Methodical M
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My GPU is running on 42C idle, no fans spinning, everything is on default, no OC. Should I be worried and what would be the best fan profile/curve for this card?
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Bobmitch
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Re: GTX 1080 FTW Fan profile/curve
Tuesday, April 11, 2017 3:12 PM
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I ran a fan curve on my 1080 SC2 that kept it very cool. Baseline, I ran fans at 40% and idle was around 26-28C. I increased fans to 50% at 50C, 65% at 60C and 75% at 75C. NEVER saw temps at full load over 58C. Give that a try...see how it helps out. If you have the FTW and NOT the FTW2, you have two options...either EVGA Precision or MSI Afterburner... With my original SC, I used Afterburner, because both fans ran off one controller. With the SC2, I used Precision, because I had asynchronous fans and only Precision would control them.
post edited by bobmitch - Tuesday, April 11, 2017 3:15 PM
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bob16314
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Re: GTX 1080 FTW Fan profile/curve
Tuesday, April 11, 2017 4:10 PM
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No worries at all..If you are not aware of it (as some have not been before), a GTX 1080 FTW features a Double BIOS..The Double BIOS switch is located near the 8-pin PCIe power connectors..With the BIOS switch in the Primary/Master position (the default position), the fans will not run until the GPU temperature reaches 60C and higher idle temperature may be seen, this is normal..In the Secondary/Slave position, the fans will run in low rpm mode below 60C and also the Power Target will be increased slightly for overclocking and lower idle temperature may be seen..To change the BIOS, turn off your PC, move the switch, start your PC again. You can override the fans operation using EVGA Precision or MSI Afterburner software and create a custom fan speed curve to your liking to balance temperature and noise, as stated above. The Maximum GPU Temperature for a GTX 1080 GPU chip is 94C (see Specs) as specified by NVIDIA.
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Methodical M
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Re: GTX 1080 FTW Fan profile/curve
Thursday, April 13, 2017 6:06 PM
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Cool GTX
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Re: GTX 1080 FTW Fan profile/curve
Thursday, April 13, 2017 6:58 PM
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Good explanation and very helpful post and Bob
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yangzj81999
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Re: GTX 1080 FTW Fan profile/curve
Friday, April 14, 2017 5:21 AM
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bobmitch
I ran a fan curve on my 1080 SC2 that kept it very cool. Baseline, I ran fans at 40% and idle was around 26-28C. I increased fans to 50% at 50C, 65% at 60C and 75% at 75C. NEVER saw temps at full load over 58C. Give that a try...see how it helps out. If you have the FTW and NOT the FTW2, you have two options...either EVGA Precision or MSI Afterburner...
With my original SC, I used Afterburner, because both fans ran off one controller. With the SC2, I used Precision, because I had asynchronous fans and only Precision would control them.
What about the default fan profile in the BIOS on your SC2? On my FTW2, the default fan profile is useless, doesn't spin the fan until nearly 70C, and fan speed is only around 30%, original FTW with BIOS update runs much better. I'm currently running a fan curve a bit conservative than yours, fan speed never exeeds 55% and max temp around 65C.
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The_Ninjak
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Re: GTX 1080 FTW Fan profile/curve
Friday, April 14, 2017 5:28 AM
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yangzj81999
bobmitch
I ran a fan curve on my 1080 SC2 that kept it very cool. Baseline, I ran fans at 40% and idle was around 26-28C. I increased fans to 50% at 50C, 65% at 60C and 75% at 75C. NEVER saw temps at full load over 58C. Give that a try...see how it helps out. If you have the FTW and NOT the FTW2, you have two options...either EVGA Precision or MSI Afterburner...
With my original SC, I used Afterburner, because both fans ran off one controller. With the SC2, I used Precision, because I had asynchronous fans and only Precision would control them.
What about the default fan profile in the BIOS on your SC2? On my FTW2, the default fan profile is useless, doesn't spin the fan until nearly 70C, and fan speed is only around 30%, original FTW with BIOS update runs much better. I'm currently running a fan curve a bit conservative than yours, fan speed never exeeds 55% and max temp around 65C.
70C?? That's higher than normal. The default profile, as on my former FTW2, should kick in at around 60C.
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yangzj81999
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Re: GTX 1080 FTW Fan profile/curve
Friday, April 14, 2017 5:54 AM
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The_Ninjak
yangzj81999
bobmitch
I ran a fan curve on my 1080 SC2 that kept it very cool. Baseline, I ran fans at 40% and idle was around 26-28C. I increased fans to 50% at 50C, 65% at 60C and 75% at 75C. NEVER saw temps at full load over 58C. Give that a try...see how it helps out. If you have the FTW and NOT the FTW2, you have two options...either EVGA Precision or MSI Afterburner...
With my original SC, I used Afterburner, because both fans ran off one controller. With the SC2, I used Precision, because I had asynchronous fans and only Precision would control them.
What about the default fan profile in the BIOS on your SC2? On my FTW2, the default fan profile is useless, doesn't spin the fan until nearly 70C, and fan speed is only around 30%, original FTW with BIOS update runs much better. I'm currently running a fan curve a bit conservative than yours, fan speed never exeeds 55% and max temp around 65C.
70C?? That's higher than normal. The default profile, as on my former FTW2, should kick in at around 60C.
Maybe haven't reached 70C, but definetely above 65C, I notice at first it twitches a bit, spins for a second then stop, makes some weird noise, maybe "warming up" a bit, during this period the temp goes up for a few more degrees, then it spins normally. With my custom fan profile, it doesn't do that "warming up" thing, just spins normally right from the start. What's your fan speed and stable temp under default fan profile when heavy gaming? Mine first goes up to 74 to 75C before the right fan kicks in, after both fan running for a while it comes down and stabilize around 70C. BTW, do you use MSI Afterburner, or do you always open precision XOC? Most of the time, I just use afterburner to monitor hardware. Don't know if that would cause some problems.
post edited by yangzj81999 - Friday, April 14, 2017 7:56 AM
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bob16314
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Re: GTX 1080 FTW Fan profile/curve
Friday, April 14, 2017 9:18 AM
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Cool GTX
Good explanation and very helpful post and Bob
Thanks, Cool..Wasn't exactly sure that's what the OP's worry was, but every now and then there's people posting that don't even realize their card has Double BIOS or 0dB fan/s and think there's a problem with the fans and temps..Not sure if any of that's even explained in the installation manual or somewhere on driver CD they give you in the box.
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Methodical M
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Re: GTX 1080 FTW Fan profile/curve
Friday, April 14, 2017 10:32 AM
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I know that I have dual BIOS switch but right now my card runs on primary with that new BIOS update for, I haven't done that for slave BIOS :)
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