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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 23

post #221 of 1862
Thread Starter 
I'm glad everyone is having a good time in here. If you are all interested I would be more than happy to create a BIOS file with stock "idle" voltages to see if that solves any of your problems. I can also add stock R9 290/290X voltage tables to those BIOS files as well. The current version 1.6 of my BIOS files are using an R9 390X voltage table so that could potentially be the cause of the minor instabilities.

- Insan1tyOne smile.gif
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post #222 of 1862
That would be great smile.gif could the vmem be increase a little bit in the elpida mod? You think it could help those tighter timmings?
post #223 of 1862
Thread Starter 
Just wanted to let everyone know that I am currently working on a new revision of the BIOS files that will include files for each card with the stock voltage table and idle voltage. Hopefully this will solve some of the oddities that some of you have been experiencing. I will be leaving behind the files with the modified voltage tables and lower idle voltage as well. I should hopefully have these up by later today.

- Insan1tyOne smile.gif
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post #224 of 1862
I tried the Samsung bios on my Sapphire 290X (New Edition) and it black screens. The card does not use the reference design so I would need to use a modded Sapphire 390X bios. I'm going to try flashing my XFX card with Hynix next.
post #225 of 1862
Hi Insan1tyOne!

Registered now to thank you for your work and the others.

I'm using the 1.5a in mine R9 290 Gaming 4G and till now everything is fine.

I had a slightly improvement on the benchs for about 2/3% and a better temperature in about 3º.

Thank you biggrin.gif
post #226 of 1862
Thread Starter 
Quote:
Originally Posted by FastEddieNYC View Post

I tried the Samsung bios on my Sapphire 290X (New Edition) and it black screens. The card does not use the reference design so I would need to use a modded Sapphire 390X bios. I'm going to try flashing my XFX card with Hynix next.

Yes, compatibility with non-reference PCBs is a complete shot in the dark. It may work or it may not. It is a shame really.
Quote:
Originally Posted by xalakx View Post

Hi Insan1tyOne!

Registered now to thank you for your work and the others.

I'm using the 1.5a in mine R9 290 Gaming 4G and till now everything is fine.

I had a slightly improvement on the benchs for about 2/3% and a better temperature in about 3º.

Thank you biggrin.gif

Great! I am glad to hear that you are benefiting from it! Be sure to check out the latest revision as well!


ATTENTION:

I have just updated the BIOS files to version 1.7! Head back to the OP and give them a try. The newest revision includes:

  • Added "STOCK" BIOS files to each category. These BIOS files contain the STOCK idle voltage and voltage tables of an R9 290 or R9 290X depending on which BIOS you use.

Enjoy!

- Insan1tyOne smile.gif
Edited by Insan1tyOne - 8/3/15 at 2:15pm
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post #227 of 1862
I'll have to wait till the weekend to test them but thanks once again smile.gif

Is the vmem voltage adjustment out of the question? With stock bios the vmem voltage is adjustable in afterburner, but with your Bios this option disappears :\
post #228 of 1862
Thread Starter 
Quote:
Originally Posted by spyshagg View Post

I'll have to wait till the weekend to test them but thanks once again smile.gif

Is the vmem voltage adjustment out of the question? With stock bios the vmem voltage is adjustable in afterburner, but with your Bios this option disappears :\

Hmm, I can't say that I have ever seen an R9 290 / 290X with an adjustable "vmem" in the first place. The only two voltage options that you should be able to adjust are the "Aux. Voltage" and the "Core Voltage" plus the "Power Limit" slider. By default Aux and Core voltage can go up to +100(mV) and Power Limit up to +50%.

- Insan1tyOne smile.gif
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post #229 of 1862
Thanks mate, i'll take a look at the 1.7 BIOS then wink.gif
post #230 of 1862
long story short: with my non-reference-pcb the blackscreen-fix broke it for me.
i can boot each samsung 290 non-x bios as long as i edit device-id to 290x one. with this i get blackscreen on boot but working in windows

with original device-id i get working boot prompt but blackscreen in windows, regardless of voltagetable and so on.

what exactly did you do to mod the bios from 390 for 290? i might see if there's a similar 390 with non-reference pcb similar to my 290 maybe modding that bios would work for me XD
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