BabtridgeVonJoystick
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Hi
I have 2 ACX 2.0 SC 980's. They have an SLI bridge, but SLI is not currently enabled. On the desktop, one is sitting at some very slow speed which I would expect, but the active one is constantly at 1266 MHz, with an elevated temp to match (+50C). The fans don't kick in unless I convince them to with Precision X.
I have seen this issue affects people with 144Hz monitors, but that does not affect me. I have one 75Hz monitor and an Oculus rift, the latter of which is switched off so shouldn;t be affecting anything. Its refresh is 75Hz as well when its running. I tried dropping the main monitor to 60Hz, no change.
Should the card not be downclocking when in idle, and should the fans not throttle up around 50?
Thanks :)
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HeavyHemi
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Re: Should my 980 GTX ACX 2.0 always be stuck at 1266MHz?
Tuesday, March 10, 2015 1:45 AM
(permalink)
☄ Helpfulby BabtridgeVonJoystick Tuesday, March 10, 2015 9:17 AM
BabtridgeVonJoystick
Hi
I have 2 ACX 2.0 SC 980's. They have an SLI bridge, but SLI is not currently enabled. On the desktop, one is sitting at some very slow speed which I would expect, but the active one is constantly at 1266 MHz, with an elevated temp to match (+50C). The fans don't kick in unless I convince them to with Precision X.
I have seen this issue affects people with 144Hz monitors, but that does not affect me. I have one 75Hz monitor and an Oculus rift, the latter of which is switched off so shouldn;t be affecting anything. Its refresh is 75Hz as well when its running. I tried dropping the main monitor to 60Hz, no change.
Should the card not be downclocking when in idle, and should the fans not throttle up around 50?
Thanks :)
Should be. Make sure you have 'Power Management Mode' set to Adaptive in the Global setting tab.
EVGA X99 FTWK / i7 6850K @ 4.5ghz / RTX 3080Ti FTW Ultra / 32GB Corsair LPX 3600mhz / Samsung 850Pro 256GB / Be Quiet BN516 Straight Power 12-1000w 80 Plus Platinum / Window 10 Pro
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BabtridgeVonJoystick
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Re: Should my 980 GTX ACX 2.0 always be stuck at 1266MHz?
Tuesday, March 10, 2015 2:03 AM
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Hi there
Thanks, do you mean windows power profile or something else?
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HeavyHemi
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Re: Should my 980 GTX ACX 2.0 always be stuck at 1266MHz?
Tuesday, March 10, 2015 2:44 AM
(permalink)
☄ Helpfulby BabtridgeVonJoystick Tuesday, March 10, 2015 9:17 AM
BabtridgeVonJoystick
Hi there
Thanks, do you mean windows power profile or something else?
In the Nvidia control panel under 'Manage 3D Settings' : 
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EVGA X99 FTWK / i7 6850K @ 4.5ghz / RTX 3080Ti FTW Ultra / 32GB Corsair LPX 3600mhz / Samsung 850Pro 256GB / Be Quiet BN516 Straight Power 12-1000w 80 Plus Platinum / Window 10 Pro
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Sajin
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Re: Should my 980 GTX ACX 2.0 always be stuck at 1266MHz?
Tuesday, March 10, 2015 2:46 AM
(permalink)
☄ Helpfulby BabtridgeVonJoystick Tuesday, March 10, 2015 9:17 AM
BabtridgeVonJoystick
Hi
I have 2 ACX 2.0 SC 980's. They have an SLI bridge, but SLI is not currently enabled. On the desktop, one is sitting at some very slow speed which I would expect, but the active one is constantly at 1266 MHz, with an elevated temp to match (+50C). The fans don't kick in unless I convince them to with Precision X.
I have seen this issue affects people with 144Hz monitors, but that does not affect me. I have one 75Hz monitor and an Oculus rift, the latter of which is switched off so shouldn;t be affecting anything. Its refresh is 75Hz as well when its running. I tried dropping the main monitor to 60Hz, no change.
Should the card not be downclocking when in idle, and should the fans not throttle up around 50?
Thanks :)
The card should downclock at idle. The fans on the ACX cards do not kick on till around 60-65C. Here are the top causes of why a GPU would run at full clocks at idle... #1 You're running multiple monitors. Fix: Enable mutil display power saver using nvidia inspector.#2 Your machine has a virus. Fix: Scan computer using malwarebytes.#3 One or more programs running in the background are using your GPU. Fix: Perform a clean boot of windows.#4 Power management mode inside the nvidia control panel is set to prefer maximum performance. Fix: Set power management mode to adaptive then reboot your computer.#5 Running a resolution of 2560x1440 @ 144Hz. Fix: Change refresh rate to 120Hz.#6 K-Boost is enabled inside Precision X. Fix: Disable K-Boost.#7 Shadowplay is enabled inside geforce experience. Fix: Disable shadowplay inside geforce experience OR completely uninstall geforce experience from your machine (highly recommended)
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BabtridgeVonJoystick
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Re: Should my 980 GTX ACX 2.0 always be stuck at 1266MHz?
Tuesday, March 10, 2015 9:17 AM
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Superlative advice and support as usual chaps, thats what sets EVGA forums apart ;)
Yep, thats worked a charm. It was the power mode, set to max performance. I needed to change it then restart, and its happily doing its adaptive thing now. Sitting down at 135 MHz and 29 degrees!
Thanks! :) Rate up / helpful thingies given
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