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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 183

post #1821 of 3313
Cool dude. Yeah it won't actually go to 1407mhz, since temperature limit at 78C. It will scale to the clock the card can do in that temperature threshold. It's hard to think about it that way but yeah.
post #1822 of 3313
In my case it crashes before i get the heat, lol. Spin down is same stupid issue.. what the point of acoustic limit ignored when its at 300 and 36C and slowly creeping down.

I did clean install of drivers, same crap... Probably a bug.
post #1823 of 3313
I sent you another bios but if it doesn't work ill make another later. Yeah need sensitivity 0 yet a couple other values fine tuned. I fixed it on mine, it spools up in time and spin down quite nicely now. Rather than hanging at 70% while at 30C for seems like 30 minutes haha
post #1824 of 3313
Please let me know how you got the spin down working, maybe send me your bios and I can compare settings... Thanks!

BTW, Which timings do you use on your mods? It seems like normal timings in this one you posted and sent me. Why normal timings instead of uber mix? I'm happy with 2050 mhz and 900mv on ubermix. Otherwise anytime UVD low clocks are used for example and memory goes to 2050mhz, the minimum voltage ends up being 1000mv, and uses some more watts than using 900mv.

Stupid design of power management, which you have discovered with the vrm's etc.
post #1825 of 3313
I would ask you once again, because I'm lost a little.. Is there another way to lower power consumption than voltage offset?
I would like to build a mining rig on linux (Simple OS) but I have some different card.. In some I can do voltage offset in hex, but some are another, and I am afraid I can not, because it is too hard for me..
More over when I am using offsets I have to calculate (pX-states value (because in my mining OS I can adjust voltage by power stage) - offset) and it makes more work because, besides making offset (myself or with someone's help I have to check p-states values in Windows or set it fixed with atiflash.. Sorry for my inability
I will be gratefull for any hints.
post #1826 of 3313
In Polaris bios editor you can set voltages and clocks. For example my top 2 65288 and 65287 are both 1.15v. You can type in a value instead, like 1100 for 1.1v. But first be sure that it is stable for that clock speed. Higher asic cards can run 1266 at 1.05v! Mine cannot, poor asic, I need 1.138v for that.

I myself edited bios to use my own voltages this way instead of the preset which is based on asic%

The watts and power tune % are for throttling which means if you exceed those watts, it will drop to a lower state, meaning less mhz and less voltage. Again, very handy but not so much for mining.

Also for mining, make sure you find out the best memory strap timings, latency helps mining a lot. There's many forums that discuss best practices for mining and you can use Polaris bios editor to make voltage and frequency changes easily!
Edited by robnitro - 4/6/17 at 5:27pm
post #1827 of 3313
I have a question about the new polaris cards.. I'll admit I'm being sort of lazy, and didn't want to read through the whole thread but just sort of ask a basic question.

Right now I have a rather exotic 290X card: Sapphire TRI-X OC 8GB R9 290X with the big cooler and 3 fans on it and 2x8pin pcie. I had the nice folks here on overclock.net give me a custom bios for it where we upped the voltage (a pretty good bit), and a custom overclock on it, and disabled both power and thermal throttling and sort of a "Balls to the wall" custom bios mod to it.

And, this sort of thing is why I went AMD.. because nvidia won't let us do this with their modern cards anymore. But AMD did. So.. I'm curious about the Polaris line. Is AMD still letting us be "loose and free" with bios mods and disabling throttling and setting voltage to any value we want? Or has AMD changed and gone to "clamping down" on us like nvidia and not letting us mod anything?

I was thinking of considering like upgrading to a RX 480 8GB card, putting a water block on it and trying to push it "to the edge" as far as it'll go.

What's the average overclocks on RX 480's on water with custom bios?
Edited by kithylin - 4/6/17 at 5:51pm
post #1828 of 3313
Quote:
Originally Posted by robnitro View Post

Chris, patcher works, but I used the full shebang patch, not sure if bios only does it too.

Does anyone know why the card takes forever to spin down? Let's say I run 3dmark, fans get to higher speeds no problem keeps gpu around 70C. Stop 3dmark, clock drops to idle, gpu temp to 50s, then 40s... But the fans take forever to slow down, at least a minute!

I tried acoustic level 900 mhz, 1100 mhz. Tried sensitivity stock, 65333 (thx chris works quick) and nothing changes this very slow slowdown behavior?

What is full shebang patch ?
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post #1829 of 3313
@kithylin

vigilink redirect? copy & paste

https://www.visiontek.com/refurbished/performance-graphics/radeon-rx-480-overclocked-8gb-gddr5-rear-blower-4m-3x-dp,-hdmi-402-detail.html

$169.99 these are great cards I bought several all capable of 1407mhz. No need to water cool, keep it simple. These are better cards than 290x/ 390x as you can throw this gpu in any system and run just like if not faster than 290x/ 390x plus hdmi 4k 60hz plus vsr up to 5k. The rx 480 is worth it.

Unlocked and all that? I mean sort of it's more detailed and nvidia cards allow the same thing, you could de-limit but the vrm may soar sky high... that's why we can control vrm and throttle according to temperature when delimited... I just had to do tons and tons of rigorious testing and experimentation to know the in's and out's of these gpu's.

If you wanna fine-tune the 290x, send me the bios and we can dial er' in a bit more efficient with plenty of big end horsepower. thumb.gif
Edited by chris89 - 4/6/17 at 9:02pm
post #1830 of 3313
Anyone can explain ? after 17.4.1 i cant even set vid over 1175v via wattool. No matter what number i set it stuck at 1175.
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