MSI MAG B550M MORTAR WIFI User Manual

47
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. When prompted click on Yes to start recovering BIOS.
5. After the flashing process is 100% completed, the system will reboot
automatically.

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