Welcome! This manual guides you through the MSI B350 Tomahawk, offering comprehensive instructions for setup, configuration, and maximizing its gaming potential․
Overview and Key Features
The MSI B350 Tomahawk delivers robust performance and reliability for Ryzen processors․ Key features include Military Class IV components, ensuring stability, and Mystic Light RGB for customization․ It supports DDR4 memory up to 3200MHz, offering fast speeds․ Enjoy enhanced audio with Audio Boost, and experience seamless connectivity with USB 3․1 Gen1․
Target Audience for this Manual
This manual is designed for both novice and experienced PC builders․ It caters to gamers, system integrators, and anyone seeking to build or upgrade a PC using the MSI B350 Tomahawk motherboard․ Clear, step-by-step instructions are provided, alongside detailed explanations of BIOS settings and troubleshooting tips․

Unboxing and Component Identification
Carefully unpack the box and verify all components are present․ This section details the motherboard, cables, screws, and included manuals for easy identification․
Package Contents Checklist
Ensure you have: the MSI B350 Tomahawk motherboard, SATA cables for storage devices, the I/O shield for rear panel ports, a detailed user manual for guidance, and mounting screws․ Verify the presence of the M․2 screw and standoffs․ Confirm all listed items are included before proceeding with installation to avoid complications․
Motherboard Layout and Key Connectors
Locate essential components: the CPU socket, RAM slots, PCIe slots for graphics cards, M․2 slots for fast storage, SATA ports for hard drives/SSDs, and front panel connectors․ Identify USB headers, fan connectors, and the audio panel․ Understanding their placement simplifies component installation and cable management․
Installation Guide
Begin your build! This section details the step-by-step process for installing the CPU, RAM, and cooler, ensuring a stable and efficient system foundation․
CPU Installation
Carefully prepare the socket by lifting the lever․ Align the CPU with the socket’s golden triangle marking, gently placing it into position – do not force it․ Securely close the lever, confirming a snug fit․ Incorrect installation can cause permanent damage, so double-check alignment before proceeding․
RAM Installation and Configuration
Open the retaining clips on the DIMM slots․ Align the notch on the RAM module with the slot’s key․ Press down firmly and evenly on both ends until the clips click into place․ Consult the manual for optimal dual-channel configuration, prioritizing matched kits for peak performance․
Cooler Installation
Ensure the CPU cooler is compatible with the AM4 socket․ Apply thermal paste evenly to the CPU’s integrated heat spreader․ Align the cooler with the mounting holes and secure it using the provided bracket and screws․ Tighten screws diagonally for even pressure and optimal heat dissipation․
BIOS Setup and Navigation
Access the UEFI BIOS during startup by pressing the designated key (usually Delete)․ Navigate using arrow keys, selecting options with Enter, and saving changes․
Accessing the BIOS
To enter the BIOS setup on your MSI B350 Tomahawk, repeatedly press the ‘Delete’ key immediately after powering on your system․ Ensure fast, continuous presses․ If Windows starts, restart and try again․ The key prompt briefly appears during the boot sequence․ Successful entry grants access to system configuration options․
BIOS Settings Overview
The MSI B350 Tomahawk BIOS offers extensive control․ Key sections include: OC (overclocking), Hardware Monitor (temperatures/voltages), Settings (boot order/SATA config), and M-Flash (BIOS updates)․ Explore these areas to customize performance, monitor system health, and configure hardware․ Save changes before exiting to ensure proper application․
Loading Optimized Defaults
To ensure stability, especially after overclocking, load Optimized Defaults within the BIOS․ This resets settings to factory configurations, resolving potential issues caused by incorrect adjustments․ Locate the “Load Optimized Defaults” option, typically found in the BIOS’s Save & Exit menu, and confirm the action․

