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Extract and Flash GTX 970 and 980 Firmware - Zoson's H2O and AIR Custom BIOS - Page 24

post #231 of 6472
hi guys,

i have the gtx 970 amp extreme. i dont have a problem with the powerlimit, but i cant go higher than 1439, because of the stock voltage. Is there now a possibilty to increase the voltage. Im using MSI Afterburner?
post #232 of 6472
Quote:
Originally Posted by Xarlith View Post

If the PSU is 6+2pin then it is capable of providing 150W from 6pin plug (2 other pins are just GND). Otherwise if it is just a simple 6pin plug PSU might provide more than guaranteed 75W but does not have to.

Thanks a lot for the quick reply. So my PSU has only native 6+2 pin connectors (I bought it back in 2010 for a 3 way SLI rig). So I'll lower PCIe to standart 75W and raise the two 6 pin plugs to 150W. I should be fine then...
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Red Devil
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post #233 of 6472
Quote:
Originally Posted by jootn2kx View Post

First of all I have been following this thread from the beginning and noticed some interesting tweaks and people so I gave it a try also:

I'm having a Gigabyte gtx 970 G1, it does seem I dont get past core: 1520 mhz (boost) but memory clocks very well: 2075 mhz (GPU -Z Reading)

I have tried to raise the voltage and power limit with editing my bios and succesfully flashed, but no gain in overclocking...
In contrary my card is even more unstable when having more voltage.

I also set the power maximum from 112% to 130%, I didnt see much difference in overclocking when I did that. GPU Z was reading 130% of usage so it worked I guess
Also boosting powerlimits made the card more unstable in some settings

Now I am reading people who got their core to 1590 mhz what is crazy OC, there is no way I could get to this speeds so I guess i'm having a bad OC gpu sample

what about this skyn3t bios? can someone explain

Real boost for your card is much higher than 1520. It will be at least near 1600. Check MSI Afterburner hardware monitor -> GPU clocks under load or GPU-Z monitoring tab.

My GB G1 is overclocking better only in some tests. It looks like before changes in bios I could run tests between 1450 and 1570MHz. After changes every test is running at about 1580MHz. Higher voltage is not helping much and Gigabyte cards have higher limit than they need so you don't have to modify that.

There is nothing about skyn3t bios as there is no bios from him right now. All you can make yourself so I see no reason to wait.
Edited by Woomack - 10/24/14 at 3:18am
post #234 of 6472
Quote:
Originally Posted by Woomack View Post

Real boost for your card is much higher than 1520. It will be at least near 1600. Check MSI Afterburner hardware monitor -> GPU clocks under load or GPU-Z monitoring tab.

My GB G1 is overclocking better only in some tests. It looks like before changes in bios I could run tests between 1450 and 1570MHz. After changes every test is running at about 1580MHz. Higher voltage is not helping much and Gigabyte cards have higher limit than they need so you don't have to modify that.

There is nothing about skyn3t bios as there is no bios from him right now. All you can make yourself so I see no reason to wait.

Thanks for your quick reply! is there any benifit to disable boost? if yes, can you explain how?
post #235 of 6472
Quote:
Originally Posted by Xarlith 
If the PSU is 6+2pin then it is capable of providing 150W from 6pin plug (2 other pins are just GND). Otherwise if it is just a simple 6pin plug PSU might provide more than guaranteed 75W but does not have to.
Quote:
Originally Posted by hanson1979 View Post

Thanks a lot for the quick reply. So my PSU has only native 6+2 pin connectors (I bought it back in 2010 for a 3 way SLI rig). So I'll lower PCIe to standart 75W and raise the two 6 pin plugs to 150W. I should be fine then...

I've a similar question, my Seasonic 1000W Platinum (single rail @ 83a) should be able to draw more than 75w from the 6-pin (+2) connector right?.
post #236 of 6472
Quote:
Originally Posted by jootn2kx View Post

Thanks for your quick reply! is there any benifit to disable boost? if yes, can you explain how?

