With the arrival of the Navi 21 chips, AMD has caught up with NVIDIA in all ranges, but this is not enough for many users, who are looking to squeeze or customize the performance of their card. For this, there are programs such as RED BIOS EDITOR and MorePower Tools , which manage to modify sensitive parameters of each AMD graphic card to achieve more performance, better temperature, or lower loudness. Today we are going to know them thoroughly, ready?
Before starting, several very logical points must be clarified. These utilities are critical, that is, the modification of the BIOS and the parameters that this entails, as well as the corresponding subsequent flashing, are the sole and exclusive responsibility of the user, who is assumed to have the necessary knowledge to touch said parameters with values that he considers insurance.

We are not responsible for problems, errors or breakage of the graphics card or other component derived from the use of these programs, so if you do not know what you are playing, it is better to leave it as it is, it is safer. With that said, let’s get started!
RED BIOS EDITOR and MorePower Tools, modify the parameters of your AMD GPU

The first thing to keep in mind is that it is possible that our graphics card is not supported by these programs, since although the support is expanding, it always takes some time to arrive until it is verified that it is safe.
To these two programs we must add that we have to download the software to flash the modified BIOS, because the whole process that we are going to see deals with the modification of said BIOS to leave the card to our liking, be it for overclock, underclock or any other setting to play.
Therefore, we are going to proceed with the corresponding downloads first and then we will see the order to use of each program.
- AMDvbFlash for Windows (to flash the modified BIOS).
- RED BIOS EDITOR for Windows (Editor).
- MorePower Tools for Windows (Additional Utility).
- GPU-Z (to extract the BIOS of our GPU)
Once everything is downloaded, we are going to explain how each program works, starting with RED BIOS EDITOR.
Change the parameters from the original BIOS of your GPU
We will have to open GPU-Z to start the process, where once opened we will have to go to the button that is in the upper right part, right next to the BIOS version and save said BIOS wherever we want by giving the option “save to file “.

After that, it will tell us that everything has gone correctly through a message as shown in the image below:

Now we open MorePower Tools, where we will have to do it in administrator mode by right clicking on the “run as administrator” file. Even so, Windows will warn us that it is a potentially harmful program, but we will ignore this warning by clicking on “more information”, and then on “run anyway”.


After which the normal installer will open and everything is based on the typical “next, next, next” accepting along the way the options that you request.
Once installed, the theme and appearance that MorePower Tool (MPT) will have is this:

In the upper drop-down menu we will have to choose our GPU to start with the parameters to touch.

As we can see, we already have the tabs available, but the reality is that it does not let us touch anything and that is because we will have to hit the “load” button to load the BIOS that we have previously extracted with GPU-Z. Once done the options will be unlocked.

In our case all the options are inhabited except for a “zero RPM”, that is simply because we have a reference GPU from AMD, so its turbine heatsink should not stop as it has a more limited cooling.
The rest of the options have to be seen from the perspective that many will be enabled from the AMD drivers or from third-party control and overclocking programs, such as underclock or undervolt.
There really isn’t much to explain about the options because they are by themselves very descriptive and perfectly understandable.

The “Overdrive Limits” tab shows options for frequency, RPM, acoustic RPM and the power limits that limit consumption, very useful if we need to extend the range by default.

“Power and Voltage” does the same with the consumption in watts, the amps of the TDC and the voltages in each state of the graphics card. The frequency section is less complicated if possible, since it specifies the speeds in the 4 states of rest of the GPU, as well as the two of Game Mode in maximum and minimum, and of course the one that AMD specifies for the SoC as such , which is not more than the base frequency as a general rule.

The next tab, “curve”, it is better not to touch it, since they are parameters that the driver or software in question will detect to calculate the GHz and volts curve in reference to the parameters that we have placed in previous tabs.

Finally, we have the “fan” tab, where we will configure everything related to the fan of our GPU. Here we must be careful because we are talking about the cooling of the card, so it is convenient to know what we are playing, lest it end up fried due to an error in the values.

Once everything has been modified within MPT, what we will do is give “save” to save a file with the modified configuration and here we finish with the program. We emphasize that we are not saving the BIOS as such, but a configuration file for said BIOS, so now we need to open RBE.
RED BIOS EDITOR, save your BIOS with modified settings
As we may well have guessed, RED BIOS EDITOR will need the MPT file to work, at least in part. The installation is similar to that of MPT, so we will skip this step and go back to installing it as Administrator for obvious reasons.
Once the installation is finished, the program interface will be this:

Obviously we will have to press the “load” button to load the original BIOS of our GPU, where once it is done the possibilities will open up.

As we can see, we can even change the GPU ID to make it “mute” to a higher version, although it is not in practice as such. In the PowerPlay tab we will have a single option and it is nothing more than loading the file that MPT has generated for us previously.

We recommend not touching the VRAM Timmings tab because it represents a problem, but instead it is very useful if we come from a BIOS that is not ours, but is from another GPU model, since here we can select our VRAM correctly and then it is important to do so.
For this we must know which of the two models we have in our GPU. The easiest option is to use GPU-Z and see if in the Memory Type section we get the manufacturer. In the case that it only puts GDDRX, we will have to open the card to be 100% sure when looking at the soldered chips.

Another less recommended option is to look for a review that specifies it, but nobody assures us that the manufacturer has not changed from Samsung to Micron distributor or vice versa, where when flashing we would have a nice black screen after restarting, having to use a different GPU than primary to flash ours as secondary with the original BIOS and repeat the process again.
It must also be borne in mind that the fact of opening the GPU may entail loss of warranty depending on the country in which we are, keep this in mind, since if the screws have a sticker …
Now it would only be necessary to save the modified BIOS and with that everything would be ready for flashing.
How to flash any BIOS on AMD GPUs
Once AMDvbflash is downloaded and extracted, we will have to enter MS-Dos or CMD, as Microsoft now calls it. And once inside we will have to go to the folder path. Ideally, it should have been unzipped in C: and then we enter the drive or folder if we have unzipped the modified BIOS that we just saved, so that everything is together in a single directory.

Now we must write already inside the unit or folder:
- amdvbflash -unlockrom 0
With this we unlock the graphics card to prepare it for its new BIOS flash. The next step and having the BIOS modified within the same drive or folder is simple, you just have to write:
- amdvbflash -f -p 0 biosfilename.rom
Logically we have to replace the name of the bios file with the name that we have given to the file, in our case the specific example seen in the upper image would be such that:
- amdvbflash -f -p 0 biosrx5700mod.rom
After which the program will begin to flash the BIOS and when it is finished it will ask us to restart the PC, after which we will access and be able to enjoy our new BIOS totally modified to our liking and surely without restrictions if we have touched the values that we must touch.