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Extract and Flash GTX 970 and 980 Firmware - Zoson's H2O and AIR Custom BIOS - Page 249

post #2481 of 6472
Quote:
Originally Posted by AlCapwn View Post

Hey guys

I don't know if it has already been posted in this thread, i did search after it but i could not find it.

I want to turn down my fan speed on my G1 gtx 970. The lowest in Standard bios is 1600rpm which is way to loud.

Is there a custom bios with this change only? or is there anyone who can tell how to change it my self.

there are 13 places i can change fan controls under Maxwell II bios 1.32. under fan control. But i don't know where to begin.


I just want to be able to set the fan speed WAY lower than the 1600rpm ( 34% )

AlCapwn.

BIOS editor 1.36 is latest AFAIK. The lowest value in BIOS is 1100 but people have lowered it to 900 and I think one or two to zero so it turns off completely, haven't seen them come back saying they've got issues or they modded it back to 900, but I personally haven't changed these as for me 1100 is low/quiet.
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post #2482 of 6472
Quote:
Originally Posted by eightcore View Post

The GPU voltage meter of my EVGA GTX 970 SC ACX2.0 never shows a higher voltage than 1212.5 mV, even I set 1312.5 mV through modding the BIOS. Can anyone confirm this?
Maybe the voltage of my card really doesn't exceed 1212.5 mV, because I don't get even one single turbo freq bin further with +100mv (through BIOS modification) compared to stock voltage.


It's weird anyway: My card has an ASIC quality of 74.4 and the stock turbo clock is 5 bins higher than specified on the manufacturer's website (1317 vs 1380 MHz). So I originally thought that it's a good card regarding it's overclocking capabilities. And now I don't even get 100 MHz more (beyond 1468 MHz I'm getting artefacts).

Sorry for reposting, but I still hope for an answer. :-)
post #2483 of 6472
Quote:
Originally Posted by eightcore View Post

Sorry for reposting, but I still hope for an answer. :-)

Silly question but are you increasing your voltage in afterburner after you flash the new modded bios?

All the BIOS does is unlock the capability to reach 1312V, but it won't go there if you don't set it to in afterburner.

In my BIOS I already set it up to 1262V without needing to use AB, so it boosts directly do clk74 @ 1262V.
post #2484 of 6472
juniordnz, thanks for your answer.
Quote:
All the BIOS does is unlock the capability to reach 1312V, but it won't go there if you don't set it to in afterburner.

In my BIOS I already set it up to 1262V without needing to use AB, so it boosts directly do clk74 @ 1262V.

Those two statements are pretty contradictory, aren't they? In my case, it's the latter. Bin 74 is getting applied clock-wise, but GPU-Z or any other tool just keep showing 1212.5 mV instead of the set voltage of 1312.5mV.

Increasing the voltage within any of these tools doesn't change anything.
At stock settings, the tools show 1200.0 mV, so there definitely is a change with the custom BIOS, but I still don't know if its a incorrect reading or if the card just doesn't support anything above 1212.5 mV.

However, I really would like to get the card stable at a OC delta of beyond 88 MHz.
Or at least I would like to know if all this fits together: 74.4 % ASIC quality, 1380 MHz stock boost clock (whereas most of the same cards seem to boost 2 or 3 bins lower), and only 88 MHz overclockability, even with 1312.5 mV.
Edited by eightcore - 1/12/15 at 2:32pm
post #2485 of 6472
I settled at 1535/7.6Ghz fully game stable using the Zoson air BIOS mod. My MSI 980 4G should hold me over until I purchase two 980 TI's and a 4K monitor with freesync/G-sync. thumb.gif
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post #2486 of 6472
Quote:
Originally Posted by eightcore View Post

juniordnz, thanks for your answer.
Those two statements are pretty contradictory, aren't they? In my case, it's the latter. Bin 74 is getting applied clock-wise, but GPU-Z or any other tool just keep showing 1212.5 mV. Increasing the voltage within any of these tools doesn't change anything.
At stock settings, the tools show 1200.0 mV, so there definitely is a change with the custom BIOS, but I still don't know if its a incorrect reading or if the card just doesn't support anything above 1212.5 mV.

