MSI MPG B550 User Manual

42
UEFI BIOS
▶ FCLK Frequency [Auto]
Sets the FCLK frequency (Internal Data Fabric clock of DRAM). Please note the
overclocking behavior is not guaranteed.
▶ UCLK DIV1 Mode [Auto]
Sets UCLK (Internal memory controller clock) mode.
▶ Memory Try It ! [Disabled]
It can improve memory compatibility or performance by choosing optimized memory
preset. This item will be available when the installed processor supports this function.
▶ Memory Failure Retry [Enabled]
Enables or disables the system reboot function when the memory OC retry fails.
▶ Memory Fast Boot [Enabled]
Enables or disables the initiation and training for memory every booting.
▶ Advanced DRAM Conguration
Press Enter to enter the sub-menu. User can set the memory timing for each/ all
memory channel. The system may become unstable or unbootable after changing
memory timing. If it occurs, please clear the CMOS data and restore the default
settings. (Refer to the Clear CMOS jumper section to clear the CMOS data, and enter
the BIOS to load the default settings.)
▶ DigitALL Power sub-menu
Press Enter to enter the sub-menu. In the sub-menu, you can setup some protecting
conditions about voltage/ current/ temputure for CPU.
▶ CPU Voltages control [Auto]
These options allows you to set the voltages related to CPU. If set to Auto, BIOS will
set these voltages automatically or you can set it manually.
▶ DRAM Voltages control [Auto]
These options allows you to set the voltages related to memory. If set to Auto, BIOS
will set these voltages automatically or you can set it manually.
▶ Memory Changed Detect [Enabled]*
Enables or disables the system to issue a warning message during boot when the
memory has been replaced.
[Enabled] The system will issue a warning message during boot and then you have
to load the default settings for new devices.
[Disabled] Disables this function and keeps the current BIOS settings.
▶ CPU Specications sub-menu
Press Enter to enter the sub-menu. This sub-menu displays the information of
installed CPU. You can also access this information menu at any time by pressing [F4].
Read only.
▶ MEMORY-Z sub-menu
Press Enter to enter the sub-menu. This sub-menu displays all the settings and
timings of installed memory. You can also access this information menu at any time by
pressing [F5].

MSI MPG B550 Specifications

General

Form Factor	ATX
Chipset	AMD B550
Max Memory	128GB
Memory Type	DDR4
M.2 Slots	2
SATA Ports	6
Socket	AM4
Memory Slots	4
Memory Speed	4400MHz (OC)
Network	2.5G LAN
Wi-Fi	Wi-Fi 6 (802.11ax)
Bluetooth	Bluetooth 5.1
RGB Support	Mystic Light