tommcg
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Purchased 1070 FTW Hybrid so it would run quieter, but the radiator fan seems fixed speed and noisy at idle. While the fan on the card itself throttles with load, the radiator fan appears to be fixed speed. Is this by design for the hybrid cards? If so, what is the point of the hybrid card? The advertising says fan speed is dynamic, but that does not seem to be the case with the radiator fan. I measured the voltage supplied to the radiator fan and it seems fixed at 6.9V no matter the load or the fan speed on the card.
Further, the minimum fan speed percentage reported by Precision XOC or Afterburner is 56% for the fan on the card itself. That is also noisy and seems really high for a minimum fan speed.
Is this false advertising on the FTW Hybrid card since radiator fan speed is not dynamic?
What is the point of the Hybrid card if it is not quieter operation than simple air-cooled card?
Even simple after-market GPU coolers vary their radiator fan speed off liquid temp.
Is the Hybrid just a marketing gimmick?
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Holdan
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/16 07:53:02
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tommcg
Purchased 1070 FTW Hybrid so it would run quieter, but the radiator fan seems fixed speed and noisy at idle. While the fan on the card itself throttles with load, the radiator fan appears to be fixed speed. Is this by design for the hybrid cards? If so, what is the point of the hybrid card? The advertising says fan speed is dynamic, but that does not seem to be the case with the radiator fan. I measured the voltage supplied to the radiator fan and it seems fixed at 6.9V no matter the load or the fan speed on the card.
Further, the minimum fan speed percentage reported by Precision XOC or Afterburner is 56% for the fan on the card itself. That is also noisy and seems really high for a minimum fan speed.
Is this false advertising on the FTW Hybrid card since radiator fan speed is not dynamic?
What is the point of the Hybrid card if it is not quieter operation than simple air-cooled card?
Even simple after-market GPU coolers vary their radiator fan speed off liquid temp.
Is the Hybrid just a marketing gimmick?
The radiator fan is not PWM, it runs at a fixed voltage at max speed. If you want to control the speed, you will have to connect it to your motherboard (if your motherboard allows fan control via voltage adjustment), repalce it with a PWM fan or buy a PWM spiltter and connect that to a fan header on your motherboard. However, the fan on the card is adjustable via Precision xoc/afterburner. Just adjust your fan curve to have it run at 50% or less, it only cools the VRMs so that should allow it to cool efficiently while staying quiet.
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tommcg
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/16 14:03:07
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The radiator fan runs at fixed speed, yes, which is not what is advertised. This link says FTW fans are variable speed based on GPU temp: www.evga.com/products/product.aspx?pn=400-HY-5288-B1 . Is the FTW add-on kit capable of variable radiator fan speed where the hybrid-from-the-factory is not? The problem with running hybrid radiator fan off motherboard header is that motherboard BIOS does not allow to vary a fan speed based on GPU temperature, only by CPU or motherboard temperatures. It would require a software-controlled fan header to vary based on GPU temperature. Ideally it would vary based on the liquid temperature in the radiator. Precision OC cannot lower the on-card hybrid fan below 56%. It would be nice to run it at 50% or less as you suggested, but it won't let me. Is there a newer 1070 FTW Hybrid BIOS that allows lower than 56% minimum fan speed? Thanks.
post edited by tommcg - 2017/01/16 14:07:22
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MDeckerM
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/16 16:11:04
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Hello,
I have confirmed the following information with our Product Management team,
"The Radiator fan is dynamic. It is based off of GPU temp, not load."
I apologize for any conflicting answers.
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Holdan
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/16 17:01:21
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tommcg
The radiator fan runs at fixed speed, yes, which is not what is advertised. This link says FTW fans are variable speed based on GPU temp:   www.evga.com/products/product.aspx?pn=400-HY-5288-B1 . Is the FTW add-on kit capable of variable radiator fan speed where the hybrid-from-the-factory is not?
The problem with running hybrid radiator fan off motherboard header is that motherboard BIOS does not allow to vary a fan speed based on GPU temperature, only by CPU or motherboard temperatures. It would require a software-controlled fan header to vary based on GPU temperature. Ideally it would vary based on the liquid temperature in the radiator.
