MSI MEG B550 UNIFY User Manual

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Contents
POWER1, RESET1: Power Button, Reset Button ................................................. 45
JRGB1: RGB LED connector ................................................................................. 46
JRAINBOW1~2: Addressable RGB LED connectors ............................................ 47
JCORSAIR1: CORSAIR Connector ........................................................................ 48
Onboard LEDs ...................................................................................................... 49
EZ Debug LED ....................................................................................................... 49
LED_SW1: EZ LED Control ................................................................................... 49
Debug Code LED ................................................................................................... 49
Hexadecimal Character Table .............................................................................. 50
Boot Phases .......................................................................................................... 50
Debug Code LED Table ......................................................................................... 50
ACPI States Codes ................................................................................................ 54
Installing OS, Drivers & Utilities ......................................................................... 55
Installing Windows® 10 ......................................................................................... 55
Installing Drivers .................................................................................................. 55
Installing Utilities ................................................................................................. 55
UEFI BIOS ............................................................................................................. 56
BIOS Setup ............................................................................................................ 57
Entering BIOS Setup ............................................................................................. 57
Resetting BIOS ...................................................................................................... 58
Updating BIOS ....................................................................................................... 58
EZ Mode ................................................................................................................ 60
Advanced Mode .................................................................................................... 63
SETTINGS Menu ................................................................................................... 64
OC Menu................................................................................................................ 66
M-FLASH Menu .................................................................................................... 69
OC PROFILE Menu ................................................................................................ 70
HARDWARE MONITOR Menu ............................................................................... 71
AMD RAID Configuration ..................................................................................... 73
Enabling RAIDXpert2 Configuration Utility .......................................................... 73
Initializing Disks ................................................................................................... 74
Creating Arrays..................................................................................................... 75
Deleting Arrays ..................................................................................................... 76
Installing RAID Driver ........................................................................................... 77
Troubleshooting ................................................................................................. 78

MSI MEG B550 UNIFY Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors	1
ECC	Yes
Memory channels	Dual-channel
Memory slots type	DIMM
Number of memory slots	4
Supported memory types	DDR4-SDRAM
Maximum internal memory	128 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4533, 4600, 4733, 4866, 5000, 5100, 5600 MHz
RAID levels	0, 1, 10
Supported storage drive types	HDD & SSD
Number of storage drives supported	10
Supported storage drive interfaces	M.2, SATA
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	16384 MB
Parallel processing technology support	2-Way CrossFireX
USB 2.0 connectors	2
Number of SATA II connectors	0
Number of SATA III connectors	6
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity	3
LAN controller	Realtek RTL8125B
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 6 (802.11ax)
Bluetooth version	5.1
Top Wi-Fi standard	Wi-Fi 6 (802.11ax)
WLAN controller model	Intel Wi-Fi 6 AX200
Ethernet interface type	2.5 Gigabit Ethernet
Audio chip	Realtek ALC1220P
Component for	PC
Motherboard chipset	AMD B550
PC health monitoring	FAN, Temperature
Audio output channels	7.1 channels
Motherboard form factor	ATX
BIOS type	UEFI AMI
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g

Weight and Dimensions

Depth	244 mm
Width	304 mm
Height	65 mm