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MSI GTX 980 Ti Lightning Owners Club - Page 92

post #911 of 1097
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Taking it off will make it much easier to inspect.
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post #912 of 1097
Hey guys still new here and new to OCing

Playing with my lightning with Firestrike Extreme and Afterburner I got to:
+110 Core
+70 Mem

on a custom fan curve that kept the gpu at around 55C at the hottest

Any higher on either number was a driver crash during the first test.

Am I missing something? I thought it should go higher on at least the memory clock. I've heard people say they got to 8.1Ghz and I'm at 7.2ish

Just asking. Nice to meet you all.
post #913 of 1097
Why does GPU-Z say I got 2003 MHz memory, when MSI Afterburner says I got 4001 MHz? People talk about 7 GHz memory and 8 GHz memory. What's going on? XD
post #914 of 1097
Quote:
Originally Posted by Sphere07 View Post

Why does GPU-Z say I got 2003 MHz memory, when MSI Afterburner says I got 4001 MHz? People talk about 7 GHz memory and 8 GHz memory. What's going on? XD


2003*4=8009mhz
or
4001*2=8004mhz
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post #915 of 1097
Managed to fix the issue by accident. OCd the memory first up to about +510 then started bumping the core back up and got it to +110 again. Much better results. For some reason it didn't like core then memory.
post #916 of 1097
@truehighroller1
The trip point of 68c, what does that do when it's reached?
post #917 of 1097
Did anybody tested, what is the lowest Aux Voltage offset below -100mV before the card will crash?
Of course you need use ArtMonkey to go below -100mV (limited in Afterburner GUI).
I was able to find the Aux-Adress, but not sure how low I can go. I´ve already tried -131mV, and could not figure out any negative influence.
I mean, this voltage should be useful for something, shouldn´t it?!. Is there any understandable explanation for this behavior?

Regards.
post #918 of 1097
I implemented a software based failsafe that loads with Windows, that will instantly shut off the computer if the GPU goes too hot. This is useful if the pump dies while I'm not there at the computer. When I power the machine back on later, I will see the physical flow indicator not spinning on the loop outside the case.
post #919 of 1097
Quote:
Originally Posted by Sphere07 View Post

Why does GPU-Z say I got 2003 MHz memory, when MSI Afterburner says I got 4001 MHz? People talk about 7 GHz memory and 8 GHz memory. What's going on? XD
http://www.geeks3d.com/20100613/tutorial-gpu-tools-and-gpu-memory-clock-real-and-effective-speeds-demystified/
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post #920 of 1097
Quote:
Originally Posted by Sphere07 View Post

@truehighroller1
The trip point of 68c, what does that do when it's reached?

I believe it starts throttling to an extent, perhaps to where you can't even really see it if your BIOS is setup to only give certain clocks rather then multiple clocks which would enable it to switch to the lower clocks. I think it starts throttling it power wise to the chip set perhaps. I would have to work with an engineer that has directly helped do the schematics for these things to know more or start dissembling mine myself which I don't have time to do.

I wish I had more information but unfortunately I don't. I can only guess based on my electrical testing experience.
Quote:
Originally Posted by stbdudu View Post

Did anybody tested, what is the lowest Aux Voltage offset below -100mV before the card will crash?
Of course you need use ArtMonkey to go below -100mV (limited in Afterburner GUI).
I was able to find the Aux-Adress, but not sure how low I can go. I´ve already tried -131mV, and could not figure out any negative influence.
I mean, this voltage should be useful for something, shouldn´t it?!. Is there any understandable explanation for this behavior?

Regards.

I had wrote down at one point my sweet spots for my 1630ish / 2051 clocked run but lost it. I might even have a comment in here some where with the info in it. If I remember correctly, I was sitting at around .919 mV " I think ". I remember also that it went lower but I was unstable any lower for my given clocks at the time.

It relates to from what I can see behavior wise, the " total power draw " I believe. You're pulling more power so you have to start dropping power some how some where. Tell me if I am wrong here people as again this is based on what I think to be happening by observation.

Maybe it has to do with sign waves and we're slowing them down a little to get more in line with the clocks.. I don't know.
Edited by truehighroller1 - 2/25/16 at 8:22am
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