User Manual
Page 1
... have even link to watch it with the web browser on your computer. Preparing Tools and Components AMD® AM4 CPU CPU Fan DDR4 Memory Power Supply Unit Chassis Graphics Card Thermal Paste SATA Hard Disk Drive SATA DVD Drive Phillips Screwdriver A Package of the installations also provide video demonstrations. Quick Start Thank you for purchasing the MSI® MAG B550 TOMAHAWK motherboard. Please link to the URL to the URL by scanning the QR code.
... have even link to watch it with the web browser on your computer. Preparing Tools and Components AMD® AM4 CPU CPU Fan DDR4 Memory Power Supply Unit Chassis Graphics Card Thermal Paste SATA Hard Disk Drive SATA DVD Drive Phillips Screwdriver A Package of the installations also provide video demonstrations. Quick Start Thank you for purchasing the MSI® MAG B550 TOMAHAWK motherboard. Please link to the URL to the URL by scanning the QR code.
User Manual
Page 13
... Quick Start ...1 Preparing Tools and Components 1 Safety Information 2 Installing a Processor 3 Installing DDR4 memory 5 Connecting the Front Panel Header 6 Installing the Motherboard 7 Connecting the Power Connectors 8 Installing SATA Drives 9 Installing a Graphics Card 10 Connecting Peripheral Devices 11 Power On...12 Specifications...15 Package contents 20 Block Diagram ...21 Rear I/O Panel...22 LAN Port LED Status Table 22 Audio Ports Configuration 22 Realtek Audio Console 23 Overview of Components 25 Processor Socket 27 DIMM Slots...28 PCI_E1~4: PCIe Expansion Slots 29...
... Quick Start ...1 Preparing Tools and Components 1 Safety Information 2 Installing a Processor 3 Installing DDR4 memory 5 Connecting the Front Panel Header 6 Installing the Motherboard 7 Connecting the Power Connectors 8 Installing SATA Drives 9 Installing a Graphics Card 10 Connecting Peripheral Devices 11 Power On...12 Specifications...15 Package contents 20 Block Diagram ...21 Rear I/O Panel...22 LAN Port LED Status Table 22 Audio Ports Configuration 22 Realtek Audio Console 23 Overview of Components 25 Processor Socket 27 DIMM Slots...28 PCI_E1~4: PCIe Expansion Slots 29...
User Manual
Page 14
... RGB LED connectors 40 EZ Debug LED...41 LED_SW1: EZ LED Control 41 Installing OS, Drivers & Utilities 42 Installing Windows® 10 42 Installing Drivers 42 Installing Utilities 42 UEFI BIOS...43 BIOS Setup...44 Entering BIOS Setup 44 Resetting BIOS...45 Updating BIOS...45 EZ Mode ...47 Advanced Mode ...50 SETTINGS Menu 51 OC Menu...53 M-FLASH Menu ...55 OC PROFILE Menu 56 HARDWARE MONITOR Menu 57 AMD RAID Configuration 59 Enabling RAIDXpert2 Configuration Utility 59 Initializing Disks 60 Creating Arrays...61 Deleting Arrays ...62 Installing RAID Driver 63 Troubleshooting 64...
... RGB LED connectors 40 EZ Debug LED...41 LED_SW1: EZ LED Control 41 Installing OS, Drivers & Utilities 42 Installing Windows® 10 42 Installing Drivers 42 Installing Utilities 42 UEFI BIOS...43 BIOS Setup...44 Entering BIOS Setup 44 Resetting BIOS...45 Updating BIOS...45 EZ Mode ...47 Advanced Mode ...50 SETTINGS Menu 51 OC Menu...53 M-FLASH Menu ...55 OC PROFILE Menu 56 HARDWARE MONITOR Menu 57 AMD RAID Configuration 59 Enabling RAIDXpert2 Configuration Utility 59 Initializing Disks 60 Creating Arrays...61 Deleting Arrays ...62 Installing RAID Driver 63 Troubleshooting 64...
