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Modded R9 390X BIOS for R9 290/290X (Updated 02/16/2016) - Page 19

post #181 of 1862
Sure and thanks for your answer ;-)
post #182 of 1862
I have the Sapphire 290X Tri-X new version with Samsung GDDR5. I will try the bios to see if it works with my card.
post #183 of 1862
i got 200 points higher in firestrike with my 290x lightning flashed to 390x bios running same clocks
post #184 of 1862
Btw have there been changes in core idle voltage for 1.6? I know that my card is allergic to oced vram and low idle voltage. Maybe even stock memory clock and low voltage give me black screen?
post #185 of 1862
It suggest check results score in another benchmarks/games
my private comparsions - stilt`s bios vs bios 390x from this thread

390x - litle better score in most benchmark/games - like max 1% preformacne often less smile.gif but card consume 60wat more!!!
Same Clock and voltage - per to per
Dont know why??

In my opinion Stilts bios offer best preformance and stability
post #186 of 1862
Thread Starter 
Quote:
Originally Posted by Harry604 View Post

i got 200 points higher in firestrike with my 290x lightning flashed to 390x bios running same clocks

Awesome!
Quote:
Originally Posted by skyrrd View Post

Btw have there been changes in core idle voltage for 1.6? I know that my card is allergic to oced vram and low idle voltage. Maybe even stock memory clock and low voltage give me black screen?

The stock idle voltage for an R9 290 is 993(mV). My custom R9 390X BIOS files have their idle voltage set to 900(mV). Most cards do not have a problem with this, but you can easily increase the idle voltage of my custom BIOS files with HawaiiBiosReader.
Quote:
Originally Posted by polishoak View Post

It suggest check results score in another benchmarks/games
my private comparsions - stilt`s bios vs bios 390x from this thread

390x - litle better score in most benchmark/games - like max 1% preformacne often less smile.gif but card consume 60wat more!!!
Same Clock and voltage - per to per
Dont know why??

In my opinion Stilts bios offer best preformance and stability

I will agree that The Stilt's BIOS files are much more refined than mine, but mine are still a work in progress too. The R9 390X series of cards generally have more voltage applied in all areas than the R9 200 Series cards. This is how they achieve the higher core and memory clocks out of the box. If The Stilt's BIOS files work better for you then by all means use them as I am a fan of The Stilt's work too.

- Insan1tyOne smile.gif
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MiniNova
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post #187 of 1862
I just tried higher idle voltage (set to 988 like in my stock BIOS) but didnt work. Seems like the fix for black screen until Windows die break it for me ;-)
post #188 of 1862
This bios intresting, not only does card perform better it runs cooler. My temp dropped by like 20c on core and like 10c on vrm1, which to me seems crazy. I have also changed the voltages.
post #189 of 1862
Quote:
Originally Posted by fyzzz View Post

This bios intresting, not only does card perform better it runs cooler. My temp dropped by like 20c on core and like 10c on vrm1, which to me seems crazy. I have also changed the voltages.

I'm doing some tests right now, and seeing similar results. My cards are actually running cooler. I'm using the 390X MEM BIOS, on both of my cards (290s). 100% full load on Firestrike, looks like both cards are 10C less on the core, that's pretty substantial.

Going to run full battery of tests and post my conclusion here, hopefully later today.
post #190 of 1862
Guys wenn i use this modded bios i have some limit at gpu 1250mhz if i go higher pc restarts it self, and with my orig. bios i cango up 1300mhz and bench but this modded 1250mhz ar same or better than 1300mhz in 3DM . This is my results http://www.3dmark.com/compare/fs/3812224/fs/5523318
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