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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 88

post #871 of 3466
Anyone have a good msi gaming X bios hex edited? Would be VERY grateful.
post #872 of 3466
Quote:
Originally Posted by chefgregg View Post

Hello, i have red devil 470 4GB, 73.6 ASIC, on 1100mV stable 1270MHz, PL+15, GPU and VRM <70C@~2000RPM, but very hard going higher clocks, like 1175mV @1290+. It is like a normal for that ASIC? Should i tried mod BIOS for better timings\clocks (Hynix memory)? tnx for advice


timings are memory overclocking and have nothing to do with your GPU CORE overclocking .

i have a 81.4% ASIC rx 470 red devil at 1270mhz lowest i could go before diablo 3 blackscreens is 1036 mV for non overclock undervolting . for anything over 1300mhz overclocked i have to have over 1090mV i believe. if you have not already done so maybe using a better thermal paste on the gpu core may help bring your overclock a little higher.

now if you are also looking for MEMORY overclocking i would request a loose timing bios for the hynix memory as mine doesn't like anything other then stock timing for overclocking(e.g 1625 or 1500 timings in 1750, 2000)
!!!!copy my setting at your own risk!!!!
raw (radeonmod tweaked) drivers current :16.9.2 /planned upgrade 16.10.2
current voltage i'm running without errors p1 466mhz 808mV, p2 790mhz 814mV, p3 1073mhz 915mV, p4 1131mhz 965mV, p5 1186mhz 1021mV, p6 1231mhz 1025mV, p7 1270mhz 1036mV
memory voltage(not chip voltage) p1 1750mhz(1500strap) 800mV
!!!!!!WARNING driver/browser file fragmentation will cause web video desync/freezing DO NOT RUN p1-3 low mV!!!

(planned tests: eyefinity 3 after christmas then eyefinity 6 several months later as funds and parts allow)
post #873 of 3466
@FricoRico

No worries smile.gif, as you have only single bios chip card I wanted to double check before releasing that all the checks I can do are done smile.gif . My buddy has the ROM and should report back soon. I also did some custom ROMs for a RX 470 for another member, so I should have 2 differing cards/motherboard results to know if UEFI/GOP is good to go.

There is a "Digital Signature" in Legacy section, AFAIK a hash of the hashes of data/command tables.

i) Early WIN OS drivers ref it to know the ROM has not been modified from it's factory setup, later drivers will usually stop ref'ing it (N/A to Linux driver). Been like this since HD 7xxx series, as this "Digital Signature" in ROM was discussed for stopping bios mod on that as well early on.

ii) Then this "Digital Signature" is forming part of "Secure boot", ref page 20 of this PDF. AMD ROM is "Hybrid" (ie Legacy section + UEFI/GOP module), I think option 3 is used in context of discussion. Note the PDF is 2011 and HD 7xxx series launched around then.

So what happens is when mobo is in "pure UEFI mode" (CSM=Off) the UEFI/GOP module in VBIOS is authenticating "Legacy Section", as we have modified "Legacy Section" and not updated the "Digital Signature" we will get post issue.

So Lordkag modified the UEFI/GOP module in VBIOS so it's not authenticating "Legacy Section" (my understanding), so now a modified ROM will work with mobo in "pure UEFI mode" (CSM=Off), but as the UEFI/GOP module in VBIOS has been modified and it's "Digital Signature" has not been updated to reflect changes we can't use "Secure boot".

Legacy Section & UEFI/GOP have their own individual "Digital Signature". The "Legacy Section" does not check it self for modification, the UEFI/GOP module in VBIOS does. The UEFI/GOP module in VBIOS does not check it self for modification the motherboard UEFI does (only if "Secure Boot" is enabled).

