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UEFI BIOS

MSI UEFI BIOS is compatible with UEFI (Unified Extensible Firmware Interface)

architecture. UEFI has many new functions and advantages that traditional BIOS

cannot achieve, and it will completely replace BIOS in the future. The MSI UEFI

BIOS uses UEFI as the default boot mode to take full advantage of the new chipset’s

capabilities. However, it still has a CSM (Compatibility Support Module) mode to be

compatible with older devices. That allows you to replace legacy devices with UEFI

compatible devices during the transition.

⚠

Important

The term BIOS in this user guide refers to UEFI BIOS unless otherwise noted.

UEFI advantages

∙ Fast booting - UEFI can directly boot the operating system and save the BIOS self-

test process. And also eliminates the time to switch to CSM mode during POST.

∙ Supports for hard drive partitions larger than 2 TB.

∙ Supports more than 4 primary partitions with a GUID Partition Table (GPT).

∙ Supports unlimited number of partitions.

∙ Supports full capabilities of new devices - new devices may not provide backward

compatibility.

∙ Supports secure startup - UEFI can check the validity of the operating system to

ensure that no malware tampers with the startup process.

Incompatible UEFI cases

∙ 32-bit Windows operating system - this motherboard supports only Windows 10

64-bit operating system.

∙ Older graphics card - the system will detect your graphics card. When display a

warning message There is no GOP (Graphics Output protocol) support detected in

this graphics card.

⚠

Important

We recommend that you to use a GOP/ UEFI compatible graphics card.

How to check the BIOS mode?

After entering the BIOS, find the BIOS Mode at the top of the screen.

CPU Temperature:

Motherboard Temperature:

VCore:

DDR Voltage:

BIOS Mode: CSM/UEFI

CPU Temperature:

Motherboard Temperature:

VCore:

DDR Voltage:

BIOS Mode: CSM/UEFI

UEFI boot mode CSM boot mode

Other manuals for MSI MAG B550M VECTOR WIFI

Manual206 pages

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MSI MAG B550M VECTOR WIFI 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
Memory channels	Dual-channel
Memory slots type	DIMM
Unbuffered memory	Yes
Number of memory slots	2
Supported memory types	DDR4-SDRAM
Maximum internal memory	64 GB
Supported memory clock speeds	1866, 2133, 2400, 2667, 2800, 2933, 3000, 3066, 3200, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600 MHz
RAID levels	0, 1, 10
Number of storage drives supported	5
Supported storage drive interfaces	M.2, SATA III
DirectX version	12.0
Maximum resolution	4096 x 2160 pixels
Maximum graphics card memory	16384 MB
Parallel processing technology support	Not supported
Number of SATA III connectors	4
USB 3.2 Gen 1 (3.1 Gen 1) connectors	1
USB 3.2 Gen 2 (3.1 Gen 2) connectors	0
USB connector type	USB Type-A
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.
LAN controller	Realtek RTL8111H
Wi-Fi standards	802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac)
Bluetooth version	4.2
Top Wi-Fi standard	Wi-Fi 5 (802.11ac)
WLAN controller model	Intel Dual Band Wireless-AC 3168
Ethernet interface type	Gigabit Ethernet
Audio chip	Realtek ALC892 / Realtek ALC897
Component for	PC
Motherboard chipset	AMD B550
PC health monitoring	FAN, Temperature
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Number of mounting holes	6
Windows operating systems supported	Windows 10 x64
BIOS type	UEFI AMI
ACPI version	6.0
BIOS memory size	256 Mbit
System Management BIOS (SMBIOS) version	2.8
Cables included	SATA