MSI MS-7C91 取扱説明書

I

Quick Start

Thank you for purchasing the MSI® MAG B550 TOMAHAWK

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.



󲭡MAG B550 TOMAHAWK 󷿤󰷷

󷱋󽳼󶇌󵲫

󳞳󴐄󱲷󳐗󸍽󶇌󵲫

󳇟󹎯󰼴󲗏󴞸󳑃󱁜

󵳱󳨧󳨨󳧉󷬼󸍽󷩲

󱍗󱝯󴰕󹎩



󼖇󻟶󼘒󼠊

MSI® MAG B550 TOMAHAWK󺾦󻳊󻉆󺨮󺻎󻙲󼘯󼫆󻹎󻚦󻙮󺅢󻗾󼪻󺠚󺠶

󻳆󻋒󻋖󻬢󻙮󺟦󼑆󼨺󼚂󺻎󻙶󼎪󼪪󺟦󻅻󻇧󻬢󺡒󼪮󺣂󺿺󺠶󻳆󻬆󺍊󺳺󺉎󻳎󻋒

󺣂󺿺󺤫󻭓󻘓󻲖󻵮󺉇󼪪󺈲󻳚󻠇󺠚󺠶󼲆󺡒󻵖󼮦󺭢󺟦󼘮󻍦󺼑󻲪󻱋󻍞󺳎󻰂󻵒󺻎

󼜇󼪪󻬾󻬢󺼓󼖾󼪮󼰖󻙶󼎪󺤫󻭓󻘓󻲖󺅢󻘓󼪪󻠮󺎂󻅦󺳟󺠚󺠶󺭢󺟦

󼒦󺨮󺻎󻟶󼏦󼪪󻬾󻬢󺼓󼖾󼪲󻝪󺤖󻳚󻠇󺠚󺠶

󲶴󸖤󳋼󲰼

󲾲󷵖󲻥󸁕󷿤MAG B550 TOMAHAWK󰸾󳾩󳪦󽳼󳨩󲶴󸖤󳋼󲰼󵳒󵺓󳑃

󱁜󲻥󲖢󷣨󹆺󶦥󵔼󵦞󵺙󱳰󷫕󽳾󰻤󳑃󱁜󸝌󱒙󶇍󰽡󵔼󲖢󷣨󵦞󵺙󲳫󴷞󼸎󷲢󲻥󰽇󳣴

󳀹󱶛󳇟󳾩󳅸󲬆󳪦󵔼󴥷󷪖󱯀󸖲󰷷󶊮󱴫󸗒󷟨󷪞󵘓󲻤󰹶󱞷󰽈󳏃󳑂

󵔼󳞴󲰱󲶳󸖣󸖱󳏽󶫟󶊭󱴫󽳼

󲶴󸖤󱎉󸿺

󲾱󷻫󲻤󸂡󰺌MAG B550 TOMAHAWK󰸾󳪧󳨩󲶳󸖣󱎊󸿺󸝌󱒘󳑃󱁜

󰺯󳧧󱎦󲃹󰿪󲖡󷢷󷹪󵹂󳩀󴞹󵦝󱳇󳬨󰻌󷺇󳞺󸓲󳑃󱁜󰺯󷪤󹑼󴞹󵦝󷻀󱀮󵋁󲻤

󵔼󳇟󳩀󳅸󲬆󳪧󵋓󶣴󰷷󵔼󶕼󹑠󴒽󷪦󱯀󸻊󳏽󶫟󶕼󱴫󷪠󵘓󲻤󰹶󱞷󰽈󸖕󸓆󳈎󳑁

󵞪󸻊󳏽󱓐

II

Quick Start

󱞎󰼴󼩖󺶮󻚊󻙮󻙶󼎪󼪪󺎂󲖢󷣨

󷒚󵂞󱯀󲖢󷢷󲀉󵂞󱯀

1

2

3

6

4

5

7

8

9

Youtube

󰾓󸡓

http://v.youku.com/v_show/id_

XMTg2MjMwOTE2NA==.html

https://youtu.be/Xv89nhFk1vc



III

Quick Start

1

2

3





to remove the retention module first and then install the heatsink.

