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GIGABYTE GTX 9xx H2O/AIR BIOS Tweaking ?(ô?ô)?

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post #21 of 7850 (permalink) Old 03-08-2015, 09:14 PM - Thread Starter
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Quote:
Originally Posted by amd955be5670 View Post

So I have some results for you. Currently my best stable OC is 1.275V @ 1557mhz. I tried 1.3125V @ 1569.5mhz, and yep, it failed. So my conclusion will be, the VRM in Rev 1.1 or F50 is unable to supply more than 1.275V to the Core. Its set to 1.275V in the bios, so if the real world value is actually more than or less than that, I don't know. It could also be my limit is itself 1557mhz on this gpu, which doesn't make sense because adding 0.125volts to the core should atleast net 13mhz more out of the OC.

I wonder if any other Rev 1.1 user with F50 has applied 1.3125V in the bios and is getting more than 1575mhz out of their GPU.

This is a G1 GTX 970

I do have 1.0's, both with Samsung memory. Both mediocre ASIC I guess. Perhaps the VRMs are indeed different in 1.1 like you said.


I wanted to validate my results yesterday so I ran all the tests again tonight.
Here are the results showing my max stable overclock and how I am able to gain 10 Mhz by only using voltage even when I am supposedly already at max voltage :

Software Voltage reading = 1.275
BIOS +30 mV
MAX boost = 1570 1570 (Click to show)

Software Voltage reading = 1.275
BIOS +60 mV
MAX boost = 1580 (spiked to 1593 quickly) 1580 (Click to show)

( º¿⌐ ) Both of those runs are full pass runs in 3DMark 4K.
I was unable to get 1580 boost unless I raised the voltage from +30mV to +60mV, despite both configurations reporting 1.275v.

I also seem to be limited by my voltage regulators according to GPU-Z. I have heard of some hitting 1600 on air (not sure if true) but I can't complain about this overclock. I'm breaking every 3DMark and Catzilla record I had before using this BIOS.



I have to say I am quite happy with this V2 BETA BIOS so far.
You and others are welcome to give it a whirl at your own risk of course wink.gif.
I don't have 970's though to be clear. I am not sure what is needed to tweak for a 970.

For all:
This is current BIOS I am running on my 2 GIGABYTE GTX 980 G1 GAMING cards WATERCOOLED.
This is based on the F3 BIOS and this is the DP BIOS (DD upon request). Don't just max out the voltage and power sliders with this BIOS.
980TIF3DPH20V2.zip 136k .zip file

Looking for feedback even if you just take a cruise through MBE.
Thanks!
wave2.gif
Attached Files
File Type: zip 980TIF3DPH20V2.zip (136.4 KB, 38 views)

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
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post #22 of 7850 (permalink) Old 03-09-2015, 03:38 AM
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I have a request, can you note voltages on voltmeter against +30 & +60mv? This would mean to repeat your tests, but please if you can.

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post #23 of 7850 (permalink) Old 03-09-2015, 09:06 AM - Thread Starter
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Quote:
Originally Posted by amd955be5670 View Post

I have a request, can you note voltages on voltmeter against +30 & +60mv? This would mean to repeat your tests, but please if you can.

I just ordered one, I need to get one anyway.

Actually, I'm not sure I will even be able to get a reading. I have a full waterblock with backplate and not even sure where to take the reading. doh.gif

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
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post #24 of 7850 (permalink) Old 03-10-2015, 01:56 PM - Thread Starter
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I look forward to someone that can further analyze this BIOS.

Did I make any mistakes that might be limiting the performance?
thumb.gif

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
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post #25 of 7850 (permalink) Old 03-10-2015, 02:10 PM
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its called h2o, not h20.
its called h2o because there are two oxygen atoms covalently bonded to one hydrogen atom.
there aren't 20 hydrogen atoms. you can't watch, drive or fly it.
h2o not h20
h2o not h20
h2o not h20.
!

/rant

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post #26 of 7850 (permalink) Old 03-10-2015, 06:48 PM - Thread Starter
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Quote:
Originally Posted by beatfried View Post

its called h2o, not h20.
its called h2o because there are two oxygen atoms covalently bonded to one hydrogen atom.
there aren't 20 hydrogen atoms. you can't watch, drive or fly it.
h2o not h20
h2o not h20
h2o not h20.
!

/rant

I stand corrected...

Feelin' better now? heart.gif

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
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post #27 of 7850 (permalink) Old 03-11-2015, 07:10 PM - Thread Starter
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I am working on V3 of the BIOS. I was able to work out the perfcap (now GPU-Z reports NONE at full load) and the card actually runs cooler also biggrin.gif

1580ish boost no throttle smile.gif

I am testing away sonic.gif

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
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post #28 of 7850 (permalink) Old 03-11-2015, 07:26 PM
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You can try setting 1.45V in the BIOS and test 1600mhz thumb.gif

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post #29 of 7850 (permalink) Old 03-11-2015, 07:53 PM - Thread Starter
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Quote:
Originally Posted by amd955be5670 View Post

You can try setting 1.45V in the BIOS and test 1600mhz thumb.gif

Isn't that only an option for the classy's?

GIGABYTE GTX 9xx G1 GAMING BIOS Tweaking
  ̿̿ ̿̿ ̿̿ ̿̿̿'̿'\̵͇̿̿\з=༼ຈل͜ຈ༽=ε/̵͇̿̿/'̿'̿ ̿ ̿̿ ̿̿ ̿̿  
░▒▓│ FORKAY‼ «  » WΘΘT ‼ │▓▒░
Xeon E5-1680 V2 (IVY-E) Inside


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post #30 of 7850 (permalink) Old 03-11-2015, 09:00 PM
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NCP 81174 so you can not increase voltage even you change in MBT, it will not work, only way is hardmod

all bios posted is simple change power limit and disable boost, no more voltage here
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