Driver Installation
Essential drivers unlock the B350 Tomahawk’s full potential․ Download and install chipset, audio, network, and graphics drivers from the MSI support website for optimal performance․
Downloading and Installing Chipset Drivers
Crucial for system stability, chipset drivers enable communication between the CPU and motherboard components․ Visit the official MSI website, navigate to the B350 Tomahawk support page, and download the latest chipset drivers compatible with your operating system․ Run the installer and follow the on-screen prompts for a seamless installation process, ensuring optimal performance and functionality․
Audio and Network Driver Installation
Enhance your audio and connectivity! Download the latest Realtek audio and Intel/Killer network drivers from the MSI B350 Tomahawk support page․ Install each driver separately, following the on-screen instructions․ Proper installation ensures high-quality sound output and a stable, fast network connection for online gaming and browsing experiences․
Graphics Driver Installation
Unlock visual performance! Obtain the newest graphics drivers – AMD or NVIDIA – directly from their respective websites, selecting the driver compatible with your GPU model․ A clean installation is recommended for optimal performance; remove older drivers beforehand․ Enjoy smooth frame rates and stunning visuals in your favorite games!
Overclocking Guide
Boost performance! Carefully adjust CPU and RAM voltages within the BIOS to achieve higher clock speeds, but always prioritize system stability and monitoring․
Understanding CPU and RAM Overclocking
Maximize potential: Overclocking increases component speeds beyond factory settings, enhancing performance․ CPU overclocking involves adjusting the multiplier and voltage, while RAM benefits from tweaking frequency and timings․ Stability is crucial; improper settings can cause crashes․ Monitor temperatures closely during testing, and proceed incrementally for optimal results with your B350 Tomahawk․
Voltage Adjustments and Monitoring
Precise control: Carefully adjust CPU and RAM voltages within the BIOS to achieve stable overclocks․ Monitor temperatures using software like HWMonitor to prevent overheating․ Incremental increases are key; excessive voltage can damage components․ The B350 Tomahawk provides robust voltage control, but caution and monitoring are paramount for safe overclocking․
Stability Testing
Rigorous testing is crucial! Utilize programs like Prime95 or AIDA64 to stress-test your overclocked system․ Monitor for errors or crashes during extended runs – several hours are recommended․ Passing these tests confirms stability․ If instability occurs, reduce voltages or revert to default settings for a reliable experience․

Connectivity and Ports
Explore the options! The B350 Tomahawk offers diverse rear I/O and internal connectors, including USB ports, fan headers, and audio jacks for peripherals․
Rear Panel I/O Ports
Discover connectivity! The rear panel boasts PS/2 ports for legacy devices, USB 2․0 and 3․1 Gen1 for fast data transfer, HDMI and DisplayPort for visual output, and audio jacks․
Additionally, a Gigabit LAN port ensures stable network connectivity, providing a comprehensive range of options for connecting your peripherals and displays․
Internal Connectors (USB, Fan Headers, etc․)
Expand your system! Inside, find USB 2․0 and 3․0 headers for front panel connectivity, multiple fan headers for optimal cooling, and SATA connectors for storage devices․ A clear CMOS jumper aids troubleshooting, while front panel audio headers ensure seamless sound integration within your PC case․

Troubleshooting Common Issues
Resolve problems quickly! This section details solutions for no power, boot failures, display issues, and USB port malfunctions, ensuring a smooth user experience․
No Power/Boot Issues
Diagnosing power problems: Verify the power supply switch is on and all cables are securely connected․ Check the front panel connectors are correctly aligned․ If no boot occurs, reseat RAM modules and the CPU․ Clear CMOS using the jumper, and ensure no USB devices are interfering with startup․
Display Problems
Troubleshooting display issues: Confirm the monitor cable (HDMI or DisplayPort) is firmly connected to both the graphics card and display․ Ensure the graphics card is properly seated in the PCIe slot․ Try a different cable or monitor․ Update graphics drivers, or test with integrated graphics if available․
USB Port Issues
Addressing USB connectivity problems: First, verify the USB device is functioning correctly on another system․ Ensure the USB cable is secure․ Try different USB ports on the motherboard – some offer faster speeds․ Reinstall USB chipset drivers․ Check BIOS settings for USB configuration options․
Fan Control and Monitoring
Optimize cooling! Adjust fan curves within the BIOS or utilize MSI’s monitoring software for precise temperature-based fan speed control and system stability․
Configuring Fan Curves in BIOS
Customize cooling profiles! Access the hardware monitor within the BIOS to define custom fan curves․ Adjust fan speeds based on CPU temperature thresholds, creating a balance between quiet operation and optimal cooling performance․ Experiment with different settings to find the ideal curve for your system, ensuring stability during intense workloads and gaming sessions․
Using Monitoring Software
Real-time system insights! Utilize MSI’s Dragon Center or third-party tools like HWMonitor to observe CPU and component temperatures, fan speeds, and voltages․ This allows for proactive monitoring, identifying potential overheating issues, and fine-tuning fan curves for optimal thermal management and system stability during demanding tasks․