This is my understanding from reading things and experience with ROM mod, so maybe subject to errors in explanation redface.gif .
Edited by gupsterg - 10/22/16 at 3:19am
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post #874 of 3466
Quote:
Originally Posted by reapert View Post

timings are memory overclocking and have nothing to do with your GPU CORE overclocking .
I know that, tnx. Just looking for someone who already tried overclock Hynix memory on red devil 470 4GB and have improved results. About GPU overclock, just dunno it is worth to raise TDP over 150 and temps over 70-80 for like 50-60 MHz.
Changing thermal interface help u a lot? <70C@~2000RPM on my GPU in heavy loaded scene Witcher3 looks not bad for me.
Edited by chefgregg - 10/22/16 at 6:56am
post #875 of 3466
Quote:
Originally Posted by chefgregg View Post

I know that, tnx. Just looking for someone who already tried overclock Hynix memory on red devil 470 4GB and have improved results. About GPU overclock, just dunno it is worth to raise TDP over 150 and temps over 70-80 for like 50-60 MHz.
Changing thermal interface help u a lot? <70C@~2000RPM on my GPU in heavy loaded scene Witcher3 looks not bad for me.

i have not yet felt the need for overclocking full time . i am thinking about using a different thermal paste, just to see if it makes any difference in the fan turning on less often . currently fan seems to only kick on once every hour or so at internet browsing levels (1 screen) and 10-20 minutes (2 screens) in a room thats around 77F-82F . gaming seems to be harder for me to gauge fan seems to kick on every 10-30 minutes .

post #876 of 3466
@FricoRico

I have confirmed the modded UEFI/GOP is working on RX 470/480, thanks to my online buddies smile.gif , 2 differing configurations of rigs testing passed biggrin.gif .

So for XFX Radeon RX480 XXX OC Backplate (RX-480M8BFA6) here is PCI-E power fix as per AMD drivers but in ROM biggrin.gif .

You can use CSM = On or Off , Fast Boot = On or Off , but Secure Boot must be Off in motherboard UEFI.

In Fiji bios mod OP is section AtiFlash which has info on flashing.

RX-480M8BFA6.zip 1442k .zip file

The value for the VRM balancing is D as per AMD drivers, it can be F if you want it. There is minute information in regard to this value in this thread.
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post #877 of 3466
Quote:
Originally Posted by gupsterg View Post

@FricoRico

I have confirmed the modded UEFI/GOP is working on RX 470/480, thanks to my online buddies smile.gif , 2 differing configurations of rigs testing passed biggrin.gif .

So for XFX Radeon RX480 XXX OC Backplate (RX-480M8BFA6) here is PCI-E power fix as per AMD drivers but in ROM biggrin.gif .

You can use CSM = On or Off , Fast Boot = On or Off , but Secure Boot must be Off in motherboard UEFI.

In Fiji bios mod OP is section AtiFlash which has info on flashing.

RX-480M8BFA6.zip 1442k .zip file

The value for the VRM balancing is D as per AMD drivers, it can be F if you want it. There is minute information in regard to this value in this thread.

Thanks for the BIOS! I have successfully patched the BIOS and it still works in Windows. I haven't had the time to thoroughly test it in Mac OS yet as that requires some modifications to Mac OS itself. I will keep you posted on the results :-)
post #878 of 3466
Sweet biggrin.gif , look forward to good news on Mac OS wink.gif .
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post #879 of 3466
Quote:
Originally Posted by Echoa View Post

You can't you have to hard mod memory voltage. We do not have access to it. If you're willing to hard mod I can help you look into doing it for your card

Nahh, not going to hardmod. Going in another direction with team green. A shame as the RX480 has potential, but I have no idea why AMD would neuter it rolleyes.gif

Thanks anyways.
post #880 of 3466
Quote:
Originally Posted by Nebulous View Post

Nahh, not going to hardmod. Going in another direction with team green. A shame as the RX480 has potential, but I have no idea why AMD would neuter it rolleyes.gif

Thanks anyways.

You had the red devil that wasn't AMD that did, you had literally the worst version of the card lol
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