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GTX 470 won't downclock at idle

post #1 of 14
Thread Starter 
When I'm using my system normally, my GTX 470 will downclock to 51 MHz. However, after I exit out of a game or another graphically intensive application, the card becomes "stuck" at the full core clock of 608 MHz and will not downclock even after an extended period of time. The only way to fix this is to do a full system reboot.

My 470 started as a 465 with 10 Memory chips. I flashed it to a 470 using a reference NVidia 470 BIOS. I've tested it extensively with Furmark and various games and it is stable.

I'm using the newest drivers (275.50 Beta). Previously, I was using 275.33 and it also would not downclock after exiting out of a game. I've checked the power management settings in NVidia control panel and everything is set to "adaptive."

I am only running 1 monitor.

Anyone know how to fix this?

Here is a GPU-Z screenshot:

Edited by 996gt2 - 7/27/11 at 10:38pm
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post #2 of 14
Downgrade to drivers that actually downclocked it to idle speeds
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post #3 of 14
Thread Starter 
Quote:
Originally Posted by IzninjaFTW View Post
Downgrade to drivers that actually downclocked it to idle speeds
Do you know which ones those might be?

I've used 275.33 and 275.50, both will downclock the card at idle UNTIL I start a graphically intensive application and then exit it...at which point the card becomes stuck at 608 core.
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post #4 of 14
are you running dual monitor cause if you are then it wont downclock and i dont think even if it runs at full speed, it wont hurt the card or really bring it more HEAT cause there is no usuage on teh gpu i wouldnt really worry about it!
post #5 of 14
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Quote:
Originally Posted by pmrballer123 View Post
are you running dual monitor cause if you are then it wont downclock and i dont think even if it runs at full speed, it wont hurt the card or really bring it more HEAT cause there is no usuage on teh gpu i wouldnt really worry about it!
Only running a single monitor over DVI.

When the card downclocks properly, idle temps are ~50C.

When it doesn't downclock and stays at 608, idle temps are ~70C
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post #6 of 14
How about 270.61?

Here is the link
http://www.nvidia.com/object/win7-wi...ql-driver.html

If those don't work here is a link to old drivers that are pre 277.53
http://www.nvidia.com/Download/Find.aspx?lang=en-us
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post #7 of 14
Quote:
Originally Posted by 996gt2 View Post
Only running a single monitor over DVI.

When the card downclocks properly, idle temps are ~50C.

When it doesn't downclock and stays at 608, idle temps are ~70C
Woah those idle temps even at the downclocked speeds are very high! You have airflow issues or messed up cards and just use teh drivers that work with the downclocking! All recent drivers havent done much to the 4xx performances! Also i run the beta bios and are perfectly fine check those out!
post #8 of 14
Thread Starter 
Quote:
Originally Posted by pmrballer123 View Post
Woah those idle temps even at the downclocked speeds are very high! You have airflow issues or messed up cards and just use teh drivers that work with the downclocking! All recent drivers havent done much to the 4xx performances! Also i run the beta bios and are perfectly fine check those out!
I thought 50C idle for a GTX 470 with the reference cooler was normal?

Anandtech got 46C idle/93C load when they tested the 470. Guru3d got 54C idle/94C load when they tested the 470.
http://www.anandtech.com/bench/Product/311
http://guru3d.com/article/geforce-gtx-470-480-review/13

I'm using a Lian Li PC-A05 with a 120mm side intake directed at the GPU. I usually get around 73-74C load in games. However, when I exit out of a game it stays around 70C idle because it won't downclock.
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post #9 of 14
weird i have that case and i use to run my main setup out of it and i ran better temps with a reference ASUS 470 at 75% fan and i also had a pny 465 flashed to 470 that had better temps weird but good luck with your prob.
post #10 of 14
Thread Starter 
Quote:
Originally Posted by pmrballer123 View Post
weird i have that case and i use to run my main setup out of it and i ran better temps with a reference ASUS 470 at 75% fan and i also had a pny 465 flashed to 470 that had better temps weird but good luck with your prob.
Oh, I think 75% fan explains the lower temps.

When my card is downclocked, it's usually running @ 30% fan speed. I have MSI Afterburner set to go to 100% fan speed once the GPU temp reaches 70C.

I'll try the earlier drivers and see if that helps
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