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GIGABYTE GTX 9xx H2O/AIR BIOS Tweaking ┌(ô益ô)┐ - Page 370

post #3691 of 7450
Hi

What would be considered a minimum safe and stable core and memory overclock for a extreme waterforce? (apart from the factory OC).
I understand every cards silicon clocks differently, and benchmarking and temp monitoring is required to confirm stability.

I guess what I'm asking is where are you guy's confident and happy to start your OC testing from.
post #3692 of 7450
I think that is objective for everyone. But for me minimum would be 1500 on the core and 4000 for the memory. Just my $.02
     
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post #3693 of 7450
I disagree with vram.
8000mhz effective for vram is not a starting point. Many cards start acting up with only 200mhz on top of factory 7000mhz.
I have 980, not 980ti and I would start from 1450mhz and up (stock voltage), honestly I would not temper with voltage at all.
Vram start +200 in msi AB and check stability.
Max power always.
post #3694 of 7450
I had no choice really, it would have taken 3 weeks for the manufacturer to RMA my card due to the holidays. I had 3 choices:
1. send it back and hope i dont get something worse
2. stay at 1468 @ 1.218v
3. increase the voltage to 1.281 in the bios and be happy with 1506.5mhz
I had a special case though. Not everyone has issues straight out of the box. Just my dumb luck. /shrug
I just meant 4000 is my personal starting point +500mhz and work down.
     
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RAMRAMHard DriveHard Drive
Corsair Vengeance RGB 32GB DDR4-3200 Corsair Vengeance LPX Black 32GB DDR4-3200 Samsung 960 EVO 250GB M.2-NVMe SSD - Windows/Boot OCZ TRION 150 480GB 2.5" SSD - Games(RAID0) 
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post #3695 of 7450
Good evening Laithan.

Question.

Could/would you be able to make a 980Ti Classified bios that is just like yer lastest H2O G1 bios? I am running them SLI and the Classy down clocks to 1471 (1550 capable on it's own) while G1 chugs through 1550 easy (1595 capable on it's own and 1585 solid) getting over 40k graphics in FS running in the mid 40's. Funny thing is on stock bios an voltage they will both boost to 1430 with nothing added and the Classy has an ASIC of 77.5 while the G1 is 75.6. I have both bios set for 1506.5 boost and 4000 memory (they both handle 4300) and from all my testing the Classy doesn't need any voltage to run at 1550.

Thoughts?

SS
post #3696 of 7450
...
Edited by mahanddeem - 2/22/16 at 5:52pm
post #3697 of 7450
Quote:
Originally Posted by black06g85 View Post

flashed the last (op) bios friday night, so far so good. running 1591mhz and stable and not too overly warm
gtx980 g1

Vram brand, asic and rev?
Post also the parameters during actual gaming. Just "not too warm" and "seems" are hardly a contribution.
post #3698 of 7450
Quote:
Originally Posted by mahanddeem View Post

I disagree with vram.
8000mhz effective for vram is not a starting point. Many cards start acting up with only 200mhz on top of factory 7000mhz.
I have 980, not 980ti and I would start from 1450mhz and up (stock voltage), honestly I would not temper with voltage at all.
Vram start +200 in msi AB and check stability.
Max power always.

Quote:
Originally Posted by DeathAngel74 View Post

I had no choice really, it would have taken 3 weeks for the manufacturer to RMA my card due to the holidays. I had 3 choices:
1. send it back and hope i dont get something worse
2. stay at 1468 @ 1.218v
3. increase the voltage to 1.281 in the bios and be happy with 1506.5mhz
I had a special case though. Not everyone has issues straight out of the box. Just my dumb luck. /shrug
I just meant 4000 is my personal starting point +500mhz and work down.
Out of 11 Maxwell cards I've owned ONLY one would not make 8200 on the memory and it did 8100 all day everyday with zero issues.

I would call 8000 a base ..... now mind you I've never had nor would I ever have a "base" card. The worst core I've had was a solid 1475 max boosted clock, which honestly is respectable for anything 98.95% would use it. wink.gif

SS
post #3699 of 7450
Thread Starter 
Quote:
Originally Posted by ssiperko View Post

Good evening Laithan.

Question.

Could/would you be able to make a 980Ti Classified bios that is just like yer lastest H2O G1 bios? I am running them SLI and the Classy down clocks to 1471 (1550 capable on it's own) while G1 chugs through 1550 easy (1595 capable on it's own and 1585 solid) getting over 40k graphics in FS running in the mid 40's. Funny thing is on stock bios an voltage they will both boost to 1430 with nothing added and the Classy has an ASIC of 77.5 while the G1 is 75.6. I have both bios set for 1506.5 boost and 4000 memory (they both handle 4300) and from all my testing the Classy doesn't need any voltage to run at 1550.

Thoughts?

SS

Absolutely! I have an unlocked classy BIOS already. wink.gif I just updated it to RC2 specs. As always, max voltage and power % sliders wink.gif

980Ticlassyunlockedandmodded.zip 152k .zip file

I just don't know how the classy's voltage unlock works..is it unlocked all the time like Gigabyte cards or do you need an additional app that can address the programmable voltage controller?


Quote:
Originally Posted by ssiperko View Post


Out of 11 Maxwell cards I've owned ONLY one would not make 8200 on the memory and it did 8100 all day everyday with zero issues.

I would call 8000 a base ..... now mind you I've never had nor would I ever have a "base" card. The worst core I've had was a solid 1475 max boosted clock, which honestly is respectable for anything 98.95% would use it. wink.gif

SS

Same here.. I was unfortunately that guy with the "11 the GPU".

My understanding is that the results are actually pretty different between a 980 and a 980Ti as far as "everyone" or "most" being able to hit 8000Mhz.

** With 970/980's, most people would have better success overclocking RAM (to 8000) with SAMSUNG memory. I was one of those who could not unfortunately (7800 max) and I had Samsung on both my 980's. Samsung memory was used on the 1st run 970/980 G1's. Later came 970/980's with Hynix memory and those with Hynix memory were usually singing the blues (unable to run @ 8000). There was a lot of buzz about this, people wanted Samsung cards.

** This changed with 980Ti... not because of the GPU (I don't think) but because the memory manufacturers are able to produce better/more stable memory. The memory contract was won by Hynix so all of the 1st run 980Ti G1 cards (Gigabyte anyway) came with Hynix memory this time. I have not heard of even one person that could not overclock Hynix 980Ti memory to 8000 yet (I can personally push much higher / mine are Hynix 1st run on my 980Ti's). Later now we see Samsung being used again (total reverse of what happened with 970/980). smile.gif All the new extreme and waterforce cards now come with Samsung too.

upsidedwnsmiley.gif
post #3700 of 7450
Think I'll purchase power plug meter to keep a eye on the totally system wattage from the wall before I start overclocking.
I only have a Seasonic P 660w to play with, I don't want to max it out, but it should be able to handle a constant 90% (600w).
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