MSI B550 GAMING GEN3 User manual

B550 GAMING GEN3
Motherboard
User Guide
Benutzerhandbuch
Manuel d’utilisation
Руководство пользователя
取扱説明書
사용 명서
使用手冊
使用手册

1
Contents
Quick Start..................................................................................................................... 3
Specifications.............................................................................................................. 16
Special Features......................................................................................................... 19
Package Contents ...................................................................................................... 20
Back Panel Connectors ............................................................................................. 21
LAN Port LED Status Table .................................................................................. 22
Audio Jacks Connection ....................................................................................... 22
Overview of Components........................................................................................... 24
CPU Socket ........................................................................................................... 25
DIMM Slots............................................................................................................ 26
PCI_E1~6: PCIe Expansion Slots.......................................................................... 27
M2_1: M.2 Slot (Key M)......................................................................................... 28
SATA1~6: SATA 6Gb/s Connectors....................................................................... 29
JFP1, JFP2: Front Panel Connectors................................................................... 30
JAUD1: Front Audio Connector ............................................................................ 30
CPU_PWR1, ATX_PWR1: Power Connectors....................................................... 31
JCI1: Chassis Intrusion Connector....................................................................... 32
JUSB3: USB 3.2 Gen 1 Connector ........................................................................ 33
JUSB1~2: USB 2.0 Connectors............................................................................. 33
JLPC1: BIOS Debug Connector ............................................................................ 34
JTPM1: TPM Module Connector........................................................................... 34
JLPT1: Parallel Port Connector ........................................................................... 35
JCOM1: Serial Port Connector ............................................................................. 35
CPU_FAN1, PUMP_FAN1, SYS_FAN1~4: Fan Connectors.................................. 36
JBAT1: Clear CMOS (Reset BIOS) Jumper........................................................... 37
BAT1： CMOS Battery............................................................................................ 37
JRGB1~2: RGB LED connector............................................................................. 38
English

2
Onboard LEDs............................................................................................................. 39
EZ Debug LED....................................................................................................... 39
Installing OS, Drivers & MSI Center.......................................................................... 40
MSI Center............................................................................................................ 42
UEFI BIOS.................................................................................................................... 43
BIOS Setup............................................................................................................ 44
Resetting BIOS...................................................................................................... 45
Updating BIOS....................................................................................................... 45

3
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® AM4 CPU
CPU Fan
DDR4 Memory
Graphics Card
SATA Hard Disk Drive SATA DVD Drive
Phillips Screwdriver
Chassis
Power Supply Unit
A Package of Screws
Thermal Paste

4
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.

5
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.

6
Installing a Processor
⚽
∙https://youtu.be/Xv89nhFk1vc 1
2
3
6
4
5
7
8
9

7
⚠
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.
1
23

8
Installing DDR4 memory
DIMMA2 DIMMA2
DIMMB2
DIMMA1
DIMMA2
DIMMB1
DIMMB2
∙http://youtu.be/T03aDrJPyQs
⚽

9
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
⚽
1
2 10
9
Power LED
Reserved
Power Switch
JFP1
Reset SwitchHDD LED

10
BAT1
Installing the Motherboard
2
1
∙https://youtu.be/wWI6Qt51Wnc
⚽
Torque:
3 kgf·cm*
*3 kgf·cm
= 0.3 N·m
= 2.6 lbf·in
3

