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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 231

post #2301 of 3317
Thread Starter 
Quote:
Originally Posted by afaque View Post

if i flash this bios on my reference rx 480 xfx model, is there any issue with windows booting and stufff? and plz tell me the command to program this bios from cmd as its saying that bios id mismatch thing
I'm using this bios now. So NO boot or drivers
problems for me at least.

-Open CMD with admin rights
-Find the atiflash folder
cd c:/.../.../.../atiflashfolder (example)
-than force flash the bios
atiflash -p -f 0 biosname.rom (example)
post #2302 of 3317
Quote:
Originally Posted by DDSZ View Post

Try it out: PolarisBiosEditor_v1.4.1.zip 14k .zip file
Thanks to guys @GitHub: caa82437, IojkinKot smile.gif

That's so sick! haha the 580 BIOS is so nice... ultra super mega stable timings for memory clocks... less errors and way more stable at extra high clocks... Check out these timings.... Maybe 2,500mhz memory or near it is possible? That's 320GB/s ram.

My question is there now a bump to the static usVddcOffset? I'm sure because these clocks aren't possible without it... Talking about ultra high core clocks.
post #2303 of 3317
Quote:
Originally Posted by jackalopeater View Post

I'm hunting down a bios for the Nitro+ OC RX 570 8GB, my box I got in was for an 8GB model but the sticker/card are actually a 4GB. I think you can see where I'm going with this and wondering if I can unlock the other 4GB like I did with my 480 4GB biggrin.gif
Simply change 4096 to 8192 in the bios editor? smile.gif
post #2304 of 3317
Quote:
Originally Posted by DDSZ View Post

Simply change 4096 to 8192 in the bios editor? smile.gif

Can it really be that simple?!?!?!?!?!

I'll sure enough try it, lol
post #2305 of 3317
Quote:
Originally Posted by jeztur2003 View Post

I'm using them now go back about 3 to 4 pages I posted the unverified bios you will have to use dos atiwinflash to bypass ID mismatch. Alternatively you can go to techpowerup and they are in the list of unverified rx 580 bios. https://www.techpowerup.com/vgabios/?architecture=Uploads&manufacturer=&model=RX+580&interface=&memType=&memSize=&since=

The benches using valley on this page from me using these bios with crossfire so I can confirm they work.

Can I ask how you got it to work? I keep getting subsystemID mismatch.
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post #2306 of 3317
Quote:
Originally Posted by Wolfeshaman View Post

Can I ask how you got it to work? I keep getting subsystemID mismatch.

You have to use the command line version there's a tutorial here http://www.overclock.net/t/1353325/tutorial-atiwinflash-how-to-flash-the-bios-of-your-ati-cards
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post #2307 of 3317
Thread Starter 
Quote:
Originally Posted by chris89 View Post

That's so sick! haha the 580 BIOS is so nice... ultra super mega stable timings for memory clocks... less errors and way more stable at extra high clocks... Check out these timings.... Maybe 2,500mhz memory or near it is possible? That's 320GB/s ram.

My question is there now a bump to the static usVddcOffset? I'm sure because these clocks aren't possible without it... Talking about ultra high core clocks.

I think the extra stability you see comes from a different tuning of the imc, to OC a little higher.(like amd has done with 290x>390x).(my speculations, i need to test more)

Our memory chips are not made for those frequencies... 2250Mhz is 9Ghz effective already 1Ghz over stock. 2500mhz is 10Ghz,not really possible. I think a 2250-2350mhz with little to zero errors is already very(very) good.

P.S. And the IMC is not built for 9-10Ghz VRam
Edited by generaleramon - 4/21/17 at 5:50am
post #2308 of 3317
Here's my crossfire MSI RX 580 Gaming X 8GB results I tried with no power failed 50 power failed 50 power 25mv and finally passed smile.gif I should add I've scored 13,654 on stock 480 bios but the temps were worse.


Edited by jeztur2003 - 4/21/17 at 5:52am
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post #2309 of 3317
If anyone is using the same DDU folder for some time I recommend delete and either create new or download new... Just a thought... check PAExec.exe in C:\Windows\ not supposed to be there. Never has been before.

Can anyone tell me more about this? PAExec.zip 88k .zip file
Edited by chris89 - 4/21/17 at 6:03am
post #2310 of 3317
Quote:
Originally Posted by generaleramon View Post

I think the extra stability you see comes from a different tuning of the imc, to OC a little higher.(like amd has done with 290x>390x).(my speculations, i need to test more)

Our memory chips are not made for those frequencies... 2250Mhz is 9Ghz effective already 1Ghz over stock. 2500mhz is 10Ghz,not really possible. I think a 2250-2350mhz with little to zero errors is already very(very) good.

P.S. And the IMC is not built for 9-10Ghz VRam

Right on, I'm on 580 bios 1,500mhz core 2,266mhz memory stock untouched timings/ voltages... will see how it goes... Not to mention DeLimited 999W limits. biggrin.gifthumb.gif
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