󱞎󰼴󱺩󱟚󽳻󰷸󷬽󱲸󽳻

󲀯󱞎󰼴󰷸󽳼

󺗪󻗾󼘒󻳗󻲪󼳚󼠊󻡃󼖾󺻎󻳷󼅻󼪲󺈏󻰂󻪖󺳪󺍊󺼎󺉎󺅫󻳆󼔺󺴾󻼒󻼒󺡒󺻎󻵮󺇂󼰖

󼳚󼠊󻡃󼖾󺻎󻳷󼅻󼪪󻠿󻠮󻭶

󲃺󳫗󷨸󲖢󷣨󷛤󶈧󲰱󵔼󳜙󴲬󱯀󽳾󷲢󸚂󴰕󰷸󱳰󴆃󹟔󱍗󵫹󹂕󱳃󲗅󳼼󶇍󽳾󱏈󲖢󷣨󳜙󴲬󱯀󽳼

󲃺󳫗󷨸󲖢󷢷󷛤󰸓󲰱󳜙󴬞󱯀󽳾󷻀󳌂󴰕󲃺󰷸󱳇󴆃󹠦󱍗󵫹󹂕󱳃󲗅󳼼󱵐󽳾󴮱󱟣󱏈󲖢󷢷󳜙󴬞󱯀󽳼

IV

Quick Start

󱞎󰼴

󺾦󺿺󺻾󻙶󼎪󼪪󺎂󲖢󷣨󷬽󳃎󹢗󲖢󷢷󱎿󲔼

http://youtu.be/T03aDrJPyQs



DIMMA2 DIMMA2

DIMMB2

DIMMA1

DIMMA2

DIMMB1

DIMMB2

Youtube

󰾓󸡓

http://v.youku.com/v_show/id_XNzUyMTI5ODI4.html

V

Quick Start

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

Connecting the Front Panel Header/

󳏾󶉷󻵖󺿆󼡺󺙢󼐶󺙷󼚂󻭂󺈂󼪪󺎂

󸖲󳏾󱓽󶖬󹊛󳪦󸤞󶧅󸓺󳏾󱓽󶖬󹊛󳪦󳏾󲁦

http://youtu.be/DPELIdVNZUI

Youtube

󰾓󸡓

http://v.youku.com/v_show/id_XNjcyMTczMzM2.html



VI

Quick Start

󱞎󰼴

󺾦󻳊󻉆󺨮󻙶󼎪󼪪󺎂󲖢󷣨󰸾󳾩󳪦󲖢󷢷󰸾󳪦

https://youtu.be/wWI6Qt51Wnc



Youtube

https://v.youku.com/v_show/id_

XNDUwMDUyNTkwOA==.html



󰾓󸡓

1

3

Torque:

3 kgf·cm*

*3 kgf·cm

= 0.3 N·m

= 2.6 lbf·in

VII

Quick Start

ATX_PWR1



󹆺󴛆󳏾󶉷󻵖󻰢

󼐶󺙷󼚂󻭂󺈂󼪪󺎂󳑈󰷷󹆺󴛆󳏾󹏫󸓺󳏾󵋓󴛆󳏾󲁦

http://youtu.be/gkDYyR_83I4 http://v.youku.com/v_show/id_XNDkzODU0MDQw.html

Youtube

󰾓󸡓



VIII

Quick Start

󱞎󰼴

󺨮󺳎󻳆󻍞󻙶󼎪󼪪󺎂󲖢󷣨󵣆󵢌󳾩󲖢󷢷󷺇󲀎

http://youtu.be/RZsMpqxythc

http://v.youku.com/v_show/

id_XNDkzODU5MTky.html

Youtube

󰾓󸡓

1

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

IX

Quick Start

󱞎󰼴

󺍊󺳪󼪏󼏆󺨮󻙶󼎪󼪪󺎂󲖢󷣨󹑓󵦞󱛗󲖢󷢷󳢕󱛗

http://youtu.be/mG0GZpr9w_A

http://v.youku.com/v_show/

id_XNDkyOTc3MzQ4.html

Youtube

󰾓󸡓

1

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5

6



X

Quick Start

󱡴󸒥󳾩󱯀󳏾󶉷

󻹎󻈒󻳷󼎪󻭂󺈂󼪪󺎂󸖲󳏾󱡴󸚽󷭨󱈘󸓺󳏾󲀯󱲹󷺇󲀎

Processor with integrated graphics

XI

Quick Start

4

3

1

2

󸖔󹆹󻵖󻰢󼑮󺎂󱧰󱗟󹆺󴛆󲰗󳩀

1

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

 ........................................................................... 26

 ............................................ 27

EZ Debug LED ....................................................................................................... 28

 ................................................................................... 28

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

2

Contents

Advanced Mode .................................................................................................... 37

................................................................................................................ 38

3

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.

4

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 /4533



 

 

 

 

 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.





refer to page 16 for details.

Multi-GPU  

Onboard Graphics

 

4096x2160 @24Hz*

 

4096x2160 @60Hz*

 Maximum shared memory of 2048 MB

* 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



 

 Supports S/PDIF output

LAN

 1x Realtek® RTL8125B 2.5Gbps LAN controller

 1x Realtek® RTL8111H 1Gbps LAN controller



6

Specifications



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

 

 2x 4-pin RGB LED connectors

 2x 3-pin RAINBOW LED connectors

 1x TPM module connector

 

LED Features

 

 4x EZ Debug LED

Back Panel

Connectors

 1x Flash BIOS Button

 1x PS/2 keyboard/ mouse combo port

 2x 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

 

 

 1x Optical S/PDIF Out connector



7

Specifications



I/O Controller 

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

 User Scenario

 Hardware Monitor

 

 Live Update

 Speed Up

 Smart Tool

 

Please refer to http://download.msi.



pdf for more details.



8

Specifications



Special Features

 Audio

 Audio Boost

 Network

 2.5G LAN

 LAN Manager with Realtek 8125B

 

 Extended Heatsink Design

 M.2 Shield Frozr

 Pump Fan

 

 LED

 

 

 

 EZ DEBUG LED

 Performance

 

 DDR4 Boost

 

 GAME Boost

 USB 3.2 Gen 2 10G

 

 

 Protection

 

 

 Pre-installed I/O Shielding

 Experience

 

 

 Flash BIOS Button

9

Package contents

Please check the contents of your motherboard package. It should contain:

Motherboard 

  1

Accessories

 1

 1

Product registration card 1

Application Driver DVD 1

Documentation

User manual 1

Quick installation guide 1



card

1



Important



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MSI MS-7C91, MAG B550 TOMAHAWK 取扱説明書

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