User Manual
Page 15
...;▫2DPC 2R max speed 3600 MHZ ∙∙Dual channel memory architecture ∙∙Supports non-ECC UDIMM memory ∙∙Supports ECC UDIMM memory (non-ECC mode) ∙∙Supports un-buffered memory * Please refer www.msi.com for the processor with integrated graphics. Specifications CPU Chipset Memory Expansion Slot Multi-GPU Onboard Graphics Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update AMD B550 Chipset ∙∙4x DDR4 memory slots, support up to...
...;▫2DPC 2R max speed 3600 MHZ ∙∙Dual channel memory architecture ∙∙Supports non-ECC UDIMM memory ∙∙Supports ECC UDIMM memory (non-ECC mode) ∙∙Supports un-buffered memory * Please refer www.msi.com for the processor with integrated graphics. Specifications CPU Chipset Memory Expansion Slot Multi-GPU Onboard Graphics Supports AM4 socket 3rd Gen AMD Ryzen™ processors, and future AMD Ryzen™ processors with BIOS update AMD B550 Chipset ∙∙4x DDR4 memory slots, support up to...
User Manual
Page 18
... Hardware Monitor Form Factor BIOS Features Software Dragon Center Features ∙∙CPU/ System/ Chipset temperature detection ∙∙CPU/ System/ Pump fan speed detection ∙∙CPU/ System/ Pump fan speed control ∙∙ATX Form Factor ∙∙12 in . (30.5 cm x 24.4 cm) ∙∙1x 256 Mb flash ∙∙UEFI AMI BIOS ∙∙ACPI 6.0, SMBIOS 2.8 ∙∙ Multi-language ∙∙ Drivers ∙...
... Hardware Monitor Form Factor BIOS Features Software Dragon Center Features ∙∙CPU/ System/ Chipset temperature detection ∙∙CPU/ System/ Pump fan speed detection ∙∙CPU/ System/ Pump fan speed control ∙∙ATX Form Factor ∙∙12 in . (30.5 cm x 24.4 cm) ∙∙1x 256 Mb flash ∙∙UEFI AMI BIOS ∙∙ACPI 6.0, SMBIOS 2.8 ∙∙ Multi-language ∙∙ Drivers ∙...
User Manual
Page 40
... power cord from the power outlet before installing or removing the RGB LED strip. ∙∙Please use MSI's software to control the extended LED strip. 40 Overview of Components JRAINBOW1~2: Addressable RGB LED connectors The JRAINBOW connectors allow you to connect the WS2812B Individually Addressable RGB LED strips 5V. 1 1 +5V 2 Data 3 No Pin 4 Ground Addressable RGB LED Strip Connection 1 +5V D JRAINBOW connector Rainbow RGB LED extension cable Addressable RGB LED Fan Connection JRAINBOW connector...
... power cord from the power outlet before installing or removing the RGB LED strip. ∙∙Please use MSI's software to control the extended LED strip. 40 Overview of Components JRAINBOW1~2: Addressable RGB LED connectors The JRAINBOW connectors allow you to connect the WS2812B Individually Addressable RGB LED strips 5V. 1 1 +5V 2 Data 3 No Pin 4 Ground Addressable RGB LED Strip Connection 1 +5V D JRAINBOW connector Rainbow RGB LED extension cable Addressable RGB LED Fan Connection JRAINBOW connector...
User Manual
Page 42
... installation disc/USB from CD or DVD... If you turn off the AutoPlay feature from the Windows Control Panel, you can still manually execute the DVDSetup.exe from the root path of the window. 5. Restart your computer. Installing OS, Drivers & Utilities Please download and update the latest utilities and drivers at www.msi.com Installing Windows® 10 1. Press the Restart button on the computer. 2. Follow the instructions on the screen to...