I see no special difference with or without boost. At least on Gigabyte G1 3D clock is all the time the same when card is under full load.
post #237 of 6472
Quote:
Originally Posted by leoxtxt View Post

Quote:
Originally Posted by Xarlith 
If the PSU is 6+2pin then it is capable of providing 150W from 6pin plug (2 other pins are just GND). Otherwise if it is just a simple 6pin plug PSU might provide more than guaranteed 75W but does not have to.
Quote:
Originally Posted by hanson1979 View Post

Thanks a lot for the quick reply. So my PSU has only native 6+2 pin connectors (I bought it back in 2010 for a 3 way SLI rig). So I'll lower PCIe to standart 75W and raise the two 6 pin plugs to 150W. I should be fine then...

I've a similar question, my Seasonic 1000W Platinum (single rail @ 83a) should be able to draw more than 75w from the 6-pin (+2) connector right?.

imma gonna repost what i put on the 980 thread . . .
Quote:
Originally Posted by looniam View Post

Quote:
Originally Posted by seithan View Post

Scroll two - three pages back and you will find my post.

Im using 1x6pin and 1x8pin. I asked the same question and ppl say im fine. The card seems to draw the maximum voltage but not sure about the amperage. Its true though that i should be limited by maximum power output, because 1x6pin+1x8pin deliver different wattage and surelly they dont have the same effeciency.

Im clocked to 1520/4001 on this setup. Sometime in the future ill get a decent new PSU. Hopefully ill be stable @ 1550 ><</div>

(using your quote but there are others asking the same)

there is NO difference in the power that can supplied between a 6 and 8 pin PCI-E connection. each have three 12v wires and @ 18awg (gauge) can supply up to 100 watts each for 300 watts max. what IS drawn from each connection is set in the card's BIOS:
http://www.overclock.net/t/1452223/kepler-bios-tweaker-v1-26-v1-27-added-tdp-unlock-gtx-780ti-780-titan-gtx770/0_50#post_21418844 Warning: Spoiler! (Click to show)
i have seen titans go over 500 watts @1.4 underwater - remove 75 watts pci-e slot and two 8 pins are suppling 425watts @ 212.5 each! some pci-slots can supply 100 watts so you're still talking running the cable connections ~34% out of spec!

there WAS a time when it was different. (cheaper) PSU manufacturers used two 12v wires to 6 pin and three to 8 pin but, that was a long long time ago - when the pci-e power specs first came out. that is the reason for the two sensor wires in an 8 pin connection, so the card "knows" there are three 12v wires in the connection.

there is no OCP on pci-e connections! just for the WHOLE rail in the PSU!* thumb.gif

*i am talking about a SINGLE RAIL PSUs! multi rail PSUs will trip!

edit:
i ought to run a disclaimer; that i am speaking of theoretical limits. variables such as length of cables, crimping of connections and overall quality of PSU plays the largest factor before things go BOOM or roasting of marshmallows.
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post #238 of 6472
Quote:
Originally Posted by looniam View Post

imma gonna repost what i put on the 980 thread . . .

Great information, thank you.
post #239 of 6472
ASUS GTX970 STRIX
Custom bios

Grants me a voltage from the ASP1212 controller:

which is between 1.182v-1.186v on load in heaven4.0

GPUZ reports 1.212v, I can't figure out why it drops the actual voltage so low... If I move the sliders for both min and max with these 3 top voltages in the bios, my load voltage is even less....wth.gif

Anyone know a fix? My clock is stable and the power target stays around 90% in heaven.... so that's not the issue...

Use at your own risk...
testvolt1.zip 137k .zip file
Please confirm you have the right device ID before flashing. This is for the ASUS GTX970 Strix.
Edited by Cakewalk_S - 10/24/14 at 3:52am
post #240 of 6472
Quote:
Originally Posted by colabang View Post

hi guys,

i have the gtx 970 amp extreme. i dont have a problem with the powerlimit, but i cant go higher than 1439, because of the stock voltage. Is there now a possibilty to increase the voltage. Im using MSI Afterburner?

You are going to have to use the newest version on FireStorm and force it to the voltage you want (Will only allow up to 1.260v). You are still going to need a higher power limit.

http://www.gamersnexus.net/hwreviews/1666-zotac-gtx-980-extreme-benchmark-review-overclocking/Page-3?showall=#!/ccomment-page=1
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