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RED BIOS EDITOR and MorePowerTool for Polaris, Navi and Big Navi

4. BIOS-Flash

Now comes the last and yet no less important step, namely flashing the newly created BIOS back onto our card. This is necessary, because the Adrenaline driver since 2020 extremely restricts the execution of the SPPT stored in the registry. Whoever sets the PowerLimit, the clock or voltages too high will be punished with a GPU clock of 300 MHz which can no longer be raised. In order to circumvent this deliberately built in hurdle, only the PowerPlayTables, which are permanently stored in the BIOS, help.

Even if the checksum is correct, you still need a signed BIOS in the normal way. Since the RBE cannot provide this, also for legal reasons, we have to use a Flash tool that ignores this signature or does not test it. Furthermore, the graphics card in question must also be technically supported. Currently, only the Radeon RX 5700 and the RX 5700 XT(X) can be flashed with the tool linked here from the WWW. For the RX 5600 XT this flash tool would have to be adapted. Unfortunately, the Radeon RX 5500 XT is still completely excluded from this tools.

You have to download the Flash-Tool linked below. Afterwards start the command line window with “cmd” as administrator. Otherwise it does not work. Then change to the directory where the flash tool and the new BIOS file are located. To be able to flash at all, we first have to unlock the ROM. This is done, shown below, with the call parameter “-unlockrom” and the adapter number (here the first graphics card found is e.g. “0”).

Then we call up the flash tool again with the appropriate parameters and start the flash process. Attention! Flashing is at your own risk and can lead to a bricked BIOS if not done properly or if interrupted during the process. In this case, only a second, additionally operated graphics card will help.

After flashing, the computer must be restarted. We can already admire the new data in GPU-Z. In this case I had set the boost clock a bit higher. Now the value is no longer 1925 MHz, but 2104 MHz. In real terms the card reaches 2050 MHz with the right cooling.

But this is only the beginning, because everyone can still do some fine tuning, because finally I have also set new limits for the Wattman

 

5. Checking results and overclocking in the Wattman

Let us first look at the initial situation before the BIOS flash. 1250 mV and 2039 MHz were maximum possible with GPU tuning, the power limit was at maximum +50.

Now we look at Wattman after the BIOS Flash and with a little more room in Wattman. 1250 mV at 2121 MHz and 60% power limit. However, I would like to point out again that this is not a replica setting, but only shows exemplarily what would be possible if you proceed according to the terms of use for the software.

 

Download

We make this software available here as it is and also ask you to refrain from any requests to the editors concerning its functionality and application. For all feedback all readers can use the forum including the active community for free. As a publication we are only the mediator between the R.B.R.T. and the readers of our website. In addition, the tool is available for download exclusively from this website via a special installer and it’s free.

All other sources may contain unauthorized or older versions or even malware. To avoid this, digital distribution of the software available here is explicitly prohibited, especially since this would also constitute a copyright infringement at the same time. Links may only be made to this website, but not to the download links themselves, whose URL we also change periodically.

For legal reasons, we cannot and may not offer the flash software required to flash the individualized experimental BIOSes created in this way for direct download, but we do offer links to versions that have been reported to us by the community as suitable. But also here we can not take any responsibility for the content of third parties. Whoever downloads and uses these programs also does so at their own risk and within the scope of the restrictions listed at the beginning.

 

Beta-Versions

The MPT is becoming more and more complex and the number of users is also increasing worldwide. Exactly there, however, registry interventions or the reading of certain parameters are often enough dependent on very many individual settings of the end users and their operating systems. While there are occasional bugs and constructive feedback, some of the newly implemented features are simply too important or special to really guarantee a stable operation on the broadest level right away.

We don’t want to offer you unfinished software and pretend that it’s the end user’s fault if it doesn’t work. That’s why we want to kill two birds with one stone with our beta program, because there you can find the current beta versions, in which you can find all the features that have just been added. Let’s just call it stability program and playground for the curious. If you want to be sure, choose the previous presence, where you can also find the download of the other programs.

Click here for the Beta-Program

 

VGA Device Manager Freeware

There are too many entries for your graphics card in MorePowerTool and you don’t know which one is the right one? That’s exactly what this freeware is for, with which you can easily clear out all the overhead. Small tool, big effect! But please read the instructions first…

igor’sLAB VGA Device-Manager Freeware – Detect and delete annoying graphics card duplicates in the registry | Practice

Downloads

Whoever downloads and uses the software linked here automatically accepts the terms of use (“Disclaimer”) listed on page one! If you receive an error message when downloading or starting our installation programs for the MPT or RBE, such as messages from inappropriate antivirus software that our official and licensed installation programs with Online Downloader detect as malware, you can safely ignore this. If in doubt, you should briefly deactivate the AV software during installation.

Download area: New version of MorePowerTool (MPT) and final release of RedBIOSEditor (RBE)

Kommentar

Lade neue Kommentare

zig13

Neuling

4 Kommentare 1 Likes

Does the Adrenaline 2020 driver still respect SPPT settings When They are lower than stock?
Wondering if I could use the MorePowerTool to get my undervolt & underclock to stick. Getting really sick of opening up RadeonSettings to find it has reset to stock. Considering setting maximum voltage to the auto-undervolt value of 1152.
Or will it continue to use a bad ratio and pair that voltage with a stupidly low clock speed?

