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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 102

post #1011 of 1859
Thanks for this topic. smile.gif I took two used 290s and turned them into 390x's, I unlocked to 290x first, then unlocked again to 390x. biggrin.gif
    
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post #1012 of 1859
Just wanted to say. I think these cards 290x/390 are the best values out there. I just cannot force myself to upgrade when the performance difference between these and flagship designs are so small. All my cards have and still do perform great. Maybe not the best out there, but good, and keep me happy. Seriously thinking about getting another just for the heck of it.

These forums have been great to get the most from them too, including modding the bios on my weak card to get it closer to my better 290x. Thanks to all of you who have helped along the way, I've certainly doled out ablot of +1s in thanks if it. Great thread
     
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post #1013 of 1859
I gave up reading this post some weeks ago, cause my wife is pregnant with my second child, and I don't have enough time to read this post and to mod my card bios.

Someone told me in this forum that modding my Sapphire 290X Tri-X OC 8Gb was useless, that it would be no performance gains with the bios mod. My question is: why? Why there is no improvement on these cards? Are they factory optimized?

Thanks in advance.

Regards,
Paco
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post #1014 of 1859
Came back to these 390x bios' and flashed the Hynix one on my 290x Tri-X OC. This time I checked all the DPM0-7 VID from my stock rom and set the voltages manually in the 390x bios. Before I had black screens during idle and things like youtube but now everything works perfectly fine.

With a +100mv boost here's what I get in firestrike.

http://www.3dmark.com/3dm/10425915 (1130/1625)

So close to 11k... makes me feel better about still using PCIE 1.1. tongue.gif
post #1015 of 1859
Damn, 1,625 MHz on the memory is crazy!
post #1016 of 1859
Hello, I just wanted to share my results.

GPU: Sapphire R9 290 Tri X OC (older model) -Hynix Memory

So I flashed "290_HYNIX_MOD_V1.7.rom" It flashed correctly, and reported (grenada Xt, etc.) But no changes were seen in Gpuz.

As well as this, after playing csgo fullscreen for about 10 minutes, small artifacts appear, and after a couple minutes, the screen goes black and crashes. I am able to reboot back into windows on the same bios.

Thanks.
post #1017 of 1859
You should not see changed in GPU-Z, it will still report as a R9 290.

Try a different bios', in theory every card should have 4 bios (2 UNMODDED and 2 MODDED).

Run benchmarks, compare results.
post #1018 of 1859
Quote:
Originally Posted by hodor418 View Post

Hello, I just wanted to share my results.

GPU: Sapphire R9 290 Tri X OC (older model) -Hynix Memory

So I flashed "290_HYNIX_MOD_V1.7.rom" It flashed correctly, and reported (grenada Xt, etc.) But no changes were seen in Gpuz.

As well as this, after playing csgo fullscreen for about 10 minutes, small artifacts appear, and after a couple minutes, the screen goes black and crashes. I am able to reboot back into windows on the same bios.

Thanks.

I believe the _MOD_.rom has voltage tables from the 390 series card that are lower than the 290 series.

Try the _Stock_.rom and see if that works for you since it has the same voltages as a stock 290.

Another thing could be that your card has a higher DPM7 VID than stock, you can figure that out using the Stilts evvd decoder from the Hawaii Bios Editing thread.
You'd have to find it in your stock rom and enter the value manually into the DPM7 slot for the correct 6 locations in PowerPlay and Limit Tables.
post #1019 of 1859
Whats the status on flashing 290x 8gb cards to 390x's? My Vapor-X needs some love.
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Second Muru
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post #1020 of 1859
Well, I've got a R9 290 Vapor X OC with Hynix memory, unfortunately locked card for R9 290 to R9 290X bios mod (the values below are not the one they should be for a successful flashing). Do I have any chances to flash successfully a R9 390 / 390x bios, also without having any artifacts of sort? Anyone got the exact same card?

Compatible adapters detected: 1
Adapter #1 PCI ID: 1002:67B1 - 174B:E283
Memory config: 0x500036A9 Hynix
RA1: F8080005 RA2: 00000000
RB1: F8010005 RB2: 00000000
RC1: F8040005 RC2: 00000000
RD1: F8010005 RD2: 00000000


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