... installation disc/USB from CD or DVD... If you turn off the AutoPlay feature from the Windows Control Panel, you can still manually execute the DVDSetup.exe from the root path of the window. 5. Restart your computer. Installing OS, Drivers & Utilities Please download and update the latest utilities and drivers at www.msi.com Installing Windows® 10 1. Press the Restart button on the computer. 2. Follow the instructions on the screen to...
User Manual
Page 45
Updating BIOS Updating BIOS with M-FLASH Before updating: Please download the latest BIOS file that contains the update file into the USB flash drive. And then save the BIOS file into the USB port. 2. After the flashing process is off before clearing CMOS data. Insert the USB flash drive that matches your motherboard model from MSI website. Click the M-FLASH button and click on Yes to reboot the system. Press to activate M-Flash for resetting BIOS. Updating BIOS: 1. Please refer the following methods to enter flash mode. ▪...
Updating BIOS Updating BIOS with M-FLASH Before updating: Please download the latest BIOS file that contains the update file into the USB flash drive. And then save the BIOS file into the USB port. 2. After the flashing process is off before clearing CMOS data. Insert the USB flash drive that matches your motherboard model from MSI website. Click the M-FLASH button and click on Yes to reboot the system. Press to activate M-Flash for resetting BIOS. Updating BIOS: 1. Please refer the following methods to enter flash mode. ▪...
User Manual
Page 46
... set properly. Connect the power supply to CPU_PWR1 and ATX_PWR1. (No need to start updating BIOS. 6. Press the Flash BIOS Button to the root of your motherboard model from the MSI® website. 2. Updating BIOS with MSI DRAGON CENTER Before updating: Make sure the LAN driver is already installed and the internet connection is completed. 46 UEFI BIOS Rename the BIOS file to MSI.ROM, and save it to flash BIOS, and the LED starts flashing. 6. The LED will restart automatically. Updating BIOS: 1. Install and launch MSI...
... set properly. Connect the power supply to CPU_PWR1 and ATX_PWR1. (No need to start updating BIOS. 6. Press the Flash BIOS Button to the root of your motherboard model from the MSI® website. 2. Updating BIOS with MSI DRAGON CENTER Before updating: Make sure the LAN driver is already installed and the internet connection is completed. 46 UEFI BIOS Rename the BIOS file to MSI.ROM, and save it to flash BIOS, and the LED starts flashing. 6. The LED will restart automatically. Updating BIOS: 1. Install and launch MSI...
User Manual
Page 48
... the F3 key to show the information of connected component. ∙∙ Function buttons - click on this button to enter the Hardware Monitor menu that provides the way to update BIOS with the motherboard you to manually control the fan speed by clicking on the CPU, Memory, Storage, Fan Info and Help buttons to enter the M-Flash menu that allows you purchased. ∙∙ M-Flash - click on this button to show the Favorites window. ∙...
... the F3 key to show the information of connected component. ∙∙ Function buttons - click on this button to enter the Hardware Monitor menu that provides the way to update BIOS with the motherboard you to manually control the fan speed by clicking on the CPU, Memory, Storage, Fan Info and Help buttons to enter the M-Flash menu that allows you purchased. ∙∙ M-Flash - click on this button to show the Favorites window. ∙...
User Manual
Page 50
... available: ▪▪SETTINGS - allows you to update BIOS with a USB flash drive. ▪▪OC PROFILE - Increasing the frequency may get better performance. ▪▪M-FLASH - provides the information of system. ▪▪BOARD EXPLORER - allows you to specify the parameters for chipset and boot devices. ▪▪OC - provides the way to set the speeds of fans and monitor voltages of installed devices on this motherboard. ∙∙ Menu display -
... available: ▪▪SETTINGS - allows you to update BIOS with a USB flash drive. ▪▪OC PROFILE - Increasing the frequency may get better performance. ▪▪M-FLASH - provides the information of system. ▪▪BOARD EXPLORER - allows you to specify the parameters for chipset and boot devices. ▪▪OC - provides the way to set the speeds of fans and monitor voltages of installed devices on this motherboard. ∙∙ Menu display -
User Manual
Page 51
..., chipset and boot devices. ▶▶System Status sub-menu The System Status sub-menu allows you to enter the sub-menu. ▶▶ACPI Settings Sets ACPI parameters of onboard power LED behaviors. ▶▶Integrated Peripherals sub-menu Sets integrated peripherals' parameters, such as LAN, Wi-Fi, HDD, SSD, USB and audio. Use tab key to set the parameters and behaviors of PCIe, ACPI, integrated peripherals, integrated graphics, USB, power management and Windows . ▶▶PCI Subsystem Settings Sets PCI, PCI express interface...
