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Topic: BIOS modified RX5700 | how to edit timings | 10% speed increase. (Read 1834 times)

full member
Activity: 142
Merit: 100
Nice work. Have you tried it on 5600XTs? Curious if it could pull some extra juice out of it.
copper member
Activity: 406
Merit: 59
I`m using RedBiosEditor to change straps.
Using TRM B mode i`m getting 53Mhash @100W on the wall.
core-1200@730, mem-880@1300 - All samsung memory.

Microns are different - 56Mhash, core-1400@780, mem-912@1280 - ~135Wat on the wall - depending on brand.
Mircons and Samasungs can reach same performance.
You have to use correct timings.
Samsung GDDR6 v3
000000001F090000000000000A0900004003000018341B114E001A000606000218000000070A0A0 01D000000218E07000000010101000101001E18006211000014140000DC000000DC00000052518A 02640000000C000A12170500011F2A0C00C80000008BF5130FC800000000000000

Micron GDDR6 v3
800A0000150A000000000000EA09000040030000172A1D1446001C000606000214000000050A0A0 01E000000319306000000010101000101001F1800F91500000A0A0000D2000000D20000008A2084 02560000000A00040A160300011F2A0C00C1000000C2F4130FC100000000000000


member
Activity: 91
Merit: 10
I`m using RedBiosEditor to change straps.
Using TRM B mode i`m getting 53Mhash @100W on the wall.
core-1200@730, mem-880@1300 - All samsung memory.

Microns are different - 56Mhash, core-1400@780, mem-912@1280 - ~135Wat on the wall - depending on brand.
newbie
Activity: 6
Merit: 0
Boy am I glad I found this thread and gave it a try (so far).

So far I am stable for 10 hours, which has really been my biggest problem with my 5700's running on the stock bios.

I scratched my head for quite some time on this. It wasn't until I mined with lolminer that I saw the memory temperature was over 90C even though the standard temperature reading was about 60. So, I have a situation where I have 2 low end 5700's and then a higher end 5700xt and 5700. The low end GPU have the memory that runs hot. This seems typical of AMD if I recall I had the same issue with Vega. The 2 poor ones limit the system with crashes.

Back to the Bios. So, far it looks like it allows me to undervolt more and still maintain a core clock. I could not undervolt as much in the stock setting. Also, the hash rate went up about 8-10% and power down by 60-70 watts. Max temp of a GPU is 56C, which seems reasonable.

So, with 4 gpu I am at 210MH/s, 470-480 watts. I am not messing with memory at the moment because I have enough stability issues. There is a chance I could OC memory on the better GPU later on.

I literally had a crash after this post. Luckily I caught which GPU hung up when I found it. I think that particular card the natural voltage of the silicon is too low. I did see someone on youtube mention 800mv was a nice target with a bios mod. I was adjusting by reducing the core to a desired number, but I will try voltage now.
newbie
Activity: 6
Merit: 0
Boy am I glad I found this thread and gave it a try (so far).

So far I am stable for 10 hours, which has really been my biggest problem with my 5700's running on the stock bios.

I scratched my head for quite some time on this. It wasn't until I mined with lolminer that I saw the memory temperature was over 90C even though the standard temperature reading was about 60. So, I have a situation where I have 2 low end 5700's and then a higher end 5700xt and 5700. The low end GPU have the memory that runs hot. This seems typical of AMD if I recall I had the same issue with Vega. The 2 poor ones limit the system with crashes.

Back to the Bios. So, far it looks like it allows me to undervolt more and still maintain a core clock. I could not undervolt as much in the stock setting. Also, the hash rate went up about 8-10% and power down by 60-70 watts. Max temp of a GPU is 56C, which seems reasonable.

So, with 4 gpu I am at 210MH/s, 470-480 watts. I am not messing with memory at the moment because I have enough stability issues. There is a chance I could OC memory on the better GPU later on.
newbie
Activity: 20
Merit: 4
Anyone has the numbers for modded RX5600XT ? Seems like RX5700 now shortage in market.
copper member
Activity: 406
Merit: 59
Thank you very much for this article.

I will try 5600xt to run 52m-eth
did you mod RX5600XT and it is hashing 52mh/s?
copper member
Activity: 406
Merit: 59
Hi,
I extracet the 1MB bios of my 5700, mod it with hex editor coping 1550 straps to uppper.

After flashing and reboot I have code 43 Error (unsigned driver?)

Tried atikmdag-patcher.exe, doesn't fix it
Drivers used AMD 15/11/2019 26.20.13031.18002

Any help would be appreciated.
Thank you.
I asume you have bricked card with incorrect bios, just reflash back to original.
newbie
Activity: 52
Merit: 0
Thank you very much for this article.

I will try 5600xt to run 52m-eth
jr. member
Activity: 155
Merit: 6
Has anyone been successful in lowering the power consumption below 125 watts from the wall (using meter to measure not software) after flashing new straps? 
jr. member
Activity: 76
Merit: 1
Hi,
I extracet the 1MB bios of my 5700, mod it with hex editor coping 1550 straps to uppper.

After flashing and reboot I have code 43 Error (unsigned driver?)

Tried atikmdag-patcher.exe, doesn't fix it
Drivers used AMD 15/11/2019 26.20.13031.18002

Any help would be appreciated.
Thank you.
copper member
Activity: 406
Merit: 59
Have anyone tried to mod RX5600, curious to see what are the results?
jr. member
Activity: 155
Merit: 6
You are trying run amdvbflash but you are probably not with cmd where is your amdvbflash located.

To fix this just open folder where you have amdvbflash and copy path for this folder, go back to cmd and type cd "your path", it will looks something like this "cd C:\Users\Home\Desktop\flash"

then try to run amdvbflash -i and it should work without a problem.

Appreciate the response.  My mistake was after extracting amdflash tool, I moved the entire extracted folder to C drive flash folder.  I need to pull the files out of this folder into the C drive flash folder  So worked there after
newbie
Activity: 1
Merit: 0
You are trying run amdvbflash but you are probably not with cmd where is your amdvbflash located.

To fix this just open folder where you have amdvbflash and copy path for this folder, go back to cmd and type cd "your path", it will looks something like this "cd C:\Users\Home\Desktop\flash"

then try to run amdvbflash -i and it should work without a problem.
jr. member
Activity: 155
Merit: 6
Downloaded all the proper software to complete this flash   when in cmd window I complete the following commands and get this error...

cd/

cd flash

amdvbflash -i

then I get this error:  'amdvbflash' is not recognized as an internal or external command,
operable program or batch file.

How am I messing this up?

Would not pulling the files out of the extracted folder cause this issue?
copper member
Activity: 406
Merit: 59
I'm running 58.8 vs 53.5 at the same total power draw from the wall.

So, I had a 10% bump in hashrate for next o no extra costs.
Yes if you configure it right there is no real power increase, just hashrate.
jr. member
Activity: 195
Merit: 4
I'm running 58.8 vs 53.5 at the same total power draw from the wall.

So, I had a 10% bump in hashrate for next o no extra costs.
jr. member
Activity: 131
Merit: 2
This mod is only good for those with free electricity like myself, I find the power usage to be way higher which makes the mod not that great, if there is a way to lower the power then please drop
Mod needs more cclock thats why consumption more. my findings just %2-3 more consumption %7-8 more hash ,so it's good at all.
jr. member
Activity: 66
Merit: 4
anyone tried 5500 and 5600 yet?
member
Activity: 476
Merit: 22
This mod is only good for those with free electricity like myself, I find the power usage to be way higher which makes the mod not that great, if there is a way to lower the power then please drop
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