󸆈󹳳󶈾󱽷󲹁󸅗󴄵󱽷
http://youtu.be/mG0GZpr9w_A
http://v.youku.com/v_show/
id_XNDkyOTc3MzQ4.html
Youtube
󱠳󹃳
1
2
3
4
5
6



XQuick Start
󲄔󸵅󴡉󲑠󳲞󶬗
󼛮󻪲󼖗󼱊󼏢󺪢󽍊󺰢󸹒󳲞󲄔󸽝󸐈󱪸󸶚󳲞󲣏󲕙󸜧󲢮
Processor with Radeon™ Graphics

XI
Quick Start
󸸴󹩙󼗶󼓂󼴎󺰢󲊐󱹿󹩚󴽦󳒷󴋠
4
3
12

XII Quick Start
NOTE

1
Contents
Contents
Safety Information................................................................................................. 3
Specifications......................................................................................................... 4
Package contents .................................................................................................. 9
Rear I/O Panel ..................................................................................................... 10
LAN Port LED Status Table .................................................................................. 10
.................................................................................... 10
 ......................................................................................... 11
Overview of Components .................................................................................... 13
Processor Socket ................................................................................................. 14
DIMM Slots............................................................................................................ 15
.......................................................................... 16
....................................................................... 17
 ................................................................................... 17
................................................................... 19
 ............................................................................ 19
....................................................... 20
................................................. 21
 ............................................................. 21
............................................................................. 22
........................................................................... 22
.................................. 23
....................................................................... 24
 ............................................................................. 25
........................................................... 25
JRGB1: RGB LED connector................................................................................. 26
 ............................................ 27
EZ Debug LED....................................................................................................... 28
................................................................................... 28

2Contents
Installing OS, Drivers & Utilities ......................................................................... 29
Installing Windows® 10......................................................................................... 29
Installing Drivers .................................................................................................. 29
Installing Utilities ................................................................................................. 29
UEFI BIOS............................................................................................................. 30
BIOS Setup............................................................................................................ 31
Entering BIOS Setup............................................................................................. 31
Resetting BIOS...................................................................................................... 32
Updating BIOS....................................................................................................... 32
EZ Mode ................................................................................................................ 34
Advanced Mode .................................................................................................... 37
................................................................................................................ 38

3
Safety Information
Safety Information
The components included in this package are prone to damage from electrostatic

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.

handling the motherboard to prevent electrostatic damage. If an ESD wrist strap is

before handling the motherboard.
Store the motherboard in an electrostatic shielding container or on an anti-static
pad whenever the motherboard is not installed.

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.

technician.
Always turn off the power supply and unplug the power cord from the power outlet
before installing or removing any computer component.


Make sure that your electrical outlet provides the same voltage as is indicated on

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.

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.

the motherboard.

4Specifications
Specifications
CPU 
future AMD Ryzen™ processors with BIOS update
Chipset 
Memory

Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/

Supports DDR4 2667/ 2800 /2933 /3000 /3066 /3200
/3466 /3600/ 3733 /3866 /4000 /4133 /4266 /4400+ MHz by





Dual channel memory architecture


Supports un-buffered memory
* Please refer www.msi.com for more information on compatible memory.
Expansion Slot



* The supported specification depends on installed processor.

Multi-GPU 
Onboard Graphics

4096x2160 @60Hz*/**

4096x2160 @60Hz**
Maximum shared memory of 16 GB

** Available for the processor with integrated graphics.


5
Specifications

Storage

6x SATA 6Gb/s ports



Supports SATA 6Gb/s
Supports 2242/ 2260/ 2280/ 22110 storage devices


Supports 2242/ 2260/ 2280 storage devices
* The supported specification depends on installed processor.
RAID

devices
Supports RAID 0 and RAID 1 for M.2 NVMe storage devices
USB

3x USB 3.2 Gen 1 5Gbps ports 




AMD Processor
2x USB 3.2 Gen 2 10Gbps ports 

2x USB 3.2 Gen 1 5Gbps Type-A ports on the back
panel
Audio 

LAN 1x Realtek® 8111H Gigabit LAN controller


6Specifications

Internal Connectors
1x 24-pin ATX main power connector
1x 8-pin ATX 12V power connector
6x SATA 6Gb/s connectors







1x 4-pin water-pump fan connector
6x 4-pin system fan connectors
1x Front panel audio connector
2x System panel connectors

1x 4-pin RGB LED connector
2x 3-pin RAINBOW LED connectors
1xTPM module connector

LED Features 
4x EZ Debug LED
Back Panel
Connectors
1x Flash BIOS Button
1x PS/2 keyboard/ mouse combo port
4x USB 2.0 Type-A ports
1x Display port
1x HDMI port

2x USB 3.2 Gen 1 5Gbps Type-A ports
1x USB 3.2 Gen 2 10Gbps Type-A port

6x Audio jacks
I/O Controller 


7
Specifications

Hardware Monitor



Form Factor ATX Form Factor

BIOS Features
1x 256 Mb flash
UEFI AMI BIOS

Multi-language
Software
Drivers





Norton™ Internet Security Solution
Dragon Center
Features
Gaming Mode
Gaming Hotkey
LAN Manager
Mystic Light
Hardware Monitor

Live Update
Speed Up
Smart Tool

Please refer to http://download.msi.

pdf for more details.


8Specifications

Special Features
Audio
Audio Boost
Storage
Lightning Gen4 M.2

All Aluminum Design
Extended Heatsink Design
Pump Fan

LED


Ambient Link

EZ DEBUG LED
Protection
M.2 Shield


Performance

Lightning Gen 4 M.2

DDR4 Boost

GAME Boost

USB 3.2 Gen 2

Experience


Flash BIOS Button