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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 213

post #2121 of 3402
it's not actually going to be running at 1450mhz on 950mv... it'll scale clock to voltage or disregard the clock state all together since voltage is way off haha like what? 0.9v at nearly 1500mhz? haha

Need high tdp to auto-yield the voltage to pull the high clocks... you'll notice the voltage go up when simply increase tdp limit. On 65288 i saw 1.35-1.45v haha
post #2122 of 3402
Anyone know about this error?

post #2123 of 3402
Well it looks you really need to replace the thermal material on the RX 480 even the Visiontek...

Stock clocks on DeLimited Power Limit 999 at 1266mhz core 2110mhz memory

Core is 65C : Core VRM 80C : 80% fan... well looks like it's manditory to keep it running quieter as well... and way faster...

I had 75C limits set but was hitting 80C on 80W VRM Input

Replacing VRM pad with something good is 30-40C cooler and able to run up to 1,438Mhz...

Stock I saw 1400Mhz but would throttle shortly after so yeah whatever just a fyi

I might compare straight up stock bios on modded visiontek thermals & stock card on modded bracket stock bios... It seems way faster modded up with good material on vrm and ram etc
Edited by chris89 - 4/17/17 at 8:19pm
post #2124 of 3402
Quote:
Originally Posted by Xcat2008 View Post

@ekoaja I have applyed your settings from your bios on Polaris editor and change on my bios.. Booted for the first time but completly shutdown doing Firestrike Benchmark lol

Dunny what i'm doing wrong, or if is only because i got one Reference card....

I'm even more surprised how can your card boot at 1480Mhz with 950mv... And for 300Mhz clock only 500mv? And i got 80.6% Asic on my card...

I'm doing something wrong xD

I got 1400Mhz 1.160v Stable.. At least doing benchmarks and playing it's ok.


950 is only for VID, i added hex parameter for offset at 32 as compensation for 1480. Voltage is 1,2 volt in total. 950mv VID helped a lot for overclocking my VRAM, since VID and Vram voltage are being one.

You can check max voltage in hwmonitor or gpuz. With my bios, it will read at 1,2v as maximum.
Edited by ekoaja - 4/17/17 at 10:09pm
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post #2125 of 3402
Quote:
Originally Posted by ekoaja View Post

950 is only for VID, i added hex parameter for offset at 32 as compensation for 1480. Voltage is 1,2 volt in total. 950mv VID helped a lot for overclocking my VRAM, since VID and Vram voltage are being one.

You can check max voltage in hwmonitor or gpuz. With my bios, it will read at 1,2v as maximum.


Can you please explain further the purpose of setting 950mv for the VID in BIOS and how does helps you to overclock your memory ? As i have the same problems- when i increase both of the core/memory speed, the card is starting to get unstable and sometimes EDC memory errors occurs.
Probably by setting the VID to 950mv you are providing more power to the memory voltage controller ?

Isn`t it correct to increase only the memory voltage rather than setting 950mv VID ?
post #2126 of 3402
@chris89
Quote:
Originally Posted by chris89 View Post

it's not actually going to be running at 1450mhz on 950mv... it'll scale clock to voltage or disregard the clock state all together since voltage is way off haha like what? 0.9v at nearly 1500mhz? haha

Need high tdp to auto-yield the voltage to pull the high clocks... you'll notice the voltage go up when simply increase tdp limit. On 65288 i saw 1.35-1.45v haha

@chris89 If i set 1.160V on the last State like he have done for the 950mv my voltage will not rise more than 1.160v because that is what i have set on the bios....

If you let the default's on the last state 65288 the max is 1150v...

Use HWINFO64 to check the voltages, GPU-Z sometimes can be buggy... I got already 1.5V with that program to check voltages.... And 88888999W of power lol

Of Course 950mv is kinda no sense at nearly 1500Mhz lol The more i look into this, the less i know xD

I will just wait for Vega, quit already on my RX 480 lol
Quote:
Originally Posted by ekoaja View Post

950 is only for VID, i added hex parameter for offset at 32 as compensation for 1480. Voltage is 1,2 volt in total. 950mv VID helped a lot for overclocking my VRAM, since VID and Vram voltage are being one.

You can check max voltage in hwmonitor or gpuz. With my bios, it will read at 1,2v as maximum.

I have even set the last state as 1.3v and 1.33v and i cannot run at 1500Mhz xDAnd i do not know how to do that thing of Hex... So i will stop here.... I can only manage to get 1400Mhz / 2100 with 1060v in the last state.

smile.gif
post #2127 of 3402
Yeah I'd like to know where they got the info of finding the offset hex location for voltage in the bios? If they are altering offset, surely increasing vddci which is ideal as that's the cause of issues above a certain clock...

I also replaced the vrm pad on my new refurb visiontek 8gb rx 480 and receive not much better or basically the same thermals... Also receiving memory errors at 2110mhz on factory memory pads... though upgraded memory pads no errors at 2188mhz or 2110mhz and minimal errors above 2200mhz. So it's clear the modules prefer to stay coolest for error free running.

I hope they build a beefier polaris 480 heatsink assembly so the vrm/ memory heat is allowed to transfer to the main core heatsink like hawaii grenada and probably fury etc.

The heatsinks for memory/ vrm are seperate of the core... core runs cool mid 60C, while memory & vrm high 80C or more depending on fan speed max temps... I'll just need to have custom copper vrm plate made and memory plates made dipped in liquid boron nitride and cured at temperature... that way 2500mhz memory minimal errors 320GB/s...

For the Core & Core VRM.. need to send off heatsink assembly including core heatsink and have them plated copper then merge the core heatsink to the VRM/ memory heatsink assembly like Hawaii Grenada... too keep VRM mid 60C same as core and ram mid 60C for max performance... Plating is like 20 dollars so no biggie
post #2128 of 3402
You never disappoint. There's just something special about the way you make everything seem more complicated than it is, and pull numbers out of thin air that puts a smile on my face. Godspeed.
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post #2129 of 3402
Dunno if i'm doing something wrong... i'm only changing in the Polaris Bios Editor the numbers.. For Example i set 1400Mhz for the last state and then i will try to find the voltage for that clock.. Like we do in the CPU's... If was problem of the TDP, the card should run in the same, but will throttle the clock right? Atleast is what i'm doing, find the clock and voltage, and then if for some reason the GPU clock throttle while benchmarking i will rise the TDP and that fix the problem, the gpu clock will run now stable and at max.

Above 1400Mhz the card got instable... I can run 1420Mhz, but more soon or latter got artifacts, or just green dot's in the screen...

I have applyed one aftermarket cooler and change my thermal pads, so temperature is not an inssue... At 1400Mhz 1.160v 2100Mhz Mems, 60 Degrees max for the Chip, and 72 max for the Vrm..

And my temps are high because of the Water Cooling, because before i had one 120MM in the upper of the case and max VRM was 60 Degress, purchased this one 140mm but forgot my case is small xD Big mistake lol But still good temps.

Cooler Master Thermal Pads on Vrm's and got on the Chip CooLboratory Liquid Ultra...

This is my Card..







post #2130 of 3402
Polaris Bios Editor and RX 580...the first bios just showed up on techpowerup and well the memory mhz and timing straps do not seem to be reading correctly.

Tried them in both PBE 1.4.0 and 1.4.1 just to see. Not sure on the read outs...possible bios dump corruption maybe or a big change in the bois from 480 to 580?
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