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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 22

post #211 of 1897
Insan1tyOne

I have request smile.gif
Can you change in this bios Core Voltage and make two version - 25mv and -50mv (defualt is 0mv)
my bios - http://www59.zippyshare.com/v/kiLlZdf3/file.html

Big Thx for You
post #212 of 1897
Quote:
Originally Posted by Farih View Post

Same problem as me it seems.

You can open and change the BIOS with Hawaii Bios Editor.
You just change the "voltage table" from 0.900V to 0.968 (or something similar)

Upping idle voltage didnt work for me though frown.gif
Because you need to change those values:
post #213 of 1897
Quote:
Originally Posted by DDSZ View Post

Because you need to change those values:

Ohw....
I changed the voltage table only.

Ill change the others you pointed out when i am back at that PC.

Thanks in advance allready thumb.gif
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post #214 of 1897
I tried changing only the low voltage tables also, so guess I will try again with the above! biggrin.gif
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post #215 of 1897
So uh, figured I may as well try flashing my wc'd 290x to 390x, but all that's happened is now I can't boot up with it powered on/plugged in. I hope to god I haven't bricked it, I swore I did everything right (including checking what mem chips I have: Elpida). I can boot up fine using the Intergrated Graphics but as soon as I try to boot up with my GPU it just won't boot at all. Without it being able to be on when I boot I can't see how I can flash it with my old working BIOS which I made sure to save just in case.

So any ideas? Serves me right for forever tinkering with stuff when it's working fine
post #216 of 1897
I have come to the veredict that

1 - At the same speeds/voltages you had with the original bios, there are now some pattern artefact flashes but nothing serious.

2- If you up the voltages to accommodate the patterns, the cards will eventually black screen. Its like they reach a limit and shutdown for safety or something. The elpida bios blackscreens much sooner even with lower voltages.


I will now try to reduce my overclock by a bit.


my load temps went never above 48ºc
post #217 of 1897
Quote:
Originally Posted by Dynamo11 View Post

So uh, figured I may as well try flashing my wc'd 290x to 390x, but all that's happened is now I can't boot up with it powered on/plugged in. I hope to god I haven't bricked it, I swore I did everything right (including checking what mem chips I have: Elpida). I can boot up fine using the Intergrated Graphics but as soon as I try to boot up with my GPU it just won't boot at all. Without it being able to be on when I boot I can't see how I can flash it with my old working BIOS which I made sure to save just in case.

So any ideas? Serves me right for forever tinkering with stuff when it's working fine

boot with the onboard, do atiflash -i to list all ati gpus. flash the gpu! did it many times smile.gif

edit: make sure your motherboard bios/uefi gives priority to the igpu and it will boot.
Edited by spyshagg - 8/1/15 at 11:48am
post #218 of 1897
Quote:
Originally Posted by spyshagg View Post

boot with the onboard, do atiflash -i to list all ati gpus. flash the gpu! did it many times smile.gif

edit: make sure your motherboard bios/uefi gives priority to the igpu and it will boot.

Yes! Thank you dude, yeah it was just my Mobo reset to give the Integrated Graphics priority when I cleared the CMOS after I borked it first time around. All good now, flashed the old Rom then re-flashed the 390x Rom and it boots fine. Now for the real fun: benchmarks!
post #219 of 1897
Quote:
Originally Posted by xobust View Post

I'm currently using the p1t1 boos on my 290 reference card(with elphida memory). However i do not like that the frequency is constantly at 1000hz (the fan is always at high rpm)
Do these bioses have speed-step enabled (lower frequency / volt on idle)?

Also will the 290 reference cooler be able to handle the extra heat?

Yes these BIOS have the speed step, they clock down to 300mhz on idle. Initial tests with the 390x MEM MOD BIOS on my 290s, they were actually running cooler with reference cooler.
Quote:
Originally Posted by Dynamo11 View Post

So uh, figured I may as well try flashing my wc'd 290x to 390x, but all that's happened is now I can't boot up with it powered on/plugged in. I hope to god I haven't bricked it, I swore I did everything right (including checking what mem chips I have: Elpida). I can boot up fine using the Intergrated Graphics but as soon as I try to boot up with my GPU it just won't boot at all. Without it being able to be on when I boot I can't see how I can flash it with my old working BIOS which I made sure to save just in case.

So any ideas? Serves me right for forever tinkering with stuff when it's working fine

This is where the BIOS switch comes in handy also, switch it to the working BIOS on boot, then when you get to atiflash, move the physical switch on the card to the bad BIOS position and reflash, should work.
post #220 of 1897
Quote:
Originally Posted by Faster_is_better View Post

This is where the BIOS switch comes in handy also, switch it to the working BIOS on boot, then when you get to atiflash, move the physical switch on the card to the bad BIOS position and reflash, should work.

I legit forgot about the dual-BIOS switch on the 290xs. Playing around with some benchies and the 390x BIOS is giving me a lot more stable memory than I had previously. Will keep playing with it but pretty happy so far with it at 1180/1350 +151mv
Edited by Dynamo11 - 8/2/15 at 12:50pm
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