MSI MAG B550 TOMAHAWK User Manual

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UEFI BIOS
Resetting BIOS
You might need to restore the default BIOS setting to solve certain problems. There
are several ways to reset BIOS:
∙ Go to BIOS and press F6 to load optimized defaults.
∙ Short the Clear CMOS jumper on the motherboard.
⚠
Important
Be sure the computer is off before clearing CMOS data. Please refer to the Clear
CMOS jumper section for resetting BIOS.
Updating BIOS
Updating BIOS with M-FLASH
Before updating:
Please download the latest BIOS file that matches your motherboard model from MSI
website. And then save the BIOS file into the USB flash drive.
Updating BIOS:
1. Insert the USB flash drive that contains the update file into the USB port.
2. Please refer the following methods to enter flash mode.
▪ Reboot and press Ctrl + F5 key during POST and click on Yes to reboot the
system.
Press <Ctrl+F5> to activate M-Flash for BIOS update.
▪ Reboot and press Del key during POST to enter BIOS. Click the M-FLASH button
and click on Yes to reboot the system.
3. Select a BIOS file to perform the BIOS update process.
4. After the flashing process is 100% completed, the system will reboot
automatically.

MSI MAG B550 TOMAHAWK Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen
Maximum number of SMP processors	1
S/PDIF out port	Yes
USB 2.0 ports quantity	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity	0
Wi-Fi	No
LAN controller	Realtek RTL8111H, Realtek RTL8125B
Ethernet interface type	2.5 Gigabit Ethernet, Gigabit Ethernet
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, 5100 MHz
Audio chip	Realtek ALC1200
Component for	PC
Product color	Black
Motherboard chipset	AMD B550
Audio output channels	7.1 channels
Motherboard form factor	ATX
Number of mounting holes	9
Windows operating systems supported	Windows 10 x64
RAID levels	0, 1, 10
Supported storage drive types	HDD & SSD
Supported storage drive interfaces	SATA III
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	16000 MB
Parallel processing technology support	2-Way CrossFireX
Number of SATA III connectors	6
BIOS type	UEFI AMI
Cables included	SATA
Harmonized System (HS) code	84733020
Weight	1000 g

Weight and Dimensions

Depth	244 mm
Width	305 mm
Height	86 mm