..., chipset and boot devices. ▶▶System Status sub-menu The System Status sub-menu allows you to enter the sub-menu. ▶▶ACPI Settings Sets ACPI parameters of onboard power LED behaviors. ▶▶Integrated Peripherals sub-menu Sets integrated peripherals' parameters, such as LAN, Wi-Fi, HDD, SSD, USB and audio. Use tab key to set the parameters and behaviors of PCIe, ACPI, integrated peripherals, integrated graphics, USB, power management and Windows . ▶▶PCI Subsystem Settings Sets PCI, PCI express interface...
User Manual
Page 52
... default settings into the BIOS and exit the BIOS setup utility with IGP. ▶▶USB Configuration sub-menu Sets the onboard USB controller and device function. Please note that data of ErP and AC Power Loss behaviors. You may also press Esc key to enter the sub-menu. ▶▶Power Management Setup sub-menu Sets system Power Management of SSD will replace any previous set the administrator password and the user password for optimum system. Type the password...
... default settings into the BIOS and exit the BIOS setup utility with IGP. ▶▶USB Configuration sub-menu Sets the onboard USB controller and device function. Please note that data of ErP and AC Power Loss behaviors. You may also press Esc key to enter the sub-menu. ▶▶Power Management Setup sub-menu Sets system Power Management of SSD will replace any previous set the administrator password and the user password for optimum system. Type the password...
User Manual
Page 53
... settings of DRAM). User can only be available when the installed processor, memory modules and motherboard support this function. ▶▶Advanced CPU Configuration Press Enter to show the normal or expert version of memory module for OC expert to configure in OC menu will be changed if the processor supports this function. ▶▶DRAM Frequency [Auto] Sets the DRAM frequency. Please note the overclocking behavior is not guaranteed. ▶▶UCLK DIV1 Mode [Auto] Sets UCLK (Internal memory controller clock) mode...
... settings of DRAM). User can only be available when the installed processor, memory modules and motherboard support this function. ▶▶Advanced CPU Configuration Press Enter to show the normal or expert version of memory module for OC expert to configure in OC menu will be changed if the processor supports this function. ▶▶DRAM Frequency [Auto] Sets the DRAM frequency. Please note the overclocking behavior is not guaranteed. ▶▶UCLK DIV1 Mode [Auto] Sets UCLK (Internal memory controller clock) mode...
User Manual
Page 54
... to set 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 Auto, BIOS will be available when the installed processor supports this information menu at any time by choosing optimized memory preset. You can also access this function. ▶▶Memory Failure Retry [Enabled] Enables or disables the...
... to set 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 Auto, BIOS will be available when the installed processor supports this information menu at any time by choosing optimized memory preset. You can also access this function. ▶▶Memory Failure Retry [Enabled] Enables or disables the...
User Manual
Page 55
.... UEFI BIOS 55 Click on Yes to perform the BIOS update process. 5. After the flashing process is 100% completed, the system will appear after rebooting. 4. Click on M-FLASH tab, a demand message will be prompted. And then follow the steps below to update BIOS with a USB flash drive. M-FLASH Menu M-FLASH provides the way to update BIOS. 1. Please download the latest BIOS file that contains the update file into your motherboard model from MSI website...