Precision OC cannot lower the on-card hybrid fan below 56%. It would be nice to run it at 50% or less as you suggested, but it won't let me. Is there a newer 1070 FTW Hybrid BIOS that allows lower than 56% minimum fan speed?
Thanks.
Idk why you can't adjust it in Precision because I can. I have the exact same hybrid kit with no BIOS update, still running factory BIOS version before the thermal pad fiasco.
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tommcg
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/17 12:58:37
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Running Precision right now, unclick "Auto" on the slider, drag slider up and down and the LOWEST it will go is 56%. This is both with the stock 1070 FTW Hybrid BIOS and the 86.04.50.01.70 updated BIOS I downloaded.
What minimum fan speed can you set to in Precision? Do you have the from-the-factory hybrid, or did you add hybrid kit to existing 1070 FTW with its original non-hybrid BIOS?
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Sajin
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/17 13:04:52
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tommcg
Running Precision right now, unclick "Auto" on the slider, drag slider up and down and the LOWEST it will go is 56%. This is both with the stock 1070 FTW Hybrid BIOS and the 86.04.50.01.70 updated BIOS I downloaded.
That's interesting.
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Holdan
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 06:43:00
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tommcg
Running Precision right now, unclick "Auto" on the slider, drag slider up and down and the LOWEST it will go is 56%. This is both with the stock 1070 FTW Hybrid BIOS and the 86.04.50.01.70 updated BIOS I downloaded.
What minimum fan speed can you set to in Precision? Do you have the from-the-factory hybrid, or did you add hybrid kit to existing 1070 FTW with its original non-hybrid BIOS?
Yeah I installed my hybrid kit, I had the original acx card and never touched the BIOS as I was planning to order the hybrid kit, so I still have the 86.04.1E.00.70 BIOS.
Intel Core i7 6700K 4.6GHz Skylake @ 1.285V / Alphacool Eisbaer 240 AIO / ASUS Maximus VIII Gene / EVGA GeForce GTX 1070 FTW Hybrid / 16GB G-Skill Trident Z DDR4 3200Mhz / EVGA Supernova G2 750W / SSD Samsung 850 Evo 250GB / SSD 1TB Mushkin Reactor / Thermaltake Core V21
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tommcg
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 08:55:03
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The factory hybrid has a different model number so the non-hybrid FTW BIOS gives an error during BIOS update, won't take the FTW ACX 3.0 BIOS.
EVGA folks, is there any way to override the BIOS update procedure to put the FTW ACX 3.0 BIOS onto the FTW Hybrid card? Obviously it will "work" in a supported configuration because you can put a hybrid kit on a ACX 3.0 card and it still works with original ACX BIOS.
Thx.
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Sajin
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 10:57:55
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tommcg
The factory hybrid has a different model number so the non-hybrid FTW BIOS gives an error during BIOS update, won't take the FTW ACX 3.0 BIOS.
EVGA folks, is there any way to override the BIOS update procedure to put the FTW ACX 3.0 BIOS onto the FTW Hybrid card? Obviously it will "work" in a supported configuration because you can put a hybrid kit on a ACX 3.0 card and it still works with original ACX BIOS.
Thx.
You could try using nvflash.
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tommcg
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 12:43:43
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Thanks, where can I get the separate BIOS file that is not embedded in update.exe for FTW 1070 ACX 3.0 (the secondary BIOS)?
Thanks.
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Sajin
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 13:21:07
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tommcg
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 14:31:36
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Thanks, but that's not the latest BIOS with the Micron memory fix (I have Micron memory).
I don't see any 1070 secondary BIOS 86.04.50.01.70 or .72 on techpowerup other than the Hybrid-specific one I recently uploaded which has the 56% min fan speed.
Are the current nvflash-compatible BIOS files (separate from update.exe) posted anywhere in the EVGA universe?
Thx.
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Sajin
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Re: 1070 FTW Hybrid Radiator Fan Speed
2017/01/18 14:35:52
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tommcg
Are the current nvflash-compatible BIOS files (separate from update.exe) posted anywhere in the EVGA universe?
Not that I'm aware of.
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