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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 84

post #831 of 3355
Quote:
Originally Posted by Flickspeed View Post

Thanks for the resoponse, and what about the Nitro 470s memory chips on the 4GB vs 8GB version?

Same as the 4gb vs 8gb 480, the 8gb all use 8000mhz Samsung
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post #832 of 3355
Quote:
Originally Posted by kilogrm70 View Post

You can apply static voltages to the states because I have done it myself. There could be stability issues if you don't give 300MHz the required about of voltage, but give it a try and reply back.
Thank you, yesterday I tried to flash a slightly modified bios (static voltage on state 6 and 7) with atiflash and after 5 seconds i got blue screen... I have a backup of the original bios but I am not able to flash... Also from usb bootable dos says "adapter not found". 😞
Update: I have restored my original bios with atiwinflash. I botted pc with bios ok and than opened cmd as administrator, navigate to the folder where atiflash and stock rom are located, switch bios (phisically )to the corrupted and flashed stock one. Noe I have both bios fully working.
Edited by mdki1996 - 10/16/16 at 6:12am
post #833 of 3355
Quote:
Originally Posted by gupsterg View Post

No worries smile.gif , provide ROM, then I mod and give you instructions on flashing, etc wink.gif .

Forget reading anything, you will get the "package deal" FOC biggrin.gif .

I'm intrigued to aid you in this situation/platform wink.gif and look forward to results share smile.gif , it's something "new" vs the usual modding I've been partaking in wink.gif .

It took me a little bit longer than expected as I was unable to reach my computer yesterday. I extracted the bios with ATIFlash (works like charm that tool :-D). I will cross post my results with my original thread on the eGPU at TechInferno.

GD25Q41B.zip 111k .zip file
post #834 of 3355
No worries smile.gif .

The forum for the past few days seems to have an issue where attached files error when trying to download them (which is happening with your file), any chance of a link to ROM on external filesharing site?
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post #835 of 3355
Quote:
Originally Posted by gupsterg View Post

No worries smile.gif .

The forum for the past few days seems to have an issue where attached files error when trying to download them (which is happening with your file), any chance of a link to ROM on external filesharing site?

I've uploaded it to my own hosting. You can find it here: http://ricardoismy.name/GD25Q41B.zip

If you need anything else, let me know :-)
post #836 of 3355
I read that is better to set all static voltage and not only some, right? Are there any others advices to undervolt?
post #837 of 3355
Hey everyone. As everyone here is modding bioses according to their likings. I want to have a stock bios with just the voltage adjusted. My gpu was the 4gb xfx 480. Which i flashed bios of xfx 480 1288mhz 8gb. And the card works perfect. But as i have stock cooler. And when i undervolt to 1050mv and 1266mhz. I get the best results. So can anyone give me some help here in editing bios or even editing my bios for me. And i dun wanna get my card bricked whatsoever.
post #838 of 3355
Hi, does anyone know how to configure VRM in VBIOS of RX470/RX480 gpus ?
I need some help editing vbios in order to do some undervolting.
The problem is that modifying VBIOS VoltageObjectInfo undrer Polaris Bios Editor doesnt work in linux.
Linux driver ignores Voltage at each dpm and uses his own.
I need to do some undervolting under linux driver and for that i need to edit VRM but i dont know much about it.
Is anyone able to help me ? i Want to pay some $ for get undervolting working under linux.
One RX470 takes 150-160 watt while in windows with working undervolt it takes only 110watt (from wall measured with power meter CARD ONLY)
Anybody can help ? smile.gif
post #839 of 3355
Quote:
Originally Posted by FricoRico View Post

I've uploaded it to my own hosting. You can find it here: http://ricardoismy.name/GD25Q41B.zip

If you need anything else, let me know :-)

The ROM is done smile.gif .

From AMD UEFI/GOP v1.53.0.0.0 it become universal (see this post). In your factory ROM you have AMD UEFI/GOP v1.60.0.15.50, this version I have been using on my Fury X with the mod from Lordkag. As your card is not dual bios I just wanted to confirm with him it's "good to go" prior to releasing ROM to you.
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post #840 of 3355
So I tried to edit my bios. My goal was and is to undervolt. I tried to give 700mv at 300mhz and the vga is stable but I have to increase memory voltage to 960mv. With stock bios and personal Wattman settings my memory were always 200mhz but with 880mv. With Afterburner I see that 700mv are used only when memory is at 300mhz, otherwise, when memory is at 2000mhz, the voltage is the same as the memory voltage. How can I tweak my bios to obtain less power consumption without underclock core and memory?
Asic: 85,5
Bios stock: https://drive.google.com/file/d/0B0-QWAIDb8Twejlsa3NOVDR0QUE/view?usp=sharing
Stock Wattman settings: 2qjfxu9.jpg
Modified Wattman settings: 21lu0qt.png
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