I believe I made them sound contradictory, sorry for that (not a native English speaker). What I said is that these BIOS, in the way they are presented here by the OP, they unlock the capability to reach 1.312V (provided your card isn't capped), but they won't if after flashing them, you use an overclocking software like AB to tell them to (add X mV to reach 1312V). But, if you want, you can set the default voltage to 1.312V directly in your BIOS, then you wouldn't need the overclocking sftware anymore, because the card will reach 1.312V by itself (because the BIOS told it to).

Now about your problem. It isn't all bad news. If you're stable with clk74@1.212V thats good news, maybe you can go even further increasing voltage. Now, if you are setting your BIOS properly and the card won't get past 1.212V, your card is capped at that voltage.

I could take a look in your BIOS to see if I can spot anything causing this problem if you're willing to post it here.
post #2487 of 6472
Quote:
Originally Posted by juniordnz View Post

I believe I made them sound contradictory, sorry for that (not a native English speaker). What I said is that these BIOS, in the way they are presented here by the OP, they unlock the capability to reach 1.312V (provided your card isn't capped), but they won't if after flashing them, you use an overclocking software like AB to tell them to (add X mV to reach 1312V). But, if you want, you can set the default voltage to 1.312V directly in your BIOS, then you wouldn't need the overclocking sftware anymore, because the card will reach 1.312V by itself (because the BIOS told it to).

Now about your problem. It isn't all bad news. If you're stable with clk74@1.212V thats good news, maybe you can go even further increasing voltage. Now, if you are setting your BIOS properly and the card won't get past 1.212V, your card is capped at that voltage.

I could take a look in your BIOS to see if I can spot anything causing this problem if you're willing to post it here.

I don't use any of these BIOSes of page 1 since the one claimed to be for the ACX2.0 card is actually for the EVGA GTX 970 FTW. It doesn't work with my card (and I've read of other ACX2.0 owners who came to the same result).
Basically, getting to clk74 @ 1.212V does mean absolutely nothing, because you can define which frequency clk74 actually means. In my case, it's 1468 MHz @ 1.312V for testing purposes:




And here's the BIOS file although I think you already got enough information with the screenshots:
eightCLOCK.zip 136k .zip file
Edited by eightcore - 1/12/15 at 2:44pm
post #2488 of 6472
Everything in your bios tells that the card MUST be reaching 1.312V in order to get 1468.5mhz. It should be impossible for the card to be both running at 1.212V maximum AND reaching clk74.

At 1.212V it should not go further than clk69 (the last clock that has a minimum set voltage equal or lower than 1.212V).

The only thing I can think of is that the card is reaching 1.312V (because you're getting clk74) but the software isn't showing, which I think is unlikely to happen.


I'm as confused as you now.
post #2489 of 6472
Quote:
Originally Posted by juniordnz View Post

I'm as confused as you now.

Haha, that was not my intention!
Quote:
Originally Posted by juniordnz View Post

The only thing I can think of is that the card is reaching 1.312V (because you're getting clk74) but the software isn't showing, which I think is unlikely to happen.

I personally think that there is a voltage limit on this card. This thought is getting strengthened by the fact that 1468 MHz is the last stable frequency, whether at 1200 mV or at 1312 mV. I can't even OC a single boost step further with 1312 mV set.
post #2490 of 6472
Quote:
Originally Posted by eightcore View Post

I personally think that there is a voltage limit on this card. This thought is getting strengthened by the fact that 1468 MHz is the last stable frequency, whether at 1200 mV or at 1312 mV. I can't even OC a single boost step further with 1312 mV set.

Yeah, that was my first thought too, and the one that's possible. But how the heck could it be boosting to clk74 then? If your cap was really 1.212 it would reach clk69 and stop.

Dude, that's some weird s%$# you got going on there. mellowsmiley.gif
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