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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 7

post #61 of 1863
Quote:
Originally Posted by Insan1tyOne View Post

Yes I know how to flash-back my BIOS after getting black screens. I have had to do it with every revision of the MEM-MOD bios that I have created. None of them seem to work on my card which is a serious bummer as I would really like to take advantage of the tighter timings on my card. But oh well I guess, beggars can't be choosers. rolleyes.gif

Apologies, wasn't suggesting you could edit Bioses yet couldn't figure out how to flash them biggrin.gif

Slightly better link regarding what I was talking about:

http://www.overclock.net/t/1443242/the-r9-290-290x-unlock-thread/2700_60#post_21729625
post #62 of 1863
Thread Starter 
Quote:
Originally Posted by Ized View Post

Apologies, wasn't suggesting you could edit Bioses yet couldn't figure out how to flash them biggrin.gif

Slightly better link regarding what I was talking about:

http://www.overclock.net/t/1443242/the-r9-290-290x-unlock-thread/2700_60#post_21729625

Ah I see! But unfortunately I do not think mismatched ID's is my issue. I have flashed many different manufacturer and R9 290 / R9 290X / R9 390X and mostly never had a "black-screen" on boot issue.

Only three BIOS files have given me that issue:

1.) MSI R9 290X Gaming 8GB
2.) MSI R9 290 4GB FAN
3.) MEM MOD R9 390X

Thanks!

-Insan1tyOne smile.gif
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post #63 of 1863
Quote:
Originally Posted by Insan1tyOne View Post

Wow that is a nice score indeed, and NICE clocks for an R9 290! If I may, what cooling and card model are you using to achieve those clocks? 1700 MHz on memory is insane! biggrin.gif
I have a xfx 290 dd on air, soon on water. Here is a updated result at 1185/1750: http://www.3dmark.com/fs/5450136
post #64 of 1863
Thread Starter 
Quote:
Originally Posted by fyzzz View Post

I have a xfx 290 dd on air, soon on water. Here is a updated result at 1185/1750: http://www.3dmark.com/fs/5450136

Holy cow! 1185 / 1750 MHz on air on an R9 290? You must have the golden silicon. tongue.gif
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post #65 of 1863
Quote:
Originally Posted by Insan1tyOne View Post

Holy cow! 1185 / 1750 MHz on air on an R9 290? You must have the golden silicon. tongue.gif

1750mhz is crazy for a 290. 1175mhz core isn't too crazy though, I have 1175mhz core at 75mv on my 290 Vapor X... And 1650mhz memory.
post #66 of 1863
Thread Starter 
Quote:
Originally Posted by Gumbi View Post

1750mhz is crazy for a 290. 1175mhz core isn't too crazy though, I have 1175mhz core at 75mv on my 290 Vapor X... And 1650mhz memory.

True...

Also, everyone be sure to keep an eye out for the next revision of these BIOS files. I have heard that some people are having issues with their cards not being able to operate properly at the low idle voltage of 900(mV) so I will be increasing that as well as doing some tweaks to the Voltage Table as well for increased stability. wink.gif
Edited by Insan1tyOne - 7/20/15 at 7:25am
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post #67 of 1863
1185 not too high for 290? I agree, but here i have a run on extreme with tess tweak at 1260/1715: http://www.3dmark.com/fs/5230619. I just can't get that high on the core with the modified 390 bios, but that doesn't matter since the score is so high anyways. Sure the 1260 run was with heavy artifacts, but it got through ON AIR.
post #68 of 1863
Quote:
Originally Posted by Insan1tyOne View Post

Yes I know how to flash-back my BIOS after getting black screens. I have had to do it with every revision of the MEM-MOD bios that I have created. None of them seem to work on my card which is a serious bummer as I would really like to take advantage of the tighter timings on my card. But oh well I guess, beggars can't be choosers. rolleyes.gif
Do you have perhaps Elpida VRAM? Because you wrote:
Quote:
As far as I know the BIOS supports Hynix and Elpida memory but NOT Samsung.
This BIOS supports only Hynix H5GC4H24AJR GDDR5, and I modded Hynix 290X memory timings.
For Elpida, you need of course Elpida 290X memory timings.
post #69 of 1863
Thread Starter 
Quote:
Originally Posted by fyzzz View Post

1185 not too high for 290? I agree, but here i have a run on extreme with tess tweak at 1260/1715: http://www.3dmark.com/fs/5230619. I just can't get that high on the core with the modified 390 bios, but that doesn't matter since the score is so high anyways. Sure the 1260 run was with heavy artifacts, but it got through ON AIR.

1260 / 1715 is so good for an R9 290. If only you could have those clocks stable 24/7. That would be a pretty big performance increase!
Quote:
Originally Posted by Lard View Post

Do you have perhaps Elpida VRAM? Because you wrote:
This BIOS supports only Hynix H5GC4H24AJR GDDR5, and I modded Hynix 290X memory timings.
For Elpida, you need of course Elpida 290X memory timings.

Lard, thanks for letting me know! I did not know that the timings you modded in / this R9 390X BIOS specifically only supported HYNIX memory. I will update the OP to reflect that. I wonder if we could get an Elpida memory BIOS created though? I'm not sure if any R9 390X cards have been made with Elpida?
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post #70 of 1863
Quote:
Originally Posted by Insan1tyOne View Post

*Edit: I renamed both files to .rom and was able to open them with HawaiiReader. Everything looks great in this BIOS except it has a TDC Limit of 216A. Reference R9 290 PCBs generally have a TDC Limit of 200A in their BIOS. Are you sure this BIOS was for a reference PCB @gupsterg? If so, how much can you increase the TDC Limit on a reference PCB while still being "safe"?

Sorry for delayed response ...

Link:- 4K res front PCB shot of Sapphire Tri X 290 OC

Link:- Rear PCB shot

Link:- PCB shot of Sapphire Tri X 290X OC

Note the silk screen and PCB P/N , other than the inductors being different manufacturer (IIRC rated same) the mosfets/drivers are the same.

Link:- Ref PCB review with good info on VRM components

Link:- and Sapphire Tri X PCB
Quote:
Originally Posted by The Stilt View Post

Note that the VRM current capability is completely temperature dependant, so don´t expect it to survive at high temperatures.
It can provide 360A at 25°C, but it can still burn with <150A load at 110°C.

Now if we take this information, IMO Sapphire up TDC due to better cooling. 8% is the increase over stock, I would think the Tri X cooler would allow such an increase vs stock cooler VRM cooling.
Quote:
Originally Posted by Insan1tyOne View Post

Lard, thanks for letting me know! I did not know that the timings you modded in / this R9 390X BIOS specifically only supported HYNIX memory. I will update the OP to reflect that. I wonder if we could get an Elpida memory BIOS created though? I'm not sure if any R9 390X cards have been made with Elpida?

Do you have Elpida? I think the Sapphire Tri-X 290 rom I posted only supports Hynix.

*** edit ***

Edited post 16 to include info on supported RAM in the Sapphire Tri X 290 ROM I posted.
Edited by gupsterg - 7/20/15 at 9:43am
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