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Polaris Bios Editing ( RX5xx / RX4xx ) - Page 121

post #1201 of 3403
Quote:
Originally Posted by chris89 View Post

@Loladinas If I ever get my hands on an 8GB RX 480, i'll be on here continuous. It will be done. wink.gif

I'm not downing on Polaris 10 at all, I love all of AMD. I just would be thoroughly blown out of my socks if the RX 480 straight smokes my 390X. biggrin.gif
You could also check out the other Polaris thread (owners club). I think it's better suited for what you need.
Last night I got my Sapphire card to 1500MHz, temperatures are not an issue, but I don't know what voltages are safe so I'm kind of reluctant to push forward. I want this card to last until next round of AMD and Nvidia offerings drops.
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post #1202 of 3403
Thanks! I was thinking it would have something to do with XFX unusual (?) 256kbit BIOS not being properly supported by the editor, but I see this wasn't it.

I will most definitly try this workaround when I get home this evening!

Are there any "guides"/"recommendations" to vram-timings btw? I know this is highly dependant on the card, but unless it is in the bottom 1% chips I would guess there are some tweaks that are more or less guaranteed to work"?
I mean, im happy to just unlock the Voltage and Power limits, but I can't possibly resist some extra tweaking!


Edit: It's the 8GB version. I could upload the BIOS, but I guess SSBrain pretty much gave the solution?

Edit 2: Does this work with Crimson 17.1.1 ( Driver Version 16.50.2611) or do I need some earlier version?
Edited by nativenigerians - 1/23/17 at 3:08am
post #1203 of 3403
Quote:
Originally Posted by Loladinas View Post

You could also check out the other Polaris thread (owners club). I think it's better suited for what you need.
Last night I got my Sapphire card to 1500MHz, temperatures are not an issue, but I don't know what voltages are safe so I'm kind of reluctant to push forward. I want this card to last until next round of AMD and Nvidia offerings drops.

I'm running mine no problem at 1510 at 1.256v, 1.3v should be plenty safe for this GPU. Wouldn't use over 1.3 for long terms though. The only time I go over, and it's around 1.38-1.41 is when I go for high score benchmarks.
post #1204 of 3403
Quote:
Originally Posted by jeb101 View Post

I'm running mine no problem at 1510 at 1.256v, 1.3v should be plenty safe for this GPU. Wouldn't use over 1.3 for long terms though. The only time I go over, and it's around 1.38-1.41 is when I go for high score benchmarks.
Any source on that 1.3V? If that were the case I'd have 0.075V headroom.
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post #1205 of 3403
I wonder if the rx 480 is faster than this? (Only ran it once) It says it's 4gb but it's the 8gb 390x. I'm sure it would be on a high clocked PCIe 3.0 system... I feel I'm serverly limited by the Intel Chipset Northbridge. As my CPU(s) have dual 6.4GT/s QPI Links (25.6GT/s) yet PCIe bus is only allowing 5GT/s through to the GPU... Theoretically speaking, if it were on a PCIe 3.0 bus the average FPS should be 114.4fps...from 71.5fps.

Again nano gains at 5GT/s (1st and only pass as I don't care enough to run over and over since we all know doing that consistently raises scores)... also noticing a consistent Unigine Frame Rate Error of about 10 to sometimes 50fps from RTSS... Could be a coincidence or not... Someone ought to make an hdmi d3d frame rate tracker with a start and end button for average fps... Just to point out clear "cheating" that goes unnoticed.

RTSS could easily be just lying it's rear end off and really it's struggling to pull 30fps yet all logical goes straight out the window, sounds about right? I'll try and reset HWInfo right before the test and post results.

Edited by chris89 - 1/23/17 at 7:19am
post #1206 of 3403
Quote:
Originally Posted by Loladinas View Post

Any source on that 1.3V? If that were the case I'd have 0.075V headroom.

