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post #891 of 3304
i don't know about Hawaii, but Polaris is capable of at least the same power draw biggrin.gif, and
Quote:
it spits out heat

if u just want to find the highest oc, set a voltage in WattTool, like 1300 mV, then reboot and use Wattman to figure out the highest stable clock rate.
Edited by hellm - 10/25/16 at 11:29am
post #892 of 3304
Quote:
Originally Posted by hellm View Post

i don't know about Hawaii, but Polaris is capable of at least the same power draw biggrin.gif, and
if u just want to find the highest oc, set a voltage in WattTool, like 1300 mV, then reboot and use Wattman to figure out the highest stable clock rate.

Well Polaris isn't no Hawaii haha. I could pull nearly 500 watts with my R9-290 when fully overclocked and bios modded.

I've yet to go over 220 watts with P10 yet. Two different beasts in terms of heat production, and overclock tools. I am sure support will mature for Polaris much like it did with Hawaii.

I mean all I had to do with Hawaii was edit the bios, and flash it on, and presto my clocks were set to 1300mhz core /1625mhz memory with +150mv on the gpu core from stock which was 1.1 volts I believe. I set powertune to 50% and never had any throttling issues. I used Sapphire Trix for testing and it worked flawlessly.

I think it took me all of about 3 hours to figure out its max oc, and program it into bios, and then its been running for 3 years since. With P10, I've used wattman, Asus gpu tweek, msi after burner, watt tool, and seems like they all have their caveats and don't all work just flawlessly.

Gonna have to give it more time than I expected to get better publishable results for my website. If i cannot figure it out then this waterblock isn't going to get a very favorable review, since it only added about 25mhz addional overclock over the stock cooler using just wattman. Making an sort of value proposition for the water block completely toast with the only good things being it looks cool and runs silent.
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post #893 of 3304
it runs silent (depends on your water cooling..), there is no awfully hot brick in your case, and there is less power draw due to the lower temps.

Polaris just isn't good to overclock. At 1428MHz GPU and 2200MHz Vram i have only 5% to 7.5% more performance over 1328/2100MHz whereas the power draw for the GPU is increased by 50%. With more than +100mV it's just getting silly, for every 10MHz more and more Vcore is needed. And the performance gain is very, very low.

With air cooling i couldn't run more than 1430MHz. I did manage to finish a firestrike benchmark with 1500MHz at 1.36V with water cooling, but it was just good for a benchmark.

So, it's a good idea to get a silent and cool 480. i think the only way, too. For more graphics performance, a 1070 is the better choice.
post #894 of 3304
I have the msi rx 480 gaming 8 gb,and iwant to flash xfx rx 480 gtr 8 gb bios,is it possible?i gave it a try,with ati flash but I take a message subsystem ID mismatch,what can I do?
post #895 of 3304
Quote:
Originally Posted by bill1971 View Post

I have the msi rx 480 gaming 8 gb,and iwant to flash xfx rx 480 gtr 8 gb bios,is it possible?i gave it a try,with ati flash but I take a message subsystem ID mismatch,what can I do?
Why in the nine hells would you do that? Are you trying to brick your card on purpose?
Find your cards limits with Afterburner/WattTool/WattMan, extract your cards BIOS, modify it as needed and flash it back.
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post #896 of 3304
What must do to do this?
post #897 of 3304
Im having an issue here after editing my bios. I edited my bios to 1.06mv at 1266 mhz stable. But after i have flashed it. With wattman default settings. Gpuz shows 1.1v being pulled by gpu. When i turn the voltage dials to manual. I see 1.06 v and the gpu then runs at max 1.06 v. What js this issue. Its a wattman feature to automatically increase voltage value set in bios?
post #898 of 3304
Quote:
Originally Posted by afaque View Post

Im having an issue here after editing my bios. I edited my bios to 1.06mv at 1266 mhz stable. But after i have flashed it. With wattman default settings. Gpuz shows 1.1v being pulled by gpu. When i turn the voltage dials to manual. I see 1.06 v and the gpu then runs at max 1.06 v. What js this issue. Its a wattman feature to automatically increase voltage value set in bios?

Did you ddu/ reinstall drivers after flashing?
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post #899 of 3304
Quote:
Originally Posted by Echoa View Post

Did you ddu/ reinstall drivers after flashing?
No i didnt reinstall drivers after flashing.
post #900 of 3304
Quote:
Originally Posted by gupsterg View Post

Sweet biggrin.gif , look forward to good news on Mac OS wink.gif .

I've had the time to thoroughly your BIOS in both Windows and Mac OSX. Sadly the BIOS changes did not make much of a difference. The GPU still freezes every few seconds and eventually the applications will crash. Tried it in Valley benchmark and some games.

Under Windows it's still rock solid and dependable, no negative changes in that regard.

I wonder how I would be able to diagnose the problem further. Maybe it's the BIOS not being flashed correctly? Maybe the GPU is still using more power resources under Mac or using it differently? Maybe it's not even power issues at all but KEXT driver instability problems (though I've seen others that had success with the RX480 under Mac OS). Any suggestions as to how to tackle to problem? Anyone?
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