MSI MAG B550M MORTAR WIFI User Manual

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UEFI BIOS
∙ System information - shows the CPU/ DDR speed, CPU/ MB temperature, MB/ CPU
type, memory size, CPU/ DDR voltage, BIOS version and build date.
∙ Boot device priority bar - you can move the device icons to change the boot priority.
The boot priority from high to low is left to right.
∙ Component Information - click on the CPU, Memory, Storage, Fan Info and Help
buttons to show the information of connected component.
∙ Function buttons - enable or disable these functions by clicking on these buttons.
The function is enabled when the button shows ON .
⚠
Important
The function buttons will vary with the motherboard you purchased.
∙ M-Flash - click on this button to enter the M-Flash menu that provides the way to
update BIOS with a USB flash drive.
∙ Hardware Monitor - click on this button to enter the Hardware Monitor menu that
allows you to manually control the fan speed by percentage.
∙ Favorites - click on this button or press the F3 key to show the Favorites window.
It provides 5 menus for you to create personal BIOS menu where you can save and
access favorite/ frequently-used BIOS setting items.

MSI MAG B550M MORTAR WIFI Specifications

General

Form Factor	Micro ATX
Chipset	AMD B550
Socket	AM4
Memory Slots	4 x DIMM
Max Memory	128 GB
Audio	Realtek ALC1200 Codec
RGB Support	Mystic Light RGB
Memory Speed	Up to 4400 MHz (OC)
Storage Interface	6 x SATA 6Gb/s
USB Ports	1 x USB 3.2 Gen 2 Type-C, 1 x USB 3.2 Gen 2 Type-A, 2 x USB 2.0
Networking	Realtek RTL8125B 2.5G LAN
LAN	2.5Gbps
Wi-Fi	Wi-Fi 6 AX200
PCIe Slots	1 x PCIe 4.0 x16, 1 x PCIe 3.0 x16 (x4 mode), 1 x PCIe 3.0 x1