Looking at the Biostar X370GTN BIOS on the whole, the first thing that springs to mind instantly its simplicity: it is very plain. Unlike a lot of motherboard manufacturers, Biostar is one of the only mainstream vendors that has a simple GUI without splitting modes between basic and advanced. A more apt enthusiast will be itching to plough through an advanced section to check out all of the settings, but this is a relatively low-cost mini-ITX offering, so we wouldn't expect a lot of wiggle room in terms of voltage and core clock control.

The main screen is split into two main sections, with a center panel with all the customizable and changeable settings, and a skin on the left which has vital data including clock speed, memory speed, the amount of memory installed and even the average fan speed. 

The Biostar Racing BIOS featured on the X370GTN has seven main tabs, although only a couple of them offer customization. The first of these screens is an advanced tab which allows for tweaking of many different settings and offers the ability to enable or disable components and controllers such as SATA ports and even on-board audio.  Also available is the ability to turn on/off AMD specific features such as Cool and Quiet or C-State options.

Having the ability to change specific USB options is handy if you wish to do so, but more useful to most is being able to switch IOMMU on and off. Users can also disable features such as the audio or networking functionality here, and RGB LED control is later in the BIOS.

With the Boot tab, managing certain aspects of boot priority can be ascertained through the options available on this screen, although there is not a menu for single 'click to Boot on this device' as with some other motherboards.

With the O.N.E screen, we find Biostar’s simplified overclocking options for CPU and memory. Only after updating to an AGESA 1006-enabled BIOS do the overclocking features appear, however. Overclocking is possible through adjusting the multiplier, or increasing the base frequency. Voltage adjustments come only with an offset, making it difficult to pin down an exact voltage. There is no Load Line Calibration setting either.

One perhaps disappointing omission from the BIOS is the inability to call upon XMP profiles from any installed memory. The easiest way to set rated speeds and timings is to simply enable XMP, but the lower-tier vendors mostly do not include this option, requiring users to set things manually. This can be an issue if there are other adjustments to be made in the secondary and tertiary sub-timings, and the motherboard vendor does not open those up (or users do not know what they are). XMP saves a lot of effort. It is worth noting that without the a BIOS built on the AGESA update, memory frequency multipliers are limited to a maximum of 3200MHz.

The BIOS also has an RGB LED lighting customization tool, for the RGB LEDs embedded in the power delivery heatsink and the RGB headers. Users have the option to enable or disable the lighting as well as changing the lighting effect and setting the red, green and blue values. 


Perhaps expected given previous Biostar reviews, the included software doesn’t amount to the volume you would expect from the primary motherboard manufacturers. What Biostar has included is the 'Biostar Racing GT Software' for adjusting LEDs and monitoring the system, and a 'Fly.NET' utility that uses the gaming-focused network controller on the board to prioritize software network access over others.

The Biostar Racing GT Software does actually provide a lot of useful information such as clock speed, motherboard information including BIOS version. Other options include Smart Ear, which increase the overall gain through the headphones.

The H/W monitor tab is much of the same, but more information including CPU/memory voltage, core and system temperature and even fan speed is present here. The fans can also be calibrated here.

Vivid LED DJ which is a very strange naming scheme as DJing has nothing to do with RGB. But the software allows for a much more comprehensive and intuitive customization of the RGB lighting compared to the BIOS options. A lot of emphasis has been placed on RGB products so far in 2017, and although there isn’t much RGB to speak of on the board, RGB LED headers are present for use of RGB strips to further enhance the bling bling.

Touching on the Fly.NET software, this allows network prioritization between different programs connected to the internet, as well as certain processes which rely on the internet. 


Board Features And Visual Inspection Test Bed and Benchmark Overview
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  • Brother Ali - Thursday, October 26, 2017 - link

    I have the asrock itx B350 and a 1600. I have my voltage set to 1.375 in the bios. In HWMonitor its .384V-1.392V; stays at 1.392V consistently.
  • austinsguitar - Wednesday, October 25, 2017 - link

    this sort of thing is why itx is bad for high wattage components. you cant expect much from this gigabyte board. the cooling on the vrm is awful. horindusly bad. these motherboards should not be overclocked too high for the long run. if you look up guides on the design of them they all miss the mark in components and cooling. so all in all. mini itx, dont do it on ryzen. atleast for overclocking long term. your problem is not new.
  • xrror - Wednesday, October 25, 2017 - link

    This is a Biostar board, not Gigabyte.
  • Dr. Swag - Monday, October 23, 2017 - link

    It would be great to see a better look into the vrms (efficiency, mosfet temps, etc.). AM4 VRMs seem to have been a hot topic (pun intended) since Ryzen launched due to boards with pretty budget vrms being able to run with 8 core CPUs. I would like a more in depth look into the vrms of each board to see how worthy all of them are.
  • u.of.ipod - Monday, October 23, 2017 - link

    Always happy to see small form factor reviews!!!
  • Lurpak - Monday, October 23, 2017 - link

    I have had this motherboard for since June and to be honest, I can not recommend it. If you are running an old version of the BIOS the motherboard is so unstable that it crashes all the time. My first unit died on me during a BIOS update (there's no backup BIOS), but luckily I was able to update the BIOS on the second one.

    Currently my problems are with memory where the motherboard sometimes fail to boot at XMP settings, which then requires me to set them again and hope that it works. My memory problems could be down to AGESA and seems to have been more stable since I got a BIOS update with AGESA, but it still fails once in a while.
  • twnznz - Tuesday, October 24, 2017 - link

    Does yours power cycle 5x when it fails a boot as well? I'm rolling AGESA as well, Trident Z F4-3200C14D-16GTZR 14-14-14-34, with XMP settings. I've wound the mem voltage up to meet 1.35v
  • Lurpak - Tuesday, October 24, 2017 - link

    Yeah, that is exactly what it does. The 5 times power cycle is a fail-safe designed to catch errors in BIOS settings. From what I have read the problem with the board seems to be, that it cannot get the correct voltage for the RAM and therefore fails boot. I am running G.Skill Ripjaws V, which runs at higher latencies.
  • Paull29724 - Sunday, November 19, 2017 - link

    I just got this motherboard, whats your system config?
  • jrs77 - Monday, October 23, 2017 - link

    mITX-boards are allways nice, but without an APU a mITX-board is pretty much useless for the majority of people, who would want to build a silent and powerefficient HTPC or SFF-office station with these.

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