.... UEFI BIOS 55 Click on Yes to perform the BIOS update process. 5. After the flashing process is 100% completed, the system will appear after rebooting. 4. Click on M-FLASH tab, a demand message will be prompted. And then follow the steps below to update BIOS with a USB flash drive. M-FLASH Menu M-FLASH provides the way to update BIOS. 1. Please download the latest BIOS file that contains the update file into your motherboard model from MSI website...
User Manual
Page 59
... (JBOD) provides the ability to enter BIOS Setup menu. 6. Useful in scavenging space on disks unused by mirroring data between the hard drives and provides enhanced read performance. Press F7 to switch to UEFI. 5. Go to BIOS > SETTINGS > Advanced > Windows OS Configuration > BIOS UEFI/ CSM Mode and change setting to add more storage space or create a redundant array after a system is installed. RAID level comparison RAID 0 RAID 1 RAID 10 Minimum # drives 2 2 4 Data protection None Excellent Excellent...
... (JBOD) provides the ability to enter BIOS Setup menu. 6. Useful in scavenging space on disks unused by mirroring data between the hard drives and provides enhanced read performance. Press F7 to switch to UEFI. 5. Go to BIOS > SETTINGS > Advanced > Windows OS Configuration > BIOS UEFI/ CSM Mode and change setting to add more storage space or create a redundant array after a system is installed. RAID level comparison RAID 0 RAID 1 RAID 10 Minimum # drives 2 2 4 Data protection None Excellent Excellent...
User Manual
Page 63
... BIOS 2. AMD RAIDXpert2 Management Suite Installation 1. Set the SATA Mode to the directory containing the saved AMD RAID drivers, then click OK. 4. Insert the MSI Driver Disc into the optical drive. If you turn off the AutoPlay feature from the root path of the drivers while installing operating system. 1. exe from the Windows Control Panel, you to restart, click OK button to open the RAIDXpert2 Web GUI. ▪▪Default...
... BIOS 2. AMD RAIDXpert2 Management Suite Installation 1. Set the SATA Mode to the directory containing the saved AMD RAID drivers, then click OK. 4. Insert the MSI Driver Disc into the optical drive. If you turn off the AutoPlay feature from the root path of the drivers while installing operating system. 1. exe from the Windows Control Panel, you to restart, click OK button to open the RAIDXpert2 Web GUI. ▪▪Default...
User Manual
Page 64
... settings. ∙∙Restart or reset your USB drive driver has been installed. ∙∙Verify if USB device is properly connected and make sure the button is turned on. ∙∙Check if the power switch cable is connected to JFP1 pin header properly. ∙∙Verify the Clear CMOS jumper JBAT1 is no signal to monitor ∙∙Connect the monitor power cord to install only one memory module in the BIOS. The USB device is not working...
... settings. ∙∙Restart or reset your USB drive driver has been installed. ∙∙Verify if USB device is properly connected and make sure the button is turned on. ∙∙Check if the power switch cable is connected to JFP1 pin header properly. ∙∙Verify the Clear CMOS jumper JBAT1 is no signal to monitor ∙∙Connect the monitor power cord to install only one memory module in the BIOS. The USB device is not working...
User Manual
Page 68
The MSI logo used is expressed or implied. Revision History Version 2.0, 2020/05, First release. MS-7C91 &#...Support If a problem arises with your product at: http://register.msi.com 68 Regulatory Notices No warranty as to this document without prior notice. yy Visit the MSI...MSI reserves the right to make changes to accuracy or completeness is a registered trademark of purchase or local distributor. Alternatively, please try the following help resources for technical guide, BIOS updates, driver updates, and other marks and names mentioned may be obtained from the user guide...
The MSI logo used is expressed or implied. Revision History Version 2.0, 2020/05, First release. MS-7C91 &#...Support If a problem arises with your product at: http://register.msi.com 68 Regulatory Notices No warranty as to this document without prior notice. yy Visit the MSI...MSI reserves the right to make changes to accuracy or completeness is a registered trademark of purchase or local distributor. Alternatively, please try the following help resources for technical guide, BIOS updates, driver updates, and other marks and names mentioned may be obtained from the user guide...