Antwort 1 Like

7
7.62

Mitglied

22 Kommentare 2 Likes

Please ask him to fix 1mb bios handling. Just make use of first 512k of bios. And save also as 512k.

Antwort Gefällt mir

t
tuxen

Mitglied

21 Kommentare 5 Likes

Thanks a lot. Much appreciated.

Antwort Gefällt mir

a
aa_trsv

Mitglied

12 Kommentare 8 Likes

Good afternoon! Will RBE work with AMD RX5500XT in the future? We are from a small community of RX5500XT owners, we want to edit timings, but this is not possible right now, please help us)

Antwort Gefällt mir

a
aa_trsv

Mitglied

12 Kommentare 8 Likes

Or can you tell me how to patch the modified BIOS, if it changed the timings manually?

Antwort Gefällt mir

h
hellm

Moderator

634 Kommentare 854 Likes

Sorry, i haven't found the time to implement the 5500XT. Maybe in the future, but there are some differences and this means work.

You can find the timing straps inside the vram info table, but you will have to fix the checksum byte at offset 0x21 in the BIOS header. It is the least significant byte of the checksum of the legacy image, or image 1. The length is found at offset 0x02 right after 55 AA, and it has to be multiplied by 0x200. Any decent hex editor can calculate the checksum. Change the byte at 0x22 so the last byte of the checksum is 0x00.

Antwort 1 Like

a
aa_trsv

Mitglied

12 Kommentare 8 Likes

Thank you for your time, I will definitely thank You! Please tell me how to calculate the checksum, there are a lot of algorithms, and where to write the result of multiplying the length and 0x200? Thanks

Antwort Gefällt mir

a
aa_trsv

Mitglied

12 Kommentare 8 Likes

Dear developer, our small community of rx5500xt owners is ready to make a donation so that you can add the ability to edit the BIOS) Help us!

Antwort Gefällt mir

Mini_Me

Urgestein

1,464 Kommentare 327 Likes

Greetings,

Do you still need help regarding properly modifying RX 5500 XT?

And please keep your donation for those who need it.

Antwort Gefällt mir

a
aa_trsv

Mitglied

12 Kommentare 8 Likes

Yes, I will be glad if you can help

Antwort 1 Like

Mini_Me

Urgestein

1,464 Kommentare 327 Likes

Alright, please state exactly what you need other than updating the RBE to support directly the RX 5500 series which I can not even If I know how to do that as I am not the creator or the developer of it.

Antwort Gefällt mir

Mini_Me

Urgestein

1,464 Kommentare 327 Likes

Do you still need help regarding properly modifying RX 5500 XT?

Antwort 1 Like

7
7.62

Mitglied

22 Kommentare 2 Likes

Да нужна помощь с 5500ХТ

Antwort Gefällt mir

7
7.62

Mitglied

22 Kommentare 2 Likes

нужна помощь

Antwort Gefällt mir

h
heavyarms1912

Mitglied

32 Kommentare 7 Likes

MPT doesn't change the max memory clock limit on 5600 XT. Changing it to a value higher than default of 930 does get registered but has no real world impact. The clocks drop back to 930/1860 Mhz.

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i
ilmeccaico

Mitglied

23 Kommentare 0 Likes

sorry, can you explain this step better?
thanks

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h
hellm

Moderator

634 Kommentare 854 Likes

Yes. But i am also busy with work and other construction sites. I will try to answer your questions, but i can't do a full tutorial right now. Might find the time to help you with a mod, though. I am also in contact with another user to try if Navi14 is even possible. So far we can't unlock a locked 5500XT BIOS, only the Navi10 versions. Maybe this will change very soon, maybe not.

Antwort Gefällt mir

S
Screemer

Neuling

8 Kommentare 4 Likes

Hi

I got a little problem with my rx580. It seems like undervolting does not work at all. A direct edit of the values like 65288 to a fixed voltage does not work anymore. I got that. But even setting the max value to 1000mv an using a offset of 120 does not work. The card does not go any lower then 1031mv. It does not matter if i edit the bios or set lower values in Wattman. They simply get ignored. I know that the card should be working with 1100mhz@880-900mv. Radeon Driver is v21.3.1.

I attached the original vBios of my card and the one i modded with RED Bios Editor.

Maybe someone can give me a hint and explain to me why it's not working.

Thx a lot!

€dit: Just wanted to give feedback because a found the solution. The minimum gpu-voltage is linked to the vram-voltage. You can't get any lower than your vram-voltage.

Antwort 1 Like

M
Mulder

Neuling

1 Kommentare 0 Likes

Hello,
I want to modify my Sapphire nitro+ 6800 VGA's BIOS (11305-01-20G, https://www.sapphiretech.com/en/consumer/nitro-radeon-rx-6800-16g-gddr6): I changed it via MPT (few things) and then saved it but when I want to open the stocked bios (.rom file) via RBE then I have the "Not supported" message. Can you help me solve this problem? I used Hive OS and I cannot really update the setting via MPT in Windows. If I know well HiveOS supported only the .rom file extension.
MPT: v.1.3.4
RBE: v.1.0.7

Antwort Gefällt mir

Danke für die Spende



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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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