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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 67

post #661 of 1872
hey, thanks for the bios. ive just flashed the mod bios to my powercolor ref 290x and everythings working great. im at 1200/1500 +168v ek block.

the only thing im having an issue with is random voltage spikes on VDDC. at idle 1.1v, it'll randomly spike to 1.35 or 1.4v using gpuz. is this an issue with gpuz or some kind of sensor error?

also are higher default voltages still a no go? +50mv would be own for those of us on water

edit: kept getting black screens so i had to change bios
Edited by e6800xe - 10/28/15 at 1:40am
post #662 of 1872
My 290X seem to benefit very little from the modded bioses.

http://www.3dmark.com/compare/fs/6324704/fs/5607835/fs/5618528/fs/5618504

Unlocked 290Tri-X on 290X Bios vs my 290 on modded Hynix.

Must be something holding my card back aside from memory timings and stuff.
post #663 of 1872
ok so I finished my ROM for 1100MHz/1500MHz.
GPU1- 1212v set in the dpm7
GPU2- 1250v set in the dpm7

Real max voltage is:
GPU1- 1.195v
GPU2- 1.234v

Would be nice to see how much volts ur 290X/390X needs for 1100/1500MHz clocks smile.gif
post #664 of 1872
I tried both Hynix roms on my 290X Tri-X and they they could run firestrike fine but blackscreen when trying to playback video fullscreen on youtube. I'm a little confused because the reference voltage table is the same as the one on the stock rom. One thing I noticed different its that the evv at dpm7 for stock is 1.250 but I think it was reading something like 1.23 for the moded. I would like to change that and give it a shot but I don't know where that is.
post #665 of 1872
Quote:
Originally Posted by Ironsight View Post

I tried both Hynix roms on my 290X Tri-X and they they could run firestrike fine but blackscreen when trying to playback video fullscreen on youtube. I'm a little confused because the reference voltage table is the same as the one on the stock rom. One thing I noticed different its that the evv at dpm7 for stock is 1.250 but I think it was reading something like 1.23 for the moded. I would like to change that and give it a shot but I don't know where that is.

You might need to set Voltages on Hawaii Bios reader for DPM 0 or VCE.
post #666 of 1872
Quote:
Originally Posted by mus1mus View Post

You might need to set Voltages on Hawaii Bios reader for DPM 0 or VCE.

That's the thing the DPM values are already identical stock vs modded.

So I assume that the evv readout is specific to the card associated with the bios and doesn't change depending on the voltage tables. I noticed that the Hynix stock and modded have different voltage tables but same evv at DPM 7.
post #667 of 1872
The voltage value for DPM 7 is card dependent. Not the BIOS' afaik.

You can manually override that with Hawaii Bios Reader.

Also, DPM 7 is not your woes. It's the lower states that causes Youtube Videos to Black Screen.
post #668 of 1872
Quote:
Originally Posted by Ironsight View Post

That's the thing the DPM values are already identical stock vs modded.

So I assume that the evv readout is specific to the card associated with the bios and doesn't change depending on the voltage tables. I noticed that the Hynix stock and modded have different voltage tables but same evv at DPM 7.

Post a screenie of HawaiiReader Powerplay tab of bios your using.
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post #669 of 1872
Quote:
Originally Posted by gupsterg View Post

Post a screenie of HawaiiReader Powerplay tab of bios your using.



Left side is the stock 290x Tri-X OC bios, right is the 290X_HYNIX_STOCK_V1.7 I tried to use.
post #670 of 1872
When your stock 290 tri-x bios is flashed to card does MSI AB show a GPU core voltage offset, even though you didn't set it?

Best way to test this:-

i) first delete all files starting with VEN in installation folder \MSI Afterburner\Profiles, (this will force MSI AB to detect cards bios defaults on next run).

ii) flash your stock bios and power down PC fully

iii) switch PC on, run MSI AB, when asked reboot to detect card settings say YES

Why I do above is when testing varying GPU core voltage offsets in a ROM (this is different from DPM voltage) I'd get varying results for default shown in MSI AB, as it can't tell the difference between a different version of ROM unless Vendor/Device ID differs in ROM. Therefore it will go ahead and apply defaults of what it noted before, some things it does pick up and update when ROM changes and redetection isn't done.

When you state this "evv at dpm7 for stock is 1.250" how did you get the information? The Stilts app or other method?
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