MSI B550M PRO-VDH WIFI User Manual

54
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 Failure Retry Count [2]
Sets the count for memory OC retry. When memory OC retry fails reach the count,
the memory will restore the last available settings. This item will display when the
Memory Failure Retry sets to Enabled.
▶ 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.
▶ CHIP Voltages control [Auto] (optional)
These options allows you to set the voltages related to chipset If set to Auto, BIOS will
set these voltages automatically or you can set it manually.

MSI B550M PRO-VDH WIFI Specifications

General

Processor socket	Socket AM4
Processor manufacturer	AMD
Compatible processor series	-
Audio chip	Realtek ALC892 / Realtek ALC897
Component for	PC
Motherboard chipset	AMD B550
Audio output channels	7.1 channels
Motherboard form factor	micro ATX
Windows operating systems supported	Windows 10 x64
Bluetooth	Yes
LAN controller	Realtek RTL8111H
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
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 speed (max)	4400 MHz
RAID levels	0, 1, 10
Supported storage drive interfaces	M.2, SATA III
PCI Express x1 (Gen 3.x) slots	2
PCI Express x16 (Gen 4.x) slots	1
DirectX version	12.0
USB 3.2 Gen 1 (3.1 Gen 1) connectors	3
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.