It's mostly questions I asked on here, and the OC subreddit. Considering the stock Nitro 480x bios supports it, I would say you're safe. I personally don't run 1300mv often as the jump above 1510mhz is a big volt increase / power increase for nominal performance gains.

MSI Afterburner will give you a +96mv offset from the current Wattman configuration, so make sure to keep that in mind. So if you have wattman set at 1175 (it's max) and add an offset of +96, you're gonna be running just below 1.275. To achieve 1.3+ you're gonna need WattTool, either change the card's default offset, or by manually punching in the value. Although, I've had much better luck with WattTool's offset than manual voltage for whatever reason.
post #1207 of 3403
Okey, managed to flash my XFX 480RX RS properly now. (Thx for instructions.)

Unlocked that power limit and upped the volt and also changed the timings on the GDDR5 to the 1625 numbers.



Running at 1380 Mhz, I got a fairly "healthy" 14700 Graphics score in Firestrike running at stable settings. The "max" voltage of 1175V doesn't let me go any further without insability though.


But how do I unlock the GPU voltage? Couldn't see this option in the BIOS editor. I saw someone suggest using afterburner, but it only caused massive instability for me.
Got a feeling that nice and even 1.20V would be the sweetspot for 1400 Mhz. Probably not worth it in terms of temperature, but I might be able to reach those 15 000 firestrike score, just for the sake of it.
post #1208 of 3403
@nativenigerians

I think that all of the Polaris family is plagued by locked in software/ firmware on power limit and voltage limit... altering bios voltage won't do anything unless you click "Reset" in Trixx... first then it yields the higher power limit and voltage.. You have to do that everytime you boot but you can't actually clock the card higher in bios, limited by stock voltage ... clock to 1600mhz and throw 1300mv... the card will run 1600mhz at 1.1v or whatever and Blue Screen or never boot to windows because setting the voltage in the bios is completely ignored and your forced to Clock Her back to Slow Mode...

So gotta stick with stock bios and use TRIXX is about all you can do... on polaris at least... 390x can do whatever u want it to do.. polaris only does what has been programmed and allowed...
post #1209 of 3403
Quote:
Originally Posted by chris89 View Post

@nativenigerians

I think that all of the Polaris family is plagued by locked in software/ firmware on power limit and voltage limit... altering bios voltage won't do anything unless you click "Reset" in Trixx... first then it yields the higher power limit and voltage.. You have to do that everytime you boot but you can't actually clock the card higher in bios, limited by stock voltage ... clock to 1600mhz and throw 1300mv... the card will run 1600mhz at 1.1v or whatever and Blue Screen or never boot to windows because setting the voltage in the bios is completely ignored and your forced to Clock Her back to Slow Mode...

So gotta stick with stock bios and use TRIXX is about all you can do... on polaris at least... 390x can do whatever u want it to do.. polaris only does what has been programmed and allowed...

The 480 is my first AMD/ATI card in ~10 years, is this something likely to change as the card ages, or are we likely stuck with the 'training wheels' on permanently?
post #1210 of 3403
Quote:
Originally Posted by nativenigerians View Post

Okey, managed to flash my XFX 480RX RS properly now. (Thx for instructions.)

Unlocked that power limit and upped the volt and also changed the timings on the GDDR5 to the 1625 numbers.



Running at 1380 Mhz, I got a fairly "healthy" 14700 Graphics score in Firestrike running at stable settings. The "max" voltage of 1175V doesn't let me go any further without insability though.


But how do I unlock the GPU voltage? Couldn't see this option in the BIOS editor. I saw someone suggest using afterburner, but it only caused massive instability for me.
Got a feeling that nice and even 1.20V would be the sweetspot for 1400 Mhz. Probably not worth it in terms of temperature, but I might be able to reach those 15 000 firestrike score, just for the sake of it.
gupsterg showed how to edit Vmax in the VoltageObjectInfo table.
I did this mod on my reference RX480 BIOS, and it works with WattTool.
But you have to set a limit, otherwise the voltage can spike over 1.5V, even if you only apply like 1.2V!
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