Storage Configuration
Maximize data speeds! This section details installing SATA and M․2 SSDs, alongside configuring RAID arrays for enhanced performance and data redundancy options․
SATA and M․2 SSD Installation
Connecting storage is key! Locate the SATA ports on the motherboard and connect your SSDs using SATA data cables․ For M․2 drives, identify the M․2 slot, carefully insert the SSD, and secure it with the provided screw․ Ensure proper alignment and gentle handling during installation for optimal performance and longevity․
RAID Configuration
Enhance data reliability or speed! Access the RAID configuration utility during boot-up (usually by pressing a specific key, like Delete)․ Select your desired RAID level (0, 1, or 10) and choose the SATA drives to include․ Confirm settings and save – remember RAID 0 offers speed, while RAID 1 provides redundancy․

Network Configuration
Connect and configure! This section details setting up both wired Ethernet and, if equipped, wireless network connections for optimal internet access․
Wired Ethernet Setup
Establishing a stable connection is key! Locate the Ethernet port on the rear I/O panel․ Connect one end of a standard Ethernet cable to the motherboard, and the other to your router or network switch․ Ensure proper cable seating․ The system should automatically detect the connection, enabling internet access․
Wireless Network Setup (if applicable)

RGB Lighting Control
Customize! Utilize MSI Mystic Light software to personalize RGB effects, synchronize lighting across compatible components, and create a unique aesthetic․
MSI Mystic Light Software
Explore! MSI’s Mystic Light software empowers users to control and customize the RGB lighting on the B350 Tomahawk motherboard․ This intuitive program allows for selecting preset lighting effects, creating custom color schemes, and synchronizing illumination with other compatible MSI components․
Customizing RGB Effects
Personalize! Within Mystic Light, users can fine-tune RGB effects to match their system’s aesthetic․ Options include static color selection, breathing, rainbow, and wave effects․ Adjust speed, brightness, and color order for a truly unique visual experience, enhancing the overall gaming atmosphere․

Updating the BIOS
Keep current! Utilize M-Flash for easy BIOS updates directly within the UEFI interface, ensuring optimal system performance and compatibility with newer hardware․
Using M-Flash
M-Flash simplifies BIOS updates! Access it within the UEFI setup, selecting a BIOS file from a USB drive․ Ensure the drive is formatted correctly (FAT32)․ The utility handles flashing, offering a user-friendly process without needing a separate operating system․ Always prioritize a stable power supply during this critical operation․
Precautions During BIOS Updates
Critical: Never interrupt a BIOS update! Maintain a stable power supply – use a UPS if possible․ Incorrect flashing can brick your motherboard․ Verify the BIOS file’s integrity before updating․ Back up your current BIOS if feasible․ Avoid overclocking during the process, and disconnect unnecessary USB devices for stability․

Warranty Information and Support
MSI provides comprehensive warranty details and dedicated support channels for your B350 Tomahawk․ Visit the MSI website for claim procedures and assistance․
MSI Warranty Details
MSI offers a standard manufacturer’s warranty covering defects in materials and workmanship for the B350 Tomahawk motherboard․ The warranty period varies by region, typically ranging from one to three years from the date of purchase․ Proof of purchase is essential for any warranty claim․
Contacting MSI Support
For assistance, visit the official MSI website for FAQs, driver downloads, and a knowledge base․ Direct support is available via online chat, email, or phone, with regional contact details provided on the MSI support page․ Register your B350 Tomahawk for faster service!