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RED BIOS EDITOR and MorePowerTool

Important foreword

In the following I will describe the procedure using a Sapphire RX 5700 XT Pulse as an example, and also convert the values only very moderately, so that the hardware is guaranteed not to be damaged. Everything else is then the responsibility of each user himself. Otherwise, the restrictions made on page one and the terms of use listed there apply (please read before using the software!).

1. Extracting the VBIOS with GPU-Z

First of all, of course, we have to extract the original BIOS of the graphics card in question and save it on the hard disk. For this purpose, we use GPU-Z from TechPowerUp (TPU). After we have saved the BIOS to the hard disk, we then continue working in the MPT.

2. Modification of the PowerPlayTables in the MPT

This is done as usual and already known, whereby I will briefly outline the individual steps again. Most of it is self-explanatory and for more in-depth interventions I ask to approach the community in the forum. If you are not familiar with the most important basic terms, you should protect yourself and your hardware from such programs anyway. But what is absolutely necessary: the program MPT has to be started as administrator and the buttons “Delete SPPT” and “Write SPPT” are not needed in combination with the BIOS editor!

Either you click with the right mouse button on the program icon and then on “Run as administrator” or you set the corresponding permanent default in the shortcut properties. In the lower area you can use “Load” to load the default settings for your selected graphics card from the previously saved BIOS (or a settings file of the MPT) into the MPT and save them later as a special settings file by clicking “Save”. The program changes mostly only the upper and lower limits of the Wattman settings or blocks input possibilities or releases them. However, the software does not completely replace the Wattman from the Radeon software or other overclocking tools, but instead extends their input possibilities!

 

Under “Overdrive Features” you can define which areas you want to enable or disable in Wattman. It is best if everything should be selected. Some options in the SoftPowerPlayTables seem to be optional or will be available in future Wattman versions.

Overdrive-Limits, Power-/Voltage-Limits und Taktraten

The name “Overdrive Limits” actually says it all and the labeling of the individual fields is also clear and self-explanatory (picture below right). Values, which exceed or fall below the possible limits, are ignored by the Wattman. If you want to use the fan control with Zero Fan Speed, you have to enter a 1 instead of the 0 for “Zero Fan Control”! The voltage and power limits should be used with special care (picture below left)! Even if the graphics card has internal protection mechanisms, using inappropriate values can at least lead to instabilities and system crashes! Particularly with the SoC, overconfident specifications can lead to a fast collapse or overheating and throttling of the card.

The same applies, of course, to the frequency specifications (bottom left picture). The fan control (picture below right) is a good option to adapt the graphics card with air cooler to the individual needs and operating conditions (case) and also to optimize it acoustically. The option “Zero RPM Enable” only sets the check mark (status “activated”), in order for it to be visible at all, the value for the Overdrive Limits must already have been set to 1 (see above). This function is only visible and selectable at all if the fan control is set to “Automatic”. If you have set this option to “Manual” at any time (see also “Fan Curve” under Overdrive Features!), the “Zero RPM Control” is not visible!

Finally, the changes are written to the MPT settings file with “Save” and not to the registry with “Write SPPT”. We need this settings file for the BIOS editor!

 

3. Modify BIOS with the RBE

Now we start the program RBE and open with “Load” the previously saved BIOS (or a suitable BIOS of our choice). It is not necessary to change the GUID, but you can turn your card into an XTX (visually). But this does not make it faster for the time being. The identification of the manufacturer is also rather unimportant, but you can at least pretend. It is important to note that the Radeon RX 5500 XT is currently not (yet) supported.

Then we switch to the tab “PowerPlay” and load the settings file created above from the MPT. What you can do optionally is to change the VRAM settings. If you use e.g. a foreign BIOS of another card, then you can optionally change the settings for the identification of the memory modules. If and what this does in detail, the community will surely find out. This also concerns the stored strings, which should only be changed manually if you really know what you are doing.

Explanation and instructions for the new Curve Editor

Since this part is a bit more extensive, I have published a separate article for it, which can (and should!) be read here below:

All about the Curve Editor and the default values (Click here!)

 

We are already done with this, so that we only have to save the new BIOS with “Save”. How this works with the flashing, you will learn on the next page. Before I have all for you in a short video:

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About the author

Igor Wallossek

Editor-in-chief and name-giver of igor'sLAB as the content successor of Tom's Hardware Germany, whose license was returned in June 2019 in order to better meet the qualitative demands of web content and challenges of new media such as YouTube with its own channel.

Computer nerd since 1983, audio freak since 1979 and pretty much open to anything with a plug or battery for over 50 years.

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