11
Connecting the Power Connectors
∙http://youtu.be/gkDYyR_83I4
ATX_PWR1
⚽
CPU_PWR1

12
Installing SATA Drives
∙http://youtu.be/RZsMpqxythc 1
23
4
5
⚽

13
Installing a Graphics Card
∙http://youtu.be/mG0GZpr9w_A
⚽
1
2
3
4
5
6

14
Connecting Peripheral Devices

15
Power On
4
3
12

16
Specifications
CPU
∙Supports AMD Ryzen™ 5000 Series, 5000 G-Series,
4000 G-Series, and 3000 Series processors
∙Supports Socket AM4
* Please go to www.msi.com to get the newest support status as new processors
are released.
Chipset AMD® B550 Chipset
Memory
∙4x DDR4 memory slots, supporting up to 128GB*
∙Supports DDR4 1866/ 2133/ 2400/ 2667/ 2800/ 2933/ 3000/
3066/ 3200 MHz by JEDEC
∙Supports DDR4 2667/ 2800/ 2933/ 3000/ 3066/ 3200/ 3466/
3600/ 3733/ 3866/ 4000/ 4133/ 4266/ 4400+ MHz by A-XMP
OC MODE
• 1DPC 1R max speed 4400 MHz
• 1DPC 2R max speed 3733 MHz
• 2DPC 1R max speed 3866 MHz
• 2DPC 2R max speed 3466 MHz
∙Dual channel memory architecture
∙Supports non-ECC UDIMM memory
∙Supports ECC UDIMM memory (non-ECC mode)
∙Supports un-buffered memory
* Please go to www.msi.com for more information on compatible memory.
Expansion Slots
∙2x PCIe x16 slots
• PCI_E1 slot (From CPU)
• Supports PCIe 3.0 x16
• PCI_E4* (From B550 chipset)
• Supports PCIe 3.0 x4
∙4x PCIe x1 slots
• PCI_E2, E3, E5 and E6 slots (From B550 chipset)
• Supports PCIe 2.0 x1
* PCI_E4 will run 2.0 x1 speed when any one of PCI_E2, PCI_E3, and PCI_E5
slots was be installed.
Multi-GPU ∙Supports AMD CrossFire™ Technology
Continued on next column

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Continued from previous column
Onboard Graphics
∙1x DVI-D port, support a maximum resolution of
1920x1200 @60Hz*
∙1x HDMI™ 2.0bport, supports a maximum resolution of
4096x2160 @30Hz, 2560x1600 @60Hz*/**
* Available only on processors featuring integrated graphics.
** Graphics specifications may vary depending on the CPU installed.
SATA Ports ∙6x SATA 6Gb/s ports (From B550 chipset)
M.2 SSD Slots
∙1x M.2 slot (Key M)
• M2_1 slot (From CPU)
• Supports PCIe 3.0 x4
• Supports SATA 6Gb/s
• Supports 2260/ 2280/ 22110 storage devices
RAID ∙Supports RAID 0, RAID 1 and RAID 10 for SATA storage
devices
Audio Realtek® ALC897 Codec
∙7.1-Channel High Definition Audio
LAN ∙1x Realtek® RTL8111H LAN controller
Power Connectors ∙1x 24-pin ATX main power connector
∙1x 8-pin ATX 12V power connector
Internal USB
Connectors
∙1x USB 3.2 Gen 1 5Gbps connector (From B550 chipset)
• Supports additional 2 USB 3.2 Gen 1 5Gbps ports
∙2x USB 2.0 connectors (From B550 chipset)
• Supports additional 4 USB 2.0 ports
Fan Connectors
∙1x 4-pin CPU fan connector
∙1x 4-pin water-pump fan connector
∙4x 4-pin system fan connectors
System Connectors
∙1x Front panel audio connector
∙2x System panel connectors
∙1x Chassis Intrusion connector
∙1x TPM module connector
∙1x Serial port connector
∙1x Parallel port connector
Continued on next column

18
Continued from previous column
Jumpers ∙1x Clear CMOS jumper
LED Features ∙2x 4-pin RGB LED connectors
∙4x EZ Debug LED
Back Panel
Connectors
∙1x Flash BIOS button
∙1x PS/2 keyboard/ mouse port
∙2x USB 2.0 Type-A ports
∙1x DVI-D port
∙1x HDMI™ port
∙2x USB 3.2 Gen1 5Gbps Type-A ports
∙1x LAN (RJ45) port
∙2x USB 3.2 Gen2 10Gbps Type-A ports
∙6x audio jacks
I/O Controller NUVOTON NCT6797 Controller Chip
Hardware Monitor
∙CPU/ System/ Chipset temperature detection
∙CPU/ System/ Pump fan speed detection
∙CPU/ System/ Pump fan speed control
Form Factor ∙ATX Form Factor
∙12 in. x 9.6 in. (30.5 cm x 24.4 cm)
BIOS Features
∙1x 256 Mb flash
∙UEFI AMI BIOS
∙ACPI 6.1, SMBIOS 2.8
∙Multi-language
Software
∙MSI Center
∙CPU-Z MSI GAMING
∙Google Chrome™, Google Toolbar, Google Drive
∙Norton™ Internet Security Solution

19
Special Features
MSI Center
• User Scenario
• True Color
• Live Update
• Hardware Monitoring
• Super Charger
• Speed Up
• Smart Image Finder
• MSI Companion
Audio
• Audio Boost
Network
• LAN Manager
Cooling
• Extended Heatsink Design
• Smart Fan Control
LED
• Mystic Light Extension (RGB)
• Mystic Light
• EZ DEBUG LED
Performance
• DDR4 Boost
• Core Boost
• GAME Boost
Protection
• PCI-E Steel Armor
Experience
• MSI Center
• GAMING HOTKEY
• GAMING MOUSE Control